1880 03 31.90 -99.99 -99.99 
1880 04 32.90  26.10  29.50 
1880 05 32.09  25.80  28.95 
1880 06 28.70  23.50  26.10 
1880 07 27.20  22.60  24.90 
1880 08 27.80  23.00  25.40 
1880 09 28.00  22.70  25.35 
1880 10 29.30  23.50  26.40 
1880 11 30.90  23.70  27.30 
1880 12 31.30  21.20  26.25 
1881 01 31.80  20.70  26.25 
1881 02 31.50  21.30  26.40 
1881 03 31.40  24.10  27.75 
1881 04 32.80  26.40  29.59 
1881 05 32.90  26.30  29.60 
1881 06 29.20  23.90  26.55 
1881 07 29.70  24.50  27.10 
1881 08 28.20  23.20  25.70 
1881 09 28.70  23.50  26.10 
1881 10 30.70  23.70  27.20 
1881 11 30.40  22.60  26.50 
1881 12 32.09  21.70  26.90 
1882 01 31.90  21.10  26.50 
1882 02 31.10  21.60  26.35 
1882 03 31.60  24.60  28.10 
1882 04 33.00  26.50  29.75 
1882 05 31.60  25.30  28.45 
1882 06 28.80  23.50  26.15 
1882 07 27.20  22.70  24.95 
1882 08 27.70  23.00  25.35 
1882 09 27.90  23.10  25.50 
1882 10 29.30  23.20  26.25 
1882 11 30.60  23.30  26.95 
1882 12 31.20  21.10  26.15 
1883 01 31.20  20.70  25.95 
1883 02 31.40  22.50  26.95 
1883 03 31.50  24.30  27.90 
1883 04 32.40  25.40  28.90 
1883 05 32.20  26.10  29.15 
1883 06 29.40  23.80  26.59 
1883 07 27.70  23.30  25.50 
1883 08 28.20  23.70  25.95 
1883 09 28.90  23.30  26.09 
1883 10 29.00  23.20  26.10 
1883 11 30.30  21.90  26.09 
1883 12 30.20  20.20  25.20 
1884 01 30.50  19.20  24.85 
1884 02 30.20  21.20  25.70 
1884 03 31.60  24.30  27.95 
1884 04 32.90  25.90  29.40 
1884 05 32.80  26.30  29.55 
1884 06 30.40  24.80  27.59 
1884 07 29.00  23.90  26.45 
1884 08 27.70  23.10  25.40 
1884 09 28.30  23.20  25.75 
1884 10 29.10  23.30  26.20 
1884 11 30.60  22.10  26.35 
1884 12 31.50  22.40  26.95 
1885 01 31.30  20.29  25.80 
1885 02 29.80  22.00  25.90 
1885 03 31.40  23.90  27.65 
1885 04 32.50  25.90  29.20 
1885 05 32.59  25.90  29.25 
1885 06 29.40  23.80  26.59 
1885 07 28.40  23.20  25.80 
1885 08 29.10  23.80  26.45 
1885 09 29.20  23.60  26.40 
1885 10 29.80  23.40  26.59 
1885 11 30.90  22.40  26.65 
1885 12 30.90  22.30  26.59 
1886 01 30.40  21.40  25.90 
1886 02 31.90  21.80  26.84 
1886 03 31.90  24.80  28.34 
1886 04 32.90  26.90  29.90 
1886 05 32.20  26.10  29.15 
1886 06 29.90  24.40  27.15 
1886 07 27.60  23.00  25.30 
1886 08 27.70  23.10  25.40 
1886 09 28.20  23.30  25.75 
1886 10 29.00  23.30  26.15 
1886 11 30.30  22.30  26.30 
1886 12 31.10  21.20  26.15 
1887 01 30.20  20.70  25.45 
1887 02 31.40  21.30  26.34 
1887 03 31.30  24.40  27.84 
1887 04 32.09  25.30  28.70 
1887 05 31.80  25.30  28.55 
1887 06 28.10  23.10  25.60 
1887 07 28.20  22.90  25.55 
1887 08 27.90  23.10  25.50 
1887 09 27.80  22.60  25.20 
1887 10 28.80  23.10  25.95 
1887 11 30.40  23.10  26.75 
1887 12 31.90  21.80  26.84 
1888 01 30.50  21.20  25.85 
1888 02 30.40  22.20  26.30 
1888 03 31.30  24.20  27.75 
1888 04 32.20  26.20  29.20 
1888 05 31.20  25.20  28.20 
1888 06 28.40  23.40  25.90 
1888 07 28.90  24.10  26.50 
1888 08 28.00  23.20  25.60 
1888 09 28.90  23.50  26.20 
1888 10 30.80  24.20  27.50 
1888 11 31.00  23.20  27.10 
1888 12 31.60  21.20  26.40 
1891 01 31.00  20.20  25.60 
1891 02 31.80  22.70  27.25 
1891 03 31.80  24.20  28.00 
1891 04 33.09  26.20  29.65 
1891 05 33.09  26.60  29.84 
1891 06 29.80  23.90  26.84 
1891 07 28.70  23.70  26.20 
1891 08 28.90  23.70  26.30 
1891 09 28.80  23.40  26.09 
1891 10 30.20  23.50  26.85 
1891 11 31.00  22.40  26.70 
1891 12 33.00  22.40  27.70 
1892 01 32.40  21.10  26.75 
1892 02 31.30  22.60  26.95 
1892 03 31.90  24.80  28.34 
1892 04 32.70  26.00  29.35 
1892 05 31.60  24.70  28.15 
1892 06 29.40  24.00  26.70 
1892 07 28.40  23.50  25.95 
1892 08 27.20  22.80  25.00 
1892 09 28.20  23.20  25.70 
1892 10 29.10  23.20  26.15 
1892 11 30.70  21.80  26.25 
1892 12 31.80  20.60  26.20 
1893 01 30.60  20.90  25.75 
1893 02 30.10  22.00  26.05 
1893 03 31.30  24.00  27.65 
1893 04 32.59  25.70  29.15 
1893 05 30.80  24.70  27.75 
1893 06 29.20  23.80  26.50 
1893 07 27.40  22.90  25.15 
1893 08 28.40  23.40  25.90 
1893 09 28.60  23.30  25.95 
1893 10 28.50  23.10  25.80 
1893 11 31.30  23.30  27.30 
1893 12 31.80  20.20  26.00 
1894 01 31.50  20.40  25.95 
1894 02 32.09  21.80  26.95 
1894 03 31.80  24.60  28.20 
1894 04 32.30  25.10  28.70 
1894 05 32.40  26.20  29.30 
1894 06 29.80  23.60  26.70 
1894 07 28.80  23.60  26.20 
1894 08 27.90  23.20  25.55 
1894 09 28.20  23.30  25.75 
1894 10 29.10  23.20  26.15 
1894 11 30.80  22.60  26.70 
1894 12 32.30  21.60  26.95 
