1878 10 29.14  24.46  26.80 
1878 11 27.92  22.07  24.99 
1878 12 27.03  20.53  23.78 
1879 02 26.89  21.92  24.40 
1879 03 27.11  22.87  24.99 
1879 04 29.35  25.42  27.38 
1879 05 29.40  26.63  28.01 
1879 06 29.94  27.34  28.64 
1879 07 30.34  26.35  28.34 
1879 08 30.81  26.71  28.75 
1879 10 26.58  25.27  25.92 
1879 12 25.58  23.33  24.45 
1880 02 26.07  23.55  24.81 
1880 03 29.10  24.61  26.85 
1880 04 29.58  25.05  27.31 
1880 05 28.10  25.15  26.62 
1880 06 26.18  24.23  25.20 
1880 07 25.35  22.87  24.11 
1881 03 27.71  20.45  24.08 
1881 04 29.33  20.88  25.10 
1881 05 29.26  18.77  24.01 
1883 11 27.94  25.12  26.53 
1883 12 25.37  23.15  24.26 
1884 01 24.40  20.96  22.68 
1884 05 31.19  24.52  27.85 
1884 07 31.18  27.51  29.34 
1884 08 29.85  25.30  27.57 
1884 09 29.96  26.57  28.26 
1884 10 28.70  25.71  27.20 
1884 11 27.01  24.81  25.91 
1885 01 25.85  21.78  23.81 
1885 02 26.46  22.89  24.67 
1885 03 28.55  22.76  25.65 
1892 08 31.52  24.48  28.00 
1892 09 29.63  24.23  26.93 
1892 11 27.00  21.47  24.23 
1894 10 28.50  23.15  25.82 
1894 11 26.33  19.95  23.14 
1894 12 27.21  19.41  23.31 
1895 01 27.65  19.06  23.35 
1895 02 27.44  18.12  22.78 
1895 03 30.27  21.97  26.12 
1895 04 30.55  22.93  26.74 
1895 05 32.59  24.55  28.57 
1895 06 33.00  25.13  29.06 
1895 07 32.16  25.03  28.59 
1897 06 32.37  22.87  27.62 
1897 09 31.97  22.27  27.12 
1897 10 30.39  20.97  25.68 
1911 06 31.04  23.79  27.41 
1911 07 32.34  23.29  27.82 
1911 08 33.79  23.50  28.64 
1911 09 31.09  23.69  27.39 
1911 10 30.10  23.77  26.93 
1911 11 28.41  22.60  25.50 
1911 12 27.06  20.25  23.65 
1912 01 27.01  19.24  23.12 
1912 02 26.47  17.36  21.91 
1912 03 30.30  21.62  25.96 
1912 04 34.11  23.99  29.05 
1912 05 33.50  24.55  29.03 
1912 06 32.36  24.48  28.42 
1912 07 31.70  23.81  27.75 
1912 08 32.22  23.49  27.85 
1912 09 31.26  23.34  27.30 
1912 10 29.71  22.78  26.24 
1912 11 26.14  19.31  22.72 
1912 12 27.41  20.65  24.03 
1913 01 27.83  19.84  23.83 
1913 02 29.20  20.73  24.96 
1913 03 30.68  21.52  26.10 
1913 04 29.40  21.00  25.20 
1913 05 29.61  22.22  25.91 
1913 06 30.50  23.28  26.89 
1913 07 30.59  22.85  26.72 
1913 08 28.24  22.09  25.16 
1913 09 30.42  23.27  26.84 
1913 10 29.19  22.15  25.67 
1913 11 26.92  20.34  23.63 
1913 12 27.21  19.66  23.43 
1914 01 23.88  17.45  20.66 
1914 02 27.94  18.83  23.38 
1914 03 27.76  18.99  23.37 
1914 04 28.17  22.04  25.10 
1914 05 31.65  23.93  27.79 
1914 06 30.74  23.40  27.07 
