1913 01 31.00  22.90  26.95 
1913 02 31.10  23.60  27.35 
1913 03 30.50  23.00  26.75 
1913 04 30.60  23.40  27.00 
1913 05 30.80  23.20  27.00 
1913 06 30.50  23.10  26.80 
1913 07 30.20  22.50  26.35 
1913 08 30.30  22.70  26.50 
1913 09 30.00  22.80  26.40 
1913 10 30.20  23.10  26.65 
1913 11 29.60  23.10  26.35 
1913 12 30.50  23.10  26.80 
1914 01 30.90  23.50  27.20 
1914 02 30.50  23.30  26.90 
1914 03 30.80  23.30  27.05 
1914 04 30.70  23.50  27.10 
1914 05 31.10  23.80  27.45 
1914 06 31.10  23.20  27.15 
1914 07 31.80  23.00  27.40 
1914 08 31.00  22.60  26.80 
1914 09 30.40  22.80  26.59 
1914 10 30.00  23.20  26.60 
1914 11 30.20  23.40  26.80 
1914 12 30.60  23.40  27.00 
1915 01 31.20  23.80  27.50 
1915 02 31.30  23.80  27.55 
1915 03 31.60  24.10  27.85 
1915 04 31.00  24.10  27.55 
1915 05 32.80  24.10  28.45 
1915 06 31.40  23.90  27.65 
1915 07 31.50  24.00  27.75 
1915 08 30.90  23.50  27.20 
1915 09 30.50  23.00  26.75 
1915 10 29.90  23.30  26.59 
1915 11 29.70  23.30  26.50 
1915 12 30.20  23.30  26.75 
1916 01 30.90  23.70  27.30 
1916 02 31.40  23.30  27.34 
1916 03 31.00  23.60  27.30 
1916 04 31.40  23.90  27.65 
1916 05 31.10  23.90  27.50 
1916 06 31.50  23.20  27.35 
1916 07 30.30  23.10  26.70 
1916 08 31.20  23.20  27.20 
1916 09 30.80  23.20  27.00 
1916 10 30.80  22.90  26.84 
1916 11 30.50  22.90  26.70 
1916 12 29.40  23.00  26.20 
1917 01 30.00  23.00  26.50 
1917 02 31.10  23.30  27.20 
1917 03 30.80  23.00  26.90 
1917 04 30.90  23.60  27.25 
1917 05 30.70  23.70  27.20 
1917 06 31.00  22.60  26.80 
1917 07 30.60  22.90  26.75 
1917 08 30.00  22.80  26.40 
1917 09 30.40  22.60  26.50 
1917 10 30.20  22.80  26.50 
1917 11 30.50  23.00  26.75 
1917 12 29.60  22.90  26.25 
1918 01 29.40  22.70  26.05 
1918 02 30.40  22.30  26.34 
1918 03 30.60  23.10  26.85 
1918 04 30.10  23.00  26.55 
1918 05 30.90  23.20  27.05 
1918 06 29.70  22.80  26.25 
1918 07 30.10  23.10  26.60 
1918 08 30.10  22.70  26.40 
1918 09 29.50  23.20  26.35 
1918 10 29.80  23.30  26.55 
1918 11 29.20  23.20  26.20 
1918 12 29.70  23.20  26.45 
1919 01 30.60  23.40  27.00 
1919 02 31.20  23.80  27.50 
1919 03 31.30  23.50  27.40 
1919 04 31.20  24.00  27.60 
1919 05 31.30  24.00  27.65 
1919 06 31.10  23.60  27.35 
1919 07 30.40  22.90  26.65 
1919 08 30.90  22.80  26.84 
1919 09 30.60  23.00  26.80 
1919 10 30.30  23.10  26.70 
1919 11 30.10  22.60  26.35 
1919 12 29.80  23.20  26.50 
1920 01 30.80  23.40  27.09 
1920 02 30.60  23.10  26.85 
1920 03 30.60  23.70  27.15 
1920 04 30.20  23.50  26.85 
1920 05 30.40  23.20  26.80 
1920 06 30.60  23.30  26.95 
1920 07 30.10  23.10  26.60 
1920 08 30.50  23.30  26.90 
1920 09 30.20  23.50  26.85 
1920 10 30.10  23.20  26.65 
1920 11 30.10  23.80  26.95 
1920 12 30.10  23.20  26.65 