1895 01 30.90  21.70  26.30 
1895 02 31.20  22.40  26.80 
1895 03 32.09  24.90  28.50 
1895 04 32.90  25.90  29.40 
1895 05 32.59  26.60  29.59 
1895 06 30.30  24.60  27.45 
1895 07 27.10  22.90  25.00 
1895 08 28.20  23.40  25.80 
1895 09 28.90  23.40  26.15 
1895 10 30.20  23.90  27.05 
1895 11 32.30  23.10  27.70 
1895 12 31.90  20.70  26.30 
1896 01 32.00  20.70  26.35 
1896 02 31.40  21.10  26.25 
1896 03 31.60  24.10  27.85 
1896 04 33.50  26.80  30.15 
1896 05 32.50  26.00  29.25 
1896 06 29.20  23.80  26.50 
1896 07 28.90  23.90  26.40 
1896 08 27.80  23.00  25.40 
1896 09 29.60  23.70  26.65 
1896 10 31.60  24.30  27.95 
1896 11 32.30  23.80  28.05 
1896 12 32.40  23.00  27.70 
1897 01 31.50  22.30  26.90 
1897 02 30.60  23.50  27.05 
1897 03 31.80  24.30  28.05 
1897 04 32.80  26.30  29.55 
1897 05 33.09  26.90  30.00 
1897 06 30.00  24.70  27.35 
1897 07 28.50  23.60  26.05 
1897 08 28.80  23.90  26.34 
1897 09 28.60  23.70  26.15 
1897 10 29.70  23.80  26.75 
1897 11 31.80  23.00  27.40 
1897 12 31.90  20.90  26.40 
1898 01 32.40  20.70  26.55 
1898 02 30.40  21.70  26.05 
1898 03 32.30  24.70  28.50 
1898 04 33.30  26.50  29.90 
1898 05 32.40  26.10  29.25 
1898 06 29.10  24.00  26.55 
1898 07 28.30  23.30  25.80 
1898 08 28.60  23.50  26.05 
1898 09 27.60  23.10  25.35 
1898 10 30.40  23.90  27.15 
1898 11 30.40  22.60  26.50 
1898 12 31.80  21.70  26.75 
1899 01 30.30  20.29  25.30 
1899 02 30.70  22.40  26.55 
1899 03 31.90  24.40  28.15 
1899 04 31.70  24.70  28.20 
1899 05 31.90  25.20  28.55 
1899 06 29.40  24.10  26.75 
1899 07 29.80  24.20  27.00 
1899 08 28.90  23.50  26.20 
1899 09 28.10  23.60  25.85 
1899 10 30.70  24.10  27.40 
1899 11 31.40  21.80  26.59 
1899 12 31.90  19.90  25.90 
1900 01 30.10  21.30  25.70 
1900 02 30.60  22.90  26.75 
1900 03 31.50  24.20  27.85 
1900 04 32.59  26.40  29.50 
1900 05 32.40  26.90  29.65 
1900 06 30.10  24.40  27.25 
1900 07 28.40  23.70  26.05 
1900 08 29.10  24.00  26.55 
1900 09 28.30  23.40  25.84 
1900 10 30.70  24.20  27.45 
1900 11 32.30  23.60  27.95 
1900 12 32.40  22.90  27.65 
1901 01 30.90  22.40  26.65 
1901 02 31.10  23.20  27.15 
1901 03 32.70  25.00  28.85 
1901 04 33.30  26.40  29.84 
1901 05 32.30  25.70  29.00 
1901 06 29.40  24.20  26.80 
1901 07 28.90  24.10  26.50 
1901 08 28.60  23.80  26.20 
1901 09 28.70  24.10  26.40 
1901 10 29.30  23.80  26.55 
1901 11 30.10  23.10  26.60 
1901 12 30.60  21.60  26.10 
1902 01 31.20  21.70  26.45 
1902 02 31.40  22.30  26.84 
1902 03 32.09  24.90  28.50 
1902 04 33.20  26.80  30.00 
1902 05 32.90  26.80  29.85 
1902 06 29.90  24.30  27.09 
1902 07 28.00  23.60  25.80 
1902 08 28.80  23.80  26.30 
1902 09 27.90  23.10  25.50 
1902 10 29.80  24.10  26.95 
1902 11 30.90  23.40  27.15 
1902 12 30.60  22.90  26.75 
1903 01 30.90  22.40  26.65 
1903 02 30.90  22.30  26.59 
1903 03 31.10  24.00  27.55 
1903 04 32.40  25.90  29.15 
1903 05 32.09  25.80  28.95 
1903 06 29.70  24.20  26.95 
1903 07 28.20  23.80  26.00 
1903 08 28.10  23.40  25.75 
1903 09 27.80  23.30  25.55 
1903 10 28.70  23.30  26.00 
1903 11 29.60  22.40  26.00 
1903 12 30.70  20.90  25.80 
1904 01 31.00  21.10  26.05 
1904 02 30.60  22.00  26.30 
1904 03 31.30  24.10  27.70 
1904 04 31.90  25.70  28.80 
1904 05 31.60  25.60  28.60 
1904 06 28.30  23.40  25.84 
1904 07 27.60  23.00  25.30 
1904 08 28.20  23.60  25.90 
1904 09 27.80  23.30  25.55 
1904 10 29.40  23.60  26.50 
1904 11 31.00  21.10  26.05 
1904 12 31.30  20.90  26.09 
1905 01 29.70  21.00  25.35 
1905 02 29.50  21.90  25.70 
1905 03 30.60  23.10  26.85 
1905 04 30.90  24.40  27.65 
1905 05 31.50  25.80  28.65 
1905 06 28.80  23.90  26.34 
1905 07 29.20  24.10  26.65 
1905 08 27.50  23.30  25.40 
1905 09 28.70  23.50  26.10 
1905 10 29.30  23.80  26.55 
1905 11 31.80  23.40  27.59 
1905 12 30.70  20.20  25.45 
1906 01 29.80  22.10  25.95 
1906 02 29.30  21.80  25.55 
1906 03 31.00  23.30  27.15 
1906 04 32.09  26.20  29.15 
1906 05 32.59  26.80  29.70 
1906 06 29.50  24.30  26.90 
1906 07 28.20  23.80  26.00 
1906 08 27.30  23.60  25.45 
1906 09 27.80  23.30  25.55 
1906 10 29.40  23.90  26.65 
1906 11 31.20  23.20  27.20 
1906 12 30.80  22.10  26.45 
1907 01 30.60  21.60  26.10 
1907 02 30.10  22.90  26.50 
1907 03 31.30  24.30  27.80 
1907 04 32.09  25.20  28.65 
1907 05 32.20  26.10  29.15 
1907 06 29.50  24.20  26.85 
1907 07 28.00  23.60  25.80 
1907 08 27.30  22.90  25.09 
1907 09 27.80  23.30  25.55 
1907 10 30.30  24.30  27.30 
1907 11 30.70  23.60  27.15 
1907 12 30.60  21.80  26.20 
1908 01 30.20  21.40  25.80 
1908 02 30.80  22.80  26.80 
1908 03 31.10  23.90  27.50 
1908 04 32.30  26.10  29.20 
1908 05 31.80  26.10  28.95 
1908 06 29.70  24.20  26.95 
1908 07 27.10  22.70  24.90 
1908 08 27.50  23.20  25.35 
1908 09 28.40  23.40  25.90 
1908 10 29.60  23.90  26.75 
1908 11 30.70  22.00  26.35 
1908 12 30.90  20.60  25.75 
1909 01 29.90  22.70  26.30 
1909 02 30.10  22.10  26.10 
1909 03 32.09  24.60  28.34 
1909 04 32.30  25.90  29.09 
1909 05 31.40  26.10  28.75 
1909 06 29.10  23.90  26.50 
1909 07 27.60  23.10  25.35 
1909 08 27.30  23.20  25.25 
1909 09 28.30  22.20  25.25 
1909 10 30.10  22.80  26.45 
1909 11 30.90  22.60  26.75 
1909 12 31.90  21.10  26.50 
1910 01 31.90  19.79  25.84 
1910 02 32.09  20.80  26.45 
1910 03 31.90  22.60  27.25 
1910 04 33.50  25.00  29.25 
1910 05 33.09  24.70  28.90 
1910 06 28.80  21.60  25.20 
1910 07 28.80  21.50  25.15 
1910 08 27.90  21.20  24.55 
1910 09 27.90  21.10  24.50 
1910 10 29.60  21.70  25.65 
1910 11 29.90  20.10  25.00 
1910 12 31.10  17.10  24.10 
1911 01 31.30  19.20  25.25 
1911 02 31.50  18.70  25.10 
1911 03 31.30  21.20  26.25 
1911 04 32.40  23.30  27.85 
1911 05 32.90  23.30  28.10 
1911 06 29.50  23.10  26.30 
1911 07 28.60  22.60  25.60 
1911 08 28.70  22.60  25.65 
1911 09 29.30  23.20  26.25 
1911 10 29.80  23.20  26.50 
1911 11 31.60  23.00  27.30 
1911 12 32.00  22.70  27.35 
1912 01 31.80  20.40  26.09 
1912 02 30.80  23.40  27.09 
1912 03 31.90  24.40  28.15 
1912 04 34.00  26.60  30.30 
1912 05 33.90  26.80  30.35 
1912 06 29.40  24.00  26.70 
1912 07 28.70  23.40  26.05 
1912 08 28.60  23.60  26.10 
1912 09 29.40  23.70  26.55 
1912 10 29.80  23.60  26.70 
1912 11 31.00  22.30  26.65 
1912 12 31.30  21.10  26.20 
1913 01 31.40  20.10  25.75 
1913 02 31.50  22.60  27.05 
1913 03 31.60  23.70  27.65 
1913 04 33.50  26.60  30.05 
1913 05 32.80  26.20  29.50 
1913 06 30.20  24.00  27.10 
1913 07 28.70  23.60  26.15 
1913 08 29.10  23.60  26.35 
1913 09 29.20  23.30  26.25 
1913 10 29.80  23.80  26.80 
1913 11 32.20  22.80  27.50 
1913 12 31.90  22.40  27.15 
1914 01 32.09  20.60  26.34 
1914 02 31.10  22.70  26.90 
1914 03 31.30  23.60  27.45 
1914 04 32.50  25.10  28.80 
1914 05 33.30  26.70  30.00 
1914 06 30.10  23.90  27.00 
1914 07 28.40  23.10  25.75 
1914 08 27.80  23.10  25.45 
1914 09 29.40  23.70  26.55 
1914 10 31.20  24.10  27.65 
1914 11 31.80  23.20  27.50 
1914 12 31.80  22.70  27.25 
1915 01 31.90  22.40  27.15 
1915 02 31.10  23.10  27.10 
1915 03 32.20  24.20  28.20 
1915 04 33.40  25.90  29.65 
1915 05 33.50  27.00  30.25 
1915 06 30.90  25.10  28.00 
1915 07 28.90  23.80  26.34 
1915 08 29.20  23.80  26.50 
1915 09 29.30  24.10  26.70 
1915 10 29.60  23.60  26.60 
1915 11 29.90  23.50  26.70 
1915 12 31.30  20.70  26.00 
1916 01 31.60  20.80  26.20 
1916 02 30.60  22.10  26.35 
1916 03 32.50  24.90  28.70 
1916 04 33.59  26.10  29.84 
1916 05 32.50  25.60  29.05 
1916 06 28.80  23.30  26.05 
1916 07 28.80  23.70  26.25 
1916 08 28.90  23.90  26.40 
1916 09 28.70  23.20  25.95 
1916 10 29.00  23.40  26.20 
1916 11 29.90  22.90  26.40 
1916 12 31.70  20.70  26.20 
1917 01 31.80  20.70  26.25 
1917 02 31.20  22.20  26.70 
1917 03 32.40  23.80  28.10 
1917 04 32.90  25.50  29.20 
1917 05 32.90  25.30  29.10 
1917 06 28.70  23.40  26.05 
1917 07 29.10  23.60  26.35 
1917 08 28.50  23.40  25.95 
1917 09 28.90  23.70  26.30 
1917 10 28.80  22.90  25.84 
1917 11 30.30  23.30  26.80 
1917 12 31.40  20.90  26.15 
1918 01 31.90  21.30  26.59 
1918 02 31.60  22.00  26.80 
1918 03 32.59  24.40  28.50 
1918 04 32.90  25.30  29.10 
1918 05 30.40  24.60  27.50 
1918 06 29.30  23.70  26.50 
1918 07 30.30  24.00  27.15 
1918 08 29.60  23.60  26.60 
1918 09 29.40  23.40  26.40 
1918 10 31.20  24.10  27.65 
1918 11 31.10  23.80  27.45 
1918 12 31.60  22.10  26.85 
1919 01 31.70  22.60  27.15 
1919 02 31.70  23.30  27.50 
1919 03 32.30  24.00  28.15 
1919 04 33.30  26.10  29.70 
1919 05 33.20  25.80  29.50 
1919 06 30.10  24.20  27.15 
1919 07 28.40  23.10  25.75 
1919 08 29.00  23.50  26.25 
1919 09 29.60  23.70  26.65 
1919 10 30.10  23.90  27.00 
1919 11 30.30  23.20  26.75 
1919 12 31.60  22.20  26.90 
1920 01 32.20  22.20  27.20 
1920 02 31.90  22.20  27.05 
1920 03 32.70  24.70  28.70 
1920 04 33.50  25.70  29.60 
1920 05 33.40  26.60  30.00 
1920 06 29.50  23.60  26.55 
1920 07 28.90  23.70  26.30 
1920 08 28.20  22.90  25.55 