1921 01 30.30  23.60  26.95 
1921 02 30.10  22.90  26.50 
1921 03 30.20  23.10  26.65 
1921 04 30.70  23.70  27.20 
1921 05 31.00  24.30  27.65 
1921 06 30.30  23.10  26.70 
1921 07 30.40  23.20  26.80 
1921 08 30.60  23.70  27.15 
1921 10 29.80  23.30  26.55 
1921 11 29.60  23.10  26.35 
1921 12 30.50  23.60  27.05 
1922 01 30.50  23.30  26.90 
1922 02 30.80  22.90  26.84 
1922 03 30.20  23.30  26.75 
1922 04 30.70  23.30  27.00 
1922 05 30.70  23.30  27.00 
1922 06 31.00  23.40  27.20 
1922 07 30.20  23.00  26.60 
1922 08 30.30  23.20  26.75 
1922 09 30.20  23.20  26.70 
1922 10 29.70  22.90  26.30 
1922 11 29.80  23.30  26.55 
1922 12 29.10  23.00  26.05 
1923 01 29.30  22.80  26.05 
1923 02 30.40  23.20  26.80 
1923 03 30.60  23.10  26.85 
1923 04 30.70  23.40  27.05 
1923 05 31.00  23.10  27.05 
1923 06 31.10  23.40  27.25 
1923 07 30.40  23.10  26.75 
1923 08 31.20  23.00  27.10 
1923 09 29.90  23.40  26.65 
1923 10 29.50  23.50  26.50 
1923 11 30.20  23.80  27.00 
1923 12 30.40  23.80  27.09 
1924 01 30.60  24.10  27.35 
1924 02 31.00  24.00  27.50 
1924 03 30.70  24.10  27.40 
1924 04 31.00  24.10  27.55 
1924 05 30.50  23.90  27.20 
1924 06 31.00  24.00  27.50 
1924 07 31.10  23.90  27.50 
1924 08 29.90  24.10  27.00 
1924 09 29.70  24.20  26.95 
1924 10 29.30  23.90  26.59 
1924 11 29.70  23.30  26.50 
1924 12 29.80  23.00  26.40 
1925 01 29.40  22.80  26.09 
1925 02 30.30  23.00  26.65 
1925 03 29.60  22.90  26.25 
1925 04 30.30  23.60  26.95 
1925 05 31.00  23.80  27.40 
1925 06 30.50  23.30  26.90 
1925 07 30.30  23.30  26.80 
1925 08 29.40  23.60  26.50 
1925 09 29.30  24.40  26.84 
1925 10 29.30  24.30  26.80 
1925 11 29.10  24.30  26.70 
1925 12 29.20  24.00  26.60 
1926 01 29.90  24.00  26.95 
1926 02 30.60  24.50  27.55 
1926 03 30.80  23.90  27.34 
1926 04 31.20  24.30  27.75 
1926 05 30.60  24.30  27.45 
1926 06 30.90  24.00  27.45 
1926 07 30.60  23.80  27.20 
1926 08 30.50  23.80  27.15 
1926 09 30.30  23.80  27.05 
1926 10 29.80  23.90  26.84 
1926 11 29.60  23.90  26.75 
1926 12 29.70  23.50  26.60 
1927 01 30.90  23.00  26.95 
1927 02 30.80  23.30  27.05 
1927 03 31.00  23.40  27.20 
1927 04 30.00  23.90  26.95 
1927 05 29.50  23.60  26.55 
1927 06 30.90  23.40  27.15 
1927 07 30.60  23.30  26.95 
1927 08 30.10  22.90  26.50 
1927 09 29.40  23.20  26.30 
1927 10 29.60  24.10  26.85 
1927 11 28.90  23.80  26.34 
1927 12 29.60  24.20  26.90 
1928 01 29.90  23.60  26.75 
1928 02 30.40  23.40  26.90 
1928 03 31.20  23.70  27.45 
1928 04 30.90  24.20  27.55 
1928 05 30.80  24.10  27.45 
1928 06 31.20  24.00  27.60 
1928 07 29.90  23.20  26.55 
1928 08 30.60  23.30  26.95 
1928 09 31.00  23.70  27.35 
1928 10 29.50  23.40  26.45 
1928 11 30.00  23.40  26.70 
1928 12 30.10  23.50  26.80 
1929 01 30.00  22.90  26.45 