1920 09 29.20  23.60  26.40 
1920 10 30.30  24.10  27.20 
1920 11 31.30  23.90  27.59 
1920 12 31.60  20.50  26.05 
1921 01 32.09  21.80  26.95 
1921 02 31.20  22.70  26.95 
1921 03 33.00  24.70  28.85 
1921 04 33.70  26.10  29.90 
1921 05 33.70  26.80  30.25 
1921 06 30.30  23.90  27.09 
1921 07 28.40  23.40  25.90 
1921 08 28.20  23.20  25.70 
1921 09 28.80  23.30  26.05 
1921 10 30.80  23.80  27.30 
1921 11 31.70  22.20  26.95 
1921 12 32.40  21.10  26.75 
1922 01 32.00  21.90  26.95 
1922 02 32.20  22.70  27.45 
1922 03 32.90  24.80  28.85 
1922 04 33.20  25.80  29.50 
1922 05 32.59  25.30  28.95 
1922 06 29.30  23.40  26.34 
1922 07 28.60  23.10  25.85 
1922 08 28.80  23.40  26.09 
1922 09 29.00  23.20  26.10 
1922 10 30.50  23.70  27.10 
1922 11 30.80  23.20  27.00 
1922 12 31.00  20.60  25.80 
1923 01 32.40  21.40  26.90 
1923 02 31.20  21.60  26.40 
1923 03 32.80  24.40  28.59 
1923 04 33.70  26.40  30.05 
1923 05 33.20  25.60  29.40 
1923 06 30.40  24.30  27.34 
1923 07 28.10  23.30  25.70 
1923 08 29.20  23.50  26.35 
1923 09 29.70  23.40  26.55 
1923 10 31.10  24.10  27.60 
1923 11 31.80  22.90  27.34 
1923 12 33.20  22.50  27.85 
1924 01 32.30  22.20  27.25 
1924 02 31.90  22.90  27.40 
1924 03 33.59  25.20  29.40 
1924 04 34.09  26.80  30.45 
1924 05 33.80  26.70  30.25 
1924 06 29.10  23.20  26.15 
1924 07 28.60  23.20  25.90 
1924 08 29.30  23.80  26.55 
1924 09 29.80  23.80  26.80 
1924 10 30.30  23.60  26.95 
1924 11 31.70  23.10  27.40 
1924 12 32.59  21.40  27.00 
1925 01 31.20  20.70  25.95 
1925 02 32.09  21.70  26.90 
1925 03 32.50  24.40  28.45 
1925 04 34.30  26.80  30.55 
1925 05 33.50  25.40  29.45 
1925 06 30.20  23.60  26.90 
1925 07 29.20  23.60  26.40 
1925 08 28.80  23.30  26.05 
1925 09 30.40  23.60  27.00 
1925 10 30.70  23.70  27.20 
1925 11 32.70  23.20  27.95 
1925 12 31.80  22.80  27.30 
1926 01 32.30  22.30  27.30 
1926 02 31.80  22.80  27.30 
1926 03 32.30  24.30  28.30 
1926 04 32.30  24.70  28.50 
1926 05 33.40  27.10  30.25 
1926 06 30.20  24.20  27.20 
1926 07 29.40  24.00  26.70 
1926 08 29.30  23.80  26.55 
1926 09 29.10  23.60  26.35 
1926 10 30.10  23.70  26.90 
1926 11 31.90  23.00  27.45 
1926 12 31.90  21.10  26.50 
1927 01 31.50  22.10  26.80 
1927 02 31.90  22.50  27.20 
1927 03 32.09  25.20  28.65 
1927 04 32.70  26.10  29.40 
1927 05 31.80  25.70  28.75 
1927 06 29.20  23.90  26.55 
1927 07 28.20  23.00  25.60 
1927 08 28.90  23.40  26.15 
1927 09 29.30  23.40  26.34 
1927 10 30.20  23.50  26.85 
1927 11 30.50  22.40  26.45 
1927 12 31.90  22.10  27.00 
1928 01 32.09  22.30  27.20 
1928 02 31.20  23.60  27.40 
1928 03 31.90  24.40  28.15 
1928 04 32.30  26.20  29.25 
1928 05 33.00  26.30  29.65 
1928 06 29.70  23.80  26.75 
1928 07 28.70  23.50  26.10 
1928 08 28.10  22.90  25.50 
1928 09 28.90  23.20  26.05 
1928 10 29.30  23.30  26.30 
1928 11 32.09  23.60  27.84 
1928 12 32.40  22.10  27.25 
1929 01 30.80  21.40  26.09 
1929 02 30.60  22.90  26.75 
1929 03 32.40  24.80  28.60 
1929 04 32.40  24.90  28.65 
1929 05 32.59  25.70  29.15 
1929 06 28.60  23.20  25.90 
1929 07 28.80  23.80  26.30 
1929 08 28.60  23.20  25.90 
1929 09 28.70  23.30  26.00 
1929 10 29.60  23.50  26.55 
1929 11 31.80  23.40  27.59 
1929 12 31.80  22.30  27.05 
1930 01 31.40  21.90  26.65 
1930 02 30.90  21.90  26.40 
1930 03 31.90  24.50  28.20 
1930 04 32.70  24.10  28.40 
1930 05 32.00  25.60  28.80 
1930 06 29.40  23.90  26.65 
1930 07 29.40  23.70  26.55 
1930 08 28.70  23.60  26.15 
1930 09 29.20  23.50  26.35 
1930 10 29.80  23.90  26.84 
1930 11 31.40  23.20  27.30 
1930 12 31.80  22.80  27.30 
1931 01 32.59  22.50  27.55 
1931 02 31.30  23.30  27.30 
1931 03 31.70  24.30  28.00 
1931 04 33.20  26.70  29.95 
1931 05 32.70  25.40  29.05 
1931 06 29.60  24.10  26.85 
1931 07 28.70  23.40  26.05 
1931 08 28.30  23.60  25.95 
1931 09 28.80  23.30  26.05 
1931 10 29.60  23.60  26.60 
1931 11 31.20  23.20  27.20 
1931 12 31.40  22.40  26.90 
1932 01 32.30  19.70  26.00 
1932 02 29.90  21.60  25.75 
1932 03 31.70  24.10  27.90 
1932 04 32.09  26.10  29.09 
1932 05 31.20  25.40  28.30 
1932 06 29.30  23.70  26.50 
1932 07 29.00  24.30  26.65 
1932 08 28.90  24.10  26.50 
1932 09 28.60  23.40  26.00 
1932 10 29.70  23.80  26.75 
1932 11 29.90  23.10  26.50 
1932 12 31.20  21.40  26.30 
1933 01 31.60  20.80  26.20 
1933 02 30.90  23.00  26.95 
1933 03 31.80  24.70  28.25 
1933 04 32.40  25.70  29.05 
1933 05 31.30  25.00  28.15 
1933 06 29.40  24.00  26.70 
1933 07 28.30  23.20  25.75 
1933 08 28.30  23.60  25.95 
1933 09 28.10  23.40  25.75 
1933 10 29.20  23.10  26.15 
1933 11 31.10  23.30  27.20 
1933 12 30.80  21.00  25.90 
1934 01 31.00  21.90  26.45 
1934 02 31.40  21.90  26.65 
1934 03 31.00  24.10  27.55 
1934 04 32.40  26.40  29.40 
1934 05 32.59  26.60  29.59 
1934 06 29.40  23.80  26.59 
1934 07 28.70  23.70  26.20 
1934 08 28.60  23.60  26.10 
1934 09 28.70  23.20  25.95 
1934 10 29.60  23.90  26.75 
1934 11 30.90  21.80  26.34 
1934 12 32.00  21.30  26.65 
1935 01 31.10  22.10  26.60 
1935 02 30.60  23.10  26.85 
1935 03 31.40  24.20  27.80 
1935 04 31.90  25.30  28.59 
1935 05 32.59  26.50  29.55 
1935 06 29.30  24.20  26.75 
1935 07 28.30  23.60  25.95 
1935 08 28.00  23.10  25.55 
1935 09 28.20  23.00  25.60 
1935 10 29.60  23.80  26.70 
1935 11 31.90  23.00  27.45 
1935 12 31.90  22.40  27.15 
1936 01 30.70  21.90  26.30 
1936 02 30.10  22.40  26.25 
1936 03 31.20  24.00  27.60 
1936 04 32.20  26.30  29.25 
1936 05 31.70  25.90  28.80 
1936 06 28.10  23.10  25.60 
1936 07 28.40  23.40  25.90 
1936 08 28.40  23.40  25.90 
1936 09 29.20  24.00  26.60 
1936 10 29.90  23.90  26.90 
1936 11 31.10  23.80  27.45 
1936 12 31.70  22.30  27.00 
1937 01 32.00  21.40  26.70 
1937 02 30.40  23.30  26.84 
1937 03 31.10  24.10  27.60 
1937 04 31.80  25.20  28.50 
1937 05 32.30  26.30  29.30 
1937 06 29.30  24.40  26.84 
1937 07 27.20  23.10  25.15 
1937 08 28.80  23.60  26.20 
1937 09 29.10  23.50  26.30 
1937 10 29.80  23.60  26.70 
1937 11 31.90  23.60  27.75 
1937 12 30.60  21.90  26.25 
1938 01 32.20  21.40  26.80 
1938 02 30.80  23.00  26.90 
1938 03 32.09  25.20  28.65 
1938 04 32.70  25.80  29.25 
1938 05 31.80  25.90  28.84 
1938 06 28.90  23.50  26.20 
1938 07 27.60  23.20  25.40 
1938 08 28.30  23.70  26.00 
1938 09 27.90  23.30  25.59 
1938 10 29.40  23.80  26.59 
1938 11 30.40  22.90  26.65 
1938 12 31.90  21.90  26.90 
1939 01 31.60  21.60  26.60 
1939 02 31.10  22.60  26.85 
1939 03 31.40  23.70  27.55 
1939 04 31.90  25.70  28.80 
1939 05 32.30  27.00  29.65 
1939 06 29.00  23.70  26.35 
1939 07 28.50  23.80  26.15 
1939 08 28.20  23.70  25.95 
1939 09 28.70  23.80  26.25 
1939 10 29.30  23.70  26.50 
1939 11 30.40  23.10  26.75 
1939 12 31.70  21.20  26.45 
1940 01 31.10  20.60  25.85 
1940 02 31.50  22.20  26.85 
1940 03 30.10  22.50  26.30 
1940 04 32.30  25.60  28.95 
1940 05 32.59  26.20  29.40 
1940 06 30.00  24.30  27.15 
1940 07 28.50  23.60  26.05 
1940 08 27.30  23.10  25.20 
1940 09 29.30  24.10  26.70 
1940 10 30.30  23.70  27.00 
1940 11 31.10  23.50  27.30 
1940 12 31.30  21.90  26.59 
1941 01 31.30  21.80  26.55 
1941 02 31.40  23.20  27.30 
1941 03 31.90  25.20  28.55 
1941 04 33.59  26.80  30.20 
1941 05 33.09  26.50  29.80 
1941 06 30.10  24.40  27.25 
1941 07 30.20  24.30  27.25 
1941 08 29.30  24.40  26.84 
1941 09 28.80  23.90  26.34 
1941 10 31.00  24.10  27.55 
1941 11 32.30  23.90  28.09 
1941 12 30.30  22.70  26.50 
1942 01 29.70  21.50  25.60 
1942 02 31.60  23.20  27.40 
1942 03 32.59  25.40  29.00 
1942 04 33.09  26.40  29.75 
1942 05 32.70  26.70  29.70 
1942 06 29.10  24.30  26.70 
1942 07 28.30  23.80  26.05 
1942 08 28.30  23.40  25.84 
1942 09 29.10  23.40  26.25 
1942 10 30.60  24.10  27.35 
1942 11 30.90  22.80  26.84 
1942 12 31.40  23.30  27.34 
1943 01 30.80  22.40  26.59 
1943 02 31.30  22.60  26.95 
1943 03 31.90  24.70  28.30 
1943 04 32.40  26.20  29.30 
1943 05 31.20  25.40  28.30 
1943 06 28.20  23.60  25.90 
1943 07 28.00  23.20  25.60 
1943 08 28.90  23.30  26.09 
1943 09 27.70  23.00  25.35 
1943 10 29.40  23.40  26.40 
1943 11 30.40  23.40  26.90 
1943 12 32.09  22.00  27.05 
1944 01 31.20  22.20  26.70 
1944 02 30.80  22.40  26.59 
1944 03 31.70  23.90  27.80 
1944 04 32.09  25.80  28.95 
1944 05 32.20  25.70  28.95 
1944 06 29.30  23.90  26.59 
1944 07 28.30  23.90  26.09 
1944 08 29.20  23.80  26.50 
1944 09 29.80  24.10  26.95 
1944 10 30.30  24.00  27.15 
1944 11 31.30  23.90  27.59 
1944 12 31.90  22.30  27.09 
1945 01 30.40  21.50  25.95 
1945 02 31.20  22.70  26.95 
1945 03 32.50  24.70  28.60 
1945 04 32.80  26.00  29.40 
1945 05 32.80  26.20  29.50 
1945 06 29.80  23.90  26.84 
1945 07 28.40  23.70  26.05 
1945 08 28.30  23.80  26.05 
1945 09 28.90  23.50  26.20 
1945 10 30.20  23.60  26.90 
1945 11 31.80  23.00  27.40 
1945 12 31.20  21.40  26.30 
1946 01 31.60  19.70  25.65 
1946 02 31.80  22.50  27.15 
1946 03 31.80  24.50  28.15 
1946 04 32.70  26.00  29.35 
1946 05 32.80  25.90  29.34 