1929 02 30.10  23.00  26.55 
1929 03 30.80  23.70  27.25 
1929 04 30.80  23.70  27.25 
1929 05 30.80  23.60  27.20 
1929 06 29.80  23.40  26.59 
1929 07 30.80  23.00  26.90 
1929 08 30.50  23.00  26.75 
1929 09 29.70  23.10  26.40 
1929 10 29.80  23.50  26.65 
1929 11 29.60  23.30  26.45 
1929 12 29.80  23.10  26.45 
1930 01 30.20  23.20  26.70 
1930 02 30.80  23.40  27.09 
1930 03 30.80  23.80  27.30 
1930 04 31.20  24.00  27.60 
1930 05 31.00  24.00  27.50 
1930 06 31.10  23.50  27.30 
1930 07 31.20  23.50  27.35 
1930 08 31.00  23.40  27.20 
1930 09 30.60  23.60  27.10 
1930 10 29.50  23.00  26.25 
1930 11 30.70  23.60  27.15 
1930 12 29.80  23.10  26.45 
1931 01 30.30  23.50  26.90 
1931 02 30.60  23.70  27.15 
1931 03 30.80  23.80  27.30 
1931 04 30.80  24.00  27.40 
1931 05 31.70  24.50  28.10 
1931 06 32.00  24.40  28.20 
1931 07 30.70  23.60  27.15 
1931 08 31.00  24.10  27.55 
1931 11 30.00  23.80  26.90 
1931 12 29.30  24.40  26.84 
1932 01 31.20  24.60  27.90 
1932 02 30.90  24.20  27.55 
1932 03 30.50  24.10  27.30 
1932 04 30.70  23.70  27.20 
1932 05 31.00  24.10  27.55 
1932 06 30.40  23.80  27.09 
1932 07 31.20  23.60  27.40 
1932 08 29.90  23.70  26.80 
1932 09 30.40  23.40  26.90 
1932 10 29.30  23.30  26.30 
1932 11 29.10  23.10  26.10 
1932 12 29.10  23.20  26.15 
1933 01 30.00  23.30  26.65 
1933 02 30.20  23.40  26.80 
1933 03 30.80  23.60  27.20 
1933 04 30.30  23.80  27.05 
1933 05 30.90  24.10  27.50 
1933 06 31.30  23.90  27.59 
1933 07 30.40  23.50  26.95 
1933 08 30.50  23.50  27.00 
1933 09 30.00  23.40  26.70 
1933 10 30.10  23.10  26.60 
1933 11 29.50  23.10  26.30 
1933 12 29.50  23.10  26.30 
1934 01 29.70  23.50  26.60 
1934 02 30.90  23.50  27.20 
1934 03 30.70  23.70  27.20 
1934 04 30.70  24.20  27.45 
1934 05 30.40  23.60  27.00 
1934 06 30.30  24.10  27.20 
1934 07 30.40  23.90  27.15 
1934 08 30.20  24.00  27.10 
1934 09 30.20  24.10  27.15 
1934 10 29.70  23.80  26.75 
1934 11 29.00  23.30  26.15 
1934 12 30.20  23.70  26.95 
1935 01 30.40  23.80  27.09 
1935 02 30.30  23.80  27.05 
1935 03 31.00  24.40  27.70 
1935 04 30.30  24.20  27.25 
1935 05 31.10  24.30  27.70 
1935 06 30.60  24.00  27.30 
1935 07 30.30  23.90  27.09 
1935 08 30.20  23.90  27.05 
1935 09 30.20  24.00  27.10 
1935 10 29.50  23.90  26.70 
1935 11 29.00  22.70  25.85 
1935 12 29.70  23.70  26.70 
1936 01 29.80  23.70  26.75 
1936 02 30.60  24.80  27.70 
1936 03 31.10  25.20  28.15 
1936 04 31.30  24.40  27.84 
1936 05 31.30  24.50  27.90 
1936 06 31.20  24.10  27.65 
1936 07 30.80  23.90  27.34 
1936 08 30.80  24.10  27.45 
1936 09 30.60  24.10  27.35 
1936 10 30.30  24.10  27.20 
1936 11 29.80  23.90  26.84 
1936 12 30.40  24.10  27.25 
1937 01 30.80  23.80  27.30 
1937 02 31.00  24.40  27.70 