1946 06 28.70  23.60  26.15 
1946 07 28.60  23.50  26.05 
1946 08 27.20  23.10  25.15 
1946 09 28.70  23.30  26.00 
1946 10 30.80  23.90  27.34 
1946 11 30.40  23.90  27.15 
1946 12 31.60  22.90  27.25 
1947 01 31.80  22.70  27.25 
1947 02 31.30  23.10  27.20 
1947 03 31.60  25.20  28.40 
1947 04 31.70  25.30  28.50 
1947 05 32.50  27.20  29.85 
1947 06 29.50  24.20  26.85 
1947 07 27.90  23.60  25.75 
1947 08 28.20  23.70  25.95 
1947 09 28.40  23.30  25.84 
1947 10 29.00  23.60  26.30 
1947 11 31.10  22.30  26.70 
1947 12 31.80  22.10  26.95 
1948 01 31.20  22.60  26.90 
1948 02 30.60  22.80  26.70 
1948 03 32.30  25.40  28.84 
1948 04 32.70  25.90  29.30 
1948 05 32.50  26.30  29.40 
1948 06 29.80  24.00  26.90 
1948 07 28.60  23.40  26.00 
1948 08 28.30  23.20  25.75 
1948 09 28.70  23.10  25.90 
1948 10 30.30  24.10  27.20 
1948 11 31.00  24.10  27.55 
1948 12 31.60  21.80  26.70 
1949 01 31.80  21.10  26.45 
1949 02 31.00  22.20  26.60 
1949 03 32.40  25.00  28.70 
1949 04 32.70  27.10  29.90 
1949 05 31.50  25.10  28.30 
1949 06 28.80  23.40  26.09 
1949 07 28.60  23.20  25.90 
1949 08 28.70  23.80  26.25 
1949 09 28.70  23.60  26.15 
1949 10 29.80  24.20  27.00 
1949 11 31.90  22.40  27.15 
1949 12 31.80  20.40  26.09 
1950 01 30.70  21.50  26.10 
1950 02 29.80  22.30  26.05 
1950 03 31.00  24.10  27.55 
1950 04 32.09  26.10  29.09 
1950 05 32.30  26.60  29.45 
1950 06 29.60  24.10  26.85 
1950 07 27.80  22.80  25.30 
1950 08 28.70  23.70  26.20 
1950 09 27.80  23.00  25.40 
1950 10 29.70  23.10  26.40 
1950 11 30.20  22.30  26.25 
1950 12 30.90  21.30  26.09 
1951 01 31.60  21.80  26.70 
1951 02 31.00  22.70  26.85 
1951 03 31.70  24.60  28.15 
1951 04 31.60  25.70  28.65 
1951 05 32.30  26.70  29.50 
1951 06 29.70  23.60  26.65 
1951 07 28.50  23.30  25.90 
1951 08 29.10  24.10  26.60 
1951 09 29.40  24.20  26.80 
1951 10 30.70  24.40  27.55 
1951 11 31.80  24.70  28.25 
1951 12 31.60  20.80  26.20 
1952 01 31.90  21.80  26.84 
1952 02 31.20  23.90  27.55 
1952 03 31.30  24.20  27.75 
1952 04 32.50  25.90  29.20 
1952 05 32.30  26.80  29.55 
1952 06 29.30  23.60  26.45 
1952 07 28.90  23.80  26.34 
1952 08 28.40  23.70  26.05 
1952 09 29.10  23.30  26.20 
1952 10 29.10  23.80  26.45 
1952 11 29.90  21.90  25.90 
1952 12 31.80  22.60  27.20 
1953 01 31.20  21.70  26.45 
1953 02 31.60  22.40  27.00 
1953 03 32.09  25.90  29.00 
1953 04 32.30  26.30  29.30 
1953 05 32.30  27.10  29.70 
1953 06 30.80  25.50  28.15 
1953 07 27.90  22.80  25.34 
1953 08 29.30  24.20  26.75 
1953 09 29.10  23.90  26.50 
1953 10 30.30  24.20  27.25 
1953 11 31.80  23.20  27.50 
1953 12 32.50  21.50  27.00 
1954 01 31.80  22.60  27.20 
1954 02 31.70  22.70  27.20 
1954 03 32.09  24.40  28.25 
1954 04 32.09  25.90  29.00 
1954 05 32.09  25.90  29.00 
1954 06 29.10  23.90  26.50 
1954 07 27.90  22.80  25.34 
1954 08 28.10  23.60  25.85 
1954 09 28.80  23.20  26.00 
1954 10 29.30  23.50  26.40 
1954 11 31.40  22.30  26.84 
1954 12 31.40  22.10  26.75 
1955 01 31.90  22.20  27.05 
1955 02 31.40  23.90  27.65 
1955 03 31.90  24.70  28.30 
1955 04 32.20  25.90  29.05 
1955 05 31.50  25.40  28.45 
1955 06 28.90  23.70  26.30 
1955 07 28.60  23.60  26.10 
1955 08 28.20  23.20  25.70 
1955 09 29.30  23.90  26.59 
1955 10 29.70  23.80  26.75 
1955 11 30.20  22.80  26.50 
1955 12 31.50  21.60  26.55 
1956 01 30.70  21.20  25.95 
1956 02 30.90  22.50  26.70 
1956 03 31.90  25.50  28.70 
1956 04 32.80  26.70  29.75 
1956 05 30.20  24.60  27.40 
1956 06 29.20  23.20  26.20 
1956 07 27.80  22.80  25.30 
1956 08 28.20  23.30  25.75 
1956 09 28.30  23.30  25.80 
1956 10 28.90  23.60  26.25 
1956 11 30.90  23.70  27.30 
1956 12 32.40  21.40  26.90 
1957 01 31.30  21.50  26.40 
1957 02 31.00  23.10  27.05 
1957 03 30.60  24.20  27.40 
1957 04 32.50  26.60  29.55 
1957 05 32.20  26.40  29.30 
1957 06 29.80  23.90  26.84 
1957 07 28.80  23.60  26.20 
1957 08 28.60  23.50  26.05 
1957 09 29.00  23.50  26.25 
1957 10 30.80  24.30  27.55 
1957 11 31.80  23.50  27.65 
1957 12 32.80  23.00  27.90 
1961 01 99.99 -99.99  27.30 
1961 02 99.99 -99.99  26.40 
1961 03 99.99 -99.99  28.50 
1961 04 99.99 -99.99  29.40 
1961 05 99.99 -99.99  28.10 
1961 06 99.99 -99.99  26.20 
1961 07 99.99 -99.99  24.90 
1961 08 99.99 -99.99  26.00 
1961 09 99.99 -99.99  25.80 
1961 10 99.99 -99.99  26.30 
1961 11 99.99 -99.99  27.60 
1961 12 99.99 -99.99  27.20 
1962 01 99.99 -99.99  26.20 
1962 02 99.99 -99.99  27.50 
1962 03 99.99 -99.99  28.00 
1962 04 99.99 -99.99  29.70 
1962 05 99.99 -99.99  28.20 
1962 06 99.99 -99.99  26.80 
1962 07 99.99 -99.99  26.80 
1962 08 99.99 -99.99  25.10 
1962 09 99.99 -99.99  26.70 
1962 10 99.99 -99.99  27.50 
1962 11 99.99 -99.99  28.90 
1962 12 99.99 -99.99  27.80 
1963 01 99.99 -99.99  28.20 
1963 02 99.99 -99.99  27.60 
1963 03 99.99 -99.99  28.60 
1963 04 99.99 -99.99  29.10 
1963 05 99.99 -99.99  29.50 
1963 06 99.99 -99.99  26.90 
1963 07 99.99 -99.99  26.70 
1963 08 99.99 -99.99  25.30 
1963 09 99.99 -99.99  27.10 
1963 10 99.99 -99.99  27.20 
1963 11 99.99 -99.99  28.90 
1963 12 99.99 -99.99  27.50 
1964 01 99.99 -99.99  26.20 
1964 02 99.99 -99.99  27.40 
1964 03 99.99 -99.99  28.60 
1964 04 99.99 -99.99  30.60 
1964 05 99.99 -99.99  30.40 
1964 06 99.99 -99.99  27.20 
1964 07 99.99 -99.99  26.20 
1964 08 99.99 -99.99  26.00 
1964 09 99.99 -99.99  26.20 
1964 10 99.99 -99.99  26.90 
1964 11 99.99 -99.99  26.70 
1964 12 99.99 -99.99  26.80 
1965 01 99.99 -99.99  26.90 
1965 02 99.99 -99.99  27.30 
1965 03 99.99 -99.99  28.00 
1965 04 99.99 -99.99  29.60 
1965 05 99.99 -99.99  29.10 
1965 06 99.99 -99.99  25.10 
1965 11 99.99 -99.99  27.50 
1965 12 99.99 -99.99  27.00 
1966 01 99.99 -99.99  26.40 
1966 02 99.99 -99.99  27.50 
1966 03 99.99 -99.99  28.30 
1966 04 99.99 -99.99  29.00 
1966 05 99.99 -99.99  29.00 
1966 06 99.99 -99.99  26.90 
1966 07 99.99 -99.99  26.00 
1966 08 99.99 -99.99  26.30 
1966 09 99.99 -99.99  26.50 
1966 10 99.99 -99.99  26.80 
1966 11 99.99 -99.99  26.70 
1966 12 99.99 -99.99  26.30 
1967 01 99.99 -99.99  27.00 
1967 02 99.99 -99.99  26.70 
1967 03 99.99 -99.99  27.60 
1967 04 99.99 -99.99  29.40 
1967 05 99.99 -99.99  29.50 
1967 06 99.99 -99.99  27.00 
1967 07 99.99 -99.99  25.50 
1967 08 99.99 -99.99  26.10 
1967 09 99.99 -99.99  26.10 
1967 10 99.99 -99.99  27.10 
1967 11 99.99 -99.99  27.70 
1967 12 99.99 -99.99  27.60 
1968 01 99.99 -99.99  26.30 
1968 02 99.99 -99.99  26.80 
1968 03 99.99 -99.99  28.00 
1968 04 99.99 -99.99  28.10 
1968 05 99.99 -99.99  28.50 
1968 06 99.99 -99.99  25.90 
1968 07 99.99 -99.99  24.30 
1968 08 99.99 -99.99  25.70 
1968 09 99.99 -99.99  25.30 
1968 10 99.99 -99.99  26.80 
1968 11 99.99 -99.99  27.60 
1969 01 99.99 -99.99  26.80 
1969 02 99.99 -99.99  27.10 
1969 03 99.99 -99.99  28.70 
1969 04 99.99 -99.99  29.70 
1969 05 99.99 -99.99  29.90 
1969 06 99.99 -99.99  27.10 
1969 08 99.99 -99.99  25.60 
1969 09 99.99 -99.99  25.00 
1969 10 99.99 -99.99  26.20 
1969 11 99.99 -99.99  26.30 
1969 12 99.99 -99.99  26.90 
1970 01 99.99 -99.99  26.50 
1970 02 99.99 -99.99  26.70 
1970 03 99.99 -99.99  26.80 
1970 04 99.99 -99.99  28.10 
1970 05 99.99 -99.99  27.80 
1970 06 99.99 -99.99  25.20 
1970 07 99.99 -99.99  24.80 
1970 08 99.99 -99.99  24.50 
1970 09 99.99 -99.99  24.40 
1970 10 99.99 -99.99  25.20 
1970 11 99.99 -99.99  25.50 
1971 01 99.99 -99.99  26.30 
1971 02 99.99 -99.99  26.70 
1971 03 99.99 -99.99  27.50 
1971 04 99.99 -99.99  29.10 
1971 05 99.99 -99.99  28.40 
1971 06 99.99 -99.99  25.50 
1971 07 99.99 -99.99  25.70 
1971 08 99.99 -99.99  25.70 
1971 09 99.99 -99.99  26.60 
1971 10 99.99 -99.99  26.20 
1971 11 99.99 -99.99  26.80 
1971 12 99.99 -99.99  26.70 
1972 01 99.99 -99.99  26.00 
1972 02 99.99 -99.99  25.70 
1972 03 99.99 -99.99  27.50 
1972 04 99.99 -99.99  29.20 
1972 05 99.99 -99.99  28.10 
1972 06 99.99 -99.99  27.60 
1972 07 99.99 -99.99  26.40 
1972 08 99.99 -99.99  26.20 
1972 09 99.99 -99.99  26.70 
1972 10 99.99 -99.99  27.50 
1972 11 99.99 -99.99  27.70 
1972 12 99.99 -99.99  27.60 
1973 01 99.99 -99.99  26.30 
1973 02 99.99 -99.99  28.00 
1973 03 99.99 -99.99  28.40 
1973 04 99.99 -99.99  30.20 
1973 05 99.99 -99.99  29.50 
1973 06 99.99 -99.99  26.90 
1973 07 99.99 -99.99  26.10 
1973 08 99.99 -99.99  25.30 
1973 09 99.99 -99.99  26.30 
1973 10 99.99 -99.99  27.10 
1973 11 99.99 -99.99  27.50 
1973 12 99.99 -99.99  27.00 
1974 01 99.99 -99.99  26.20 
1974 02 99.99 -99.99  27.30 
1974 03 99.99 -99.99  28.50 
1974 04 99.99 -99.99  29.40 
1974 05 99.99 -99.99  28.20 
1974 06 99.99 -99.99  26.60 
1974 07 99.99 -99.99  25.40 
1974 08 99.99 -99.99  25.60 
1974 11 99.99 -99.99  26.00 
1974 12 99.99 -99.99  26.70 
1975 01 99.99 -99.99  26.20 
1975 02 99.99 -99.99  27.30 
1975 03 99.99 -99.99  27.80 
1975 05 99.99 -99.99  28.30 
1975 06 99.99 -99.99  27.90 
1975 07 99.99 -99.99  24.90 
1976 02 99.99 -99.99  27.40 
1976 03 99.99 -99.99  28.60 
1976 04 99.99 -99.99  28.90 
1976 05 99.99 -99.99  28.90 