1937 03 31.20  24.30  27.75 
1937 04 30.80  24.70  27.75 
1937 05 30.50  24.00  27.25 
1937 06 31.10  24.50  27.80 
1937 07 30.90  24.20  27.55 
1937 08 30.90  24.10  27.50 
1937 09 29.50  23.80  26.65 
1937 10 29.70  23.90  26.80 
1937 11 29.60  24.30  26.95 
1937 12 29.40  23.60  26.50 
1938 01 31.20  24.00  27.60 
1938 02 31.60  24.00  27.80 
1938 03 30.80  23.70  27.25 
1938 04 30.50  24.00  27.25 
1938 05 30.90  24.50  27.70 
1938 06 30.90  23.70  27.30 
1938 07 30.50  23.50  27.00 
1938 08 30.30  23.60  26.95 
1938 09 30.00  23.70  26.85 
1938 10 29.90  23.70  26.80 
1938 11 29.00  23.60  26.30 
1938 12 29.40  23.60  26.50 
1939 01 29.70  23.40  26.55 
1939 02 30.40  24.20  27.30 
1939 03 30.80  24.60  27.70 
1939 04 30.80  24.70  27.75 
1939 05 30.80  24.30  27.55 
1939 06 30.50  24.30  27.40 
1939 07 30.90  23.80  27.34 
1939 08 30.10  23.50  26.80 
1939 09 29.70  23.80  26.75 
1939 10 29.70  23.70  26.70 
1939 11 30.30  23.90  27.09 
1939 12 29.60  24.20  26.90 
1940 01 30.20  23.60  26.90 
1940 02 30.80  24.20  27.50 
1940 03 31.00  24.20  27.60 
1940 04 31.10  24.70  27.90 
1940 05 31.30  24.80  28.05 
1940 06 31.20  25.00  28.10 
1940 07 30.80  24.40  27.59 
1940 08 30.10  24.50  27.30 
1940 09 29.70  24.20  26.95 
1940 10 29.70  24.40  27.05 
1940 11 29.50  24.10  26.80 
1940 12 29.60  24.10  26.85 
1941 03 30.80 -99.99 -99.99 
1941 04 30.80 -99.99 -99.99 
1941 05 31.50 -99.99 -99.99 
1941 06 31.10 -99.99 -99.99 
1941 07 31.20 -99.99 -99.99 
1941 08 30.80 -99.99 -99.99 
1941 09 30.20 -99.99 -99.99 
1941 10 30.10 -99.99 -99.99 
1941 11 30.90 -99.99 -99.99 
1941 12 29.80 -99.99 -99.99 
1971 01 28.60  23.20  25.90 
1971 02 29.50  22.90  26.20 
1971 03 29.80  22.50  26.15 
1971 04 30.40  22.90  26.65 
1971 05 30.80  22.10  26.45 
1971 06 30.30  23.00  26.65 
1971 07 29.80  22.10  25.95 
1971 08 29.60  22.00  25.80 
1971 09 30.60  22.20  26.40 
1971 10 30.00  22.00  26.00 
1971 11 29.40  22.10  25.75 
1971 12 29.40  21.30  25.34 
1972 01 30.40  21.60  26.00 
1972 02 30.80  22.20  26.50 
1972 03 30.70  21.70  26.20 
1972 04 30.30  22.80  26.55 
1972 05 30.80  22.00  26.40 
1972 06 30.80  22.60  26.70 
1972 07 30.50  21.70  26.10 
1972 08 30.40  21.90  26.15 
1972 09 30.00  22.70  26.35 
1972 10 30.10  22.30  26.20 
1973 01 31.00  22.60  26.80 
1973 02 31.50  23.10  27.30 
1973 03 30.40  22.80  26.59 
1973 04 30.40  23.40  26.90 
1973 05 30.70  22.90  26.80 
1973 06 30.80  22.30  26.55 
1973 07 30.30  21.40  25.84 
1973 08 29.90  23.10  26.50 
1973 09 29.50  23.10  26.30 
1973 10 29.80  23.50  26.65 
1973 11 30.10  21.90  26.00 
1973 12 29.50  21.40  25.45 
1974 01 29.90  21.00  25.45 
1974 02 30.10  20.70  25.40 
1974 03 29.90  20.50  25.20 
1974 04 30.10  21.70  25.90 
1974 05 30.00  21.50  25.75 
1974 06 30.00  21.90  25.95 