1976 06 99.99 -99.99  27.10 
1976 07 99.99 -99.99  25.60 
1976 08 99.99 -99.99  26.00 
1976 09 99.99 -99.99  26.50 
1976 10 99.99 -99.99  28.20 
1976 11 99.99 -99.99  27.80 
1976 12 99.99 -99.99  27.50 
1977 01 99.99 -99.99  26.50 
1977 02 99.99 -99.99  28.00 
1977 03 99.99 -99.99  29.30 
1977 04 99.99 -99.99  30.00 
1977 05 99.99 -99.99  29.40 
1977 06 99.99 -99.99  27.00 
1977 07 99.99 -99.99  26.10 
1977 08 99.99 -99.99  26.60 
1977 09 99.99 -99.99  27.10 
1977 10 99.99 -99.99  27.70 
1977 11 99.99 -99.99  28.00 
1977 12 99.99 -99.99  27.30 
1978 01 99.99 -99.99  27.20 
1978 02 99.99 -99.99  27.60 
1978 03 99.99 -99.99  28.30 
1978 04 99.99 -99.99  28.60 
1978 05 99.99 -99.99  28.30 
1978 06 99.99 -99.99  26.30 
1978 07 99.99 -99.99  25.80 
1978 08 99.99 -99.99  26.50 
1978 09 99.99 -99.99  26.20 
1978 10 99.99 -99.99  27.30 
1978 11 99.99 -99.99  28.00 
1978 12 99.99 -99.99  28.00 
1979 01 99.99 -99.99  28.00 
1979 02 99.99 -99.99  28.10 
1979 03 99.99 -99.99  28.40 
1979 04 99.99 -99.99  28.50 
1979 05 99.99 -99.99  29.10 
1979 06 99.99 -99.99  28.70 
1979 07 99.99 -99.99  26.30 
1979 08 99.99 -99.99  26.70 
1979 09 99.99 -99.99  27.00 
1979 10 99.99 -99.99  27.80 
1979 11 99.99 -99.99  27.80 
1979 12 99.99 -99.99  28.10 
1980 01 99.99 -99.99  27.40 
1980 02 99.99 -99.99  27.60 
1980 03 99.99 -99.99  29.00 
1980 04 99.99 -99.99  29.80 
1980 05 99.99 -99.99  29.60 
1980 06 99.99 -99.99  27.30 
1980 07 99.99 -99.99  26.80 
1980 08 99.99 -99.99  26.70 
1980 09 99.99 -99.99  25.80 
1980 10 99.99 -99.99  26.80 
1980 11 99.99 -99.99  26.90 
1980 12 99.99 -99.99  26.40 
1981 01 99.99 -99.99  26.10 
1981 02 99.99 -99.99  26.40 
1981 03 99.99 -99.99  27.50 
1981 04 99.99 -99.99  28.30 
1981 05 99.99 -99.99  29.00 
1981 06 99.99 -99.99  27.50 
1981 07 99.99 -99.99  26.10 
1981 08 99.99 -99.99  25.20 
2004 03 99.99 -99.99  29.40 
2004 05 99.99 -99.99  27.60 
2004 06 99.99 -99.99  26.50 
2004 07 99.99 -99.99  25.90 
2004 08 99.99 -99.99  25.90 
2004 09 99.99 -99.99  26.70 
2004 10 99.99 -99.99  27.50 
2004 11 99.99 -99.99  27.70 
2005 01 99.99 -99.99  26.90 
2005 02 99.99 -99.99  27.40 
2005 03 99.99 -99.99  28.40 
2005 04 99.99 -99.99  28.90 
2005 06 99.99 -99.99  26.90 
2005 07 99.99 -99.99  26.30 
2005 08 99.99 -99.99  26.30 
2005 09 99.99 -99.99  26.30 
2005 10 99.99 -99.99  27.30 
2005 11 99.99 -99.99  27.10 
2005 12 99.99 -99.99  27.10 
2006 01 99.99 -99.99  27.20 
2006 02 99.99 -99.99  27.50 
2006 03 99.99 -99.99  28.60 
2006 04 99.99 -99.99  29.40 
2006 05 99.99 -99.99  28.70 
2006 06 99.99 -99.99  26.80 
2006 07 99.99 -99.99  26.60 
2006 08 99.99 -99.99  26.30 
2006 09 99.99 -99.99  26.50 
2006 10 99.99 -99.99  27.10 
2006 11 99.99 -99.99  27.60 
2006 12 99.99 -99.99  26.70 
2007 01 99.99 -99.99  27.10 
2007 02 99.99 -99.99  27.50 
2007 03 99.99 -99.99  28.90 
2007 04 99.99 -99.99  30.10 
2007 05 99.99 -99.99  29.10 
2007 06 99.99 -99.99  26.80 
2007 07 99.99 -99.99  26.30 
2007 08 99.99 -99.99  25.80 
2007 09 99.99 -99.99  26.30 
2007 10 99.99 -99.99  26.90 
2007 11 99.99 -99.99  27.20 
2007 12 99.99 -99.99  27.50 
2008 01 99.99 -99.99  26.50 
2008 02 99.99 -99.99  27.00 
2008 03 99.99 -99.99  28.00 
2008 04 99.99 -99.99  29.00 
2008 05 99.99 -99.99  28.70 
2008 06 99.99 -99.99  26.70 
2008 07 99.99 -99.99  26.40 
2008 08 99.99 -99.99  26.00 
2008 09 99.99 -99.99  26.80 
2008 10 99.99 -99.99  27.90 
2008 11 99.99 -99.99  27.90 
2008 12 99.99 -99.99  27.70 
2009 01 99.99 -99.99  26.80 
2009 02 99.99 -99.99  27.80 
2009 03 99.99 -99.99  28.80 
2009 04 99.99 -99.99  30.10 
2009 05 99.99 -99.99  29.10 
2009 06 99.99 -99.99  27.10 
2009 07 99.99 -99.99  25.90 
2009 08 99.99 -99.99  26.70 
2009 09 99.99 -99.99  26.40 
2009 10 99.99 -99.99  27.40 
2009 11 99.99 -99.99  27.90 
2009 12 99.99 -99.99  27.80 
2010 01 99.99 -99.99  27.10 
2010 02 99.99 -99.99  27.90 
2010 03 99.99 -99.99  29.50 
2010 04 99.99 -99.99  29.90 
2010 05 99.99 -99.99  29.50 
2010 06 99.99 -99.99  27.10 
2010 07 99.99 -99.99  25.50 
2010 08 99.99 -99.99  25.70 
2010 09 99.99 -99.99  26.50 
2010 10 99.99 -99.99  26.80 
2010 11 99.99 -99.99  27.10 
2010 12 99.99 -99.99  26.70 
2011 01 99.99 -99.99  26.30 
2011 02 99.99 -99.99  26.70 
2011 03 99.99 -99.99  28.60 
2011 04 99.99 -99.99  28.80 
2011 05 99.99 -99.99  29.10 
2011 06 99.99 -99.99  26.60 
2011 07 99.99 -99.99  25.60 
2011 09 99.99 -99.99  26.20 
2011 10 99.99 -99.99  27.40 
2011 11 99.99 -99.99  27.80 
2011 12 99.99 -99.99  27.30 
2012 01 99.99 -99.99  26.70 