1974 07 30.30  21.60  25.95 
1974 08 30.10  22.00  26.05 
1974 09 29.60  21.50  25.55 
1974 10 29.80  21.10  25.45 
1974 11 29.60  21.90  25.75 
1974 12 29.80  21.80  25.80 
1975 01 29.70  21.40  25.55 
1975 02 30.20  22.10  26.15 
1975 03 30.30  22.50  26.40 
1975 04 30.40  23.00  26.70 
1975 05 30.70  22.10  26.40 
1975 06 30.60  22.10  26.35 
1975 07 29.90  21.80  25.84 
1975 08 29.90  21.90  25.90 
1975 09 29.70  21.30  25.50 
1975 10 29.90  21.90  25.90 
1975 11 29.40  22.00  25.70 
1975 12 29.50  21.70  25.60 
1976 01 30.30  21.60  25.95 
1976 02 30.20  21.90  26.05 
1976 03 30.60  22.50  26.55 
1976 04 30.40  22.80  26.59 
1976 05 29.70  22.40  26.05 
1976 06 31.00  22.20  26.60 
1976 07 30.10  21.70  25.90 
1976 08 30.20  21.40  25.80 
1976 09 30.00  22.40  26.20 
1976 10 29.80  22.30  26.05 
1976 11 29.60  22.40  26.00 
1976 12 30.50  22.20  26.35 
1977 01 30.30  22.90  26.59 
1977 02 30.70  22.10  26.40 
1977 03 31.00  22.90  26.95 
1977 04 31.20  23.30  27.25 
1977 05 30.90  23.70  27.30 
1977 06 30.70  22.30  26.50 
1977 07 30.60  22.10  26.35 
1977 08 30.40  21.80  26.09 
1977 09 30.30  22.40  26.34 
1977 10 30.20  22.40  26.30 
1977 11 30.10  22.80  26.45 
1978 01 30.40  22.40  26.40 
1978 02 30.90  22.70  26.80 
1978 03 30.80  22.90  26.84 
1978 04 30.90  22.30  26.59 
1978 05 31.20  23.30  27.25 
1978 06 30.70  22.00  26.35 
1978 07 30.30  22.10  26.20 
1978 08 30.10  22.50  26.30 
1978 09 30.10  21.90  26.00 
1978 10 30.30  22.20  26.25 
1978 11 29.90  22.40  26.15 
1978 12 30.30  22.30  26.30 
1979 01 31.10  22.70  26.90 
1979 02 30.80  22.00  26.40 
1979 03 31.10  22.40  26.75 
1979 04 30.90  22.80  26.84 
1979 05 31.00  22.40  26.70 
1979 06 30.40  22.70  26.55 
1979 07 30.10  21.80  25.95 
1979 08 30.20  22.10  26.15 
1979 09 30.10  22.30  26.20 
1979 10 30.30  22.70  26.50 
1979 11 30.00  22.70  26.35 
1979 12 31.00  22.70  26.85 
1980 01 31.00  22.30  26.65 
1980 02 31.10  21.40  26.25 
1980 03 30.50  22.50  26.50 
1980 04 30.60  23.00  26.80 
1980 05 31.20  23.10  27.15 
1980 06 31.20  22.50  26.85 
1980 07 30.70  22.20  26.45 
1980 08 30.10  22.00  26.05 
1980 09 30.50  22.60  26.55 
1980 10 30.20  22.50  26.35 
1980 11 30.20  22.80  26.50 
1980 12 30.50  22.30  26.40 
1981 01 31.10  21.70  26.40 
1981 02 30.80  22.20  26.50 
1981 03 31.70  23.50  27.60 
1981 04 31.00  23.00  27.00 
1981 05 31.10  23.30  27.20 
1981 06 31.20  22.30  26.75 
1981 07 30.30  21.90  26.09 
1981 08 30.60  21.10  25.85 
1981 09 30.00  22.60  26.30 
1981 10 30.10  22.50  26.30 
1981 11 30.20  21.90  26.05 
1981 12 29.70  21.80  25.75 
1982 01 30.70  21.80  26.25 
1982 02 30.30  22.20  26.25 
1982 03 30.50  21.80  26.15 
1982 04 30.80  23.00  26.90 
1982 05 30.70  23.00  26.85 
1982 06 30.80  21.70  26.25 
1982 07 30.60  21.70  26.15 
1982 08 30.30  21.60  25.95 
1982 09 30.20  21.20  25.70 
1982 10 30.20  22.70  26.45 
1982 11 30.20  23.00  26.60 
1982 12 30.70  22.00  26.35 
1983 01 31.50  23.10  27.30 
1983 02 32.00  22.30  27.15 
1983 03 31.70  23.20  27.45 
1983 04 31.70  22.50  27.10 
1983 05 31.30  22.50  26.90 
1983 06 31.00  22.50  26.75 
1983 07 30.90  22.90  26.90 
1983 08 30.60  22.00  26.30 
1983 09 30.60  22.30  26.45 
1983 10 30.70  22.20  26.45 
1983 11 30.50  22.90  26.70 
1983 12 30.10  22.60  26.35 
1984 01 30.10  21.80  25.95 
1984 02 30.90  22.80  26.84 
1984 03 30.60  22.20  26.40 
1984 04 31.10  21.80  26.45 
1984 05 30.30  21.70  26.00 
1984 06 30.00  21.90  25.95 
1984 07 30.00  21.00  25.50 
1984 08 29.90  22.10  26.00 
1984 09 29.80  22.30  26.05 
1984 10 33.90  23.70  28.80 
1984 11 33.70  23.70  28.70 
1984 12 31.00  23.70  27.35 
1985 01 30.80  22.10  26.45 
1985 02 30.60  21.80  26.20 
1985 03 30.70  22.00  26.35 
1985 04 29.90  22.20  26.05 
1985 05 31.20  22.30  26.75 
1985 06 30.40  21.20  25.80 
1985 07 30.20  21.50  25.85 
1985 08 30.40  22.00  26.20 
1985 09 30.10  22.00  26.05 
1985 10 30.30  22.20  26.25 
1985 11 30.00  22.00  26.00 
1985 12 31.50  22.10  26.80 
1986 01 30.30  22.20  26.25 
1986 02 31.00  21.80  26.40 
1986 03 30.40  22.00  26.20 
1986 04 31.00  22.50  26.75 
1986 05 31.30  22.60  26.95 
1986 06 30.00  22.60  26.30 
1986 07 30.30  20.70  25.50 
1986 08 29.80  21.50  25.65 
1986 09 30.10  21.40  25.75 
1986 10 29.90  21.60  25.75 
1986 11 29.90  21.50  25.70 
1986 12 31.00  21.90  26.45 
1987 01 30.70  22.10  26.40 
1987 02 31.30  21.80  26.55 
1987 03 31.20  22.30  26.75 
1987 04 31.10  22.80  26.95 
1987 05 31.00  22.70  26.85 
1987 06 31.40  22.20  26.80 
1987 07 31.00  21.50  26.25 
1987 08 30.80  21.90  26.34 
1987 09 31.50  21.70  26.60 
1987 10 30.40  22.30  26.34 
1987 11 30.40  22.30  26.34 
1987 12 30.90  21.90  26.40 
1988 01 30.70  22.00  26.35 
1988 02 31.40  22.20  26.80 
1988 03 30.80  22.40  26.59 
1988 04 31.00  22.70  26.85 
1988 05 31.20  21.80  26.50 
1988 06 30.80  22.50  26.65 
1988 07 31.00  22.20  26.60 
1988 08 29.80  22.20  26.00 
1988 09 30.00  22.20  26.10 
1988 10 30.20  22.90  26.55 
1988 11 29.50  21.90  25.70 
1988 12 30.20  21.50  25.85 
1989 01 30.90  21.80  26.34 
1989 02 30.60  22.20  26.40 
1989 03 31.00  22.80  26.90 
1989 04 31.00  22.90  26.95 
1989 05 31.10  23.00  27.05 
1989 06 30.20  21.60  25.90 
1989 07 30.30  22.60  26.45 
1989 08 30.30  22.10  26.20 
1989 09 30.10  22.80  26.45 
1989 10 30.50  22.90  26.70 
1989 11 31.00  23.00  27.00 
1989 12 32.70  23.80  28.25 
1990 01 30.60  22.30  26.45 
1990 02 31.20  23.30  27.25 
1990 03 31.20  23.10  27.15 
1990 04 31.20  23.60  27.40 
1990 05 32.20  22.80  27.50 
1990 06 31.40  20.90  26.15 
1990 07 31.90  21.80  26.84 