1914 07 31.92  23.52  27.72 
1916 08 31.33  23.33  27.33 
1921 01 99.99  17.26 -99.99 
1921 02 99.99  -6.58 -99.99 
1921 04 30.60  23.92  27.26 
1921 05 27.35  21.23  24.29 
1921 06 28.86  25.42  27.14 
1921 08 28.49  25.36  26.92 
1921 09 28.37  25.46  26.91 
1921 10 27.94  24.08  26.01 
1921 11 27.56  23.50  25.53 
1922 01 26.81  17.11  21.96 
1922 02 99.99  15.32 -99.99 
1922 03 29.76  22.09  25.92 
1922 04 32.09  23.58  27.83 
1922 05 30.84  24.47  27.65 
1922 06 30.46  24.32  27.39 
1922 07 30.27  23.45  26.86 
1922 08 30.34  24.07  27.20 
1922 09 29.98  23.43  26.70 
1922 10 28.62  23.38  26.00 
1922 11 27.74  22.73  25.23 
1922 12 27.26  20.72  23.99 
1923 01 26.59  19.68  23.13 
1923 02 27.50  20.98  24.24 
1923 03 29.74  22.36  26.05 
1923 04 30.91  23.70  27.30 
1923 05 31.88  24.53  28.20 
1923 06 31.03  24.74  27.88 
1923 07 31.43  23.82  27.62 
1923 08 31.32  23.85  27.58 
1923 09 29.93  23.90  26.91 
1923 10 28.60  22.93  25.76 
1923 11 26.78  20.61  23.69 
1924 05 33.33  24.56  28.94 
1924 06 32.91  23.95  28.43 
1924 07 32.48  23.16  27.82 
1924 08 32.50  23.64  28.07 
1924 09 31.95  23.08  27.51 
1924 10 29.30  22.57  25.93 
1924 11 27.68  20.82  24.25 
1924 12 27.78  20.45  24.11 
1925 07 31.81  23.71  27.75 
1925 08 29.67  22.50  26.08 
1925 09 29.33  23.47  26.40 
1925 10 29.54  23.70  26.62 
1925 12 25.03  20.23  22.63 
1926 01 24.67  18.28  21.47 
1926 02 26.07  19.58  22.82 
1926 04 30.11  24.55  27.33 
1926 05 30.11  24.85  27.48 
1926 06 30.69  25.20  27.94 
1926 07 31.02  24.08  27.55 
1926 08 29.93  24.26  27.09 
1926 09 29.48  25.10  27.29 
1926 10 28.74  24.21  26.47 
1926 11 25.37  20.54  22.95 
1926 12 27.80  21.25  24.52 
1927 01 24.79  19.31  22.05 
1927 02 28.48  21.29  24.88 
1927 03 28.95  21.97  25.46 
1927 04 30.82  22.70  26.76 
1927 05 32.25  25.79  29.02 
1927 06 31.30  25.95  28.62 
1927 07 29.12  24.64  26.88 
1927 08 29.88  25.48  27.68 
1927 09 29.28  24.21  26.74 
1927 10 27.86  23.16  25.51 
1927 11 26.26  22.36  24.31 
1927 12 26.51  21.24  23.87 
1928 01 24.37  19.53  21.95 
1928 02 27.34  21.01  24.17 
1928 03 29.07  21.43  25.25 
1928 04 29.78  23.68  26.73 
1928 05 29.37  24.24  26.80 
1928 06 33.12  26.22  29.66 
1928 07 30.03  24.95  27.49 
1928 08 30.09  25.32  27.70 
1928 09 29.69  25.62  27.65 
1928 10 28.87  24.91  26.89 
1928 11 26.51  22.56  24.53 
1928 12 25.14  20.78  22.96 
1929 01 26.07  21.20  23.63 
1929 02 28.12  21.99  25.05 
1929 03 29.89  23.42  26.65 
1929 04 31.87  24.96  28.41 
1929 05 31.05  25.43  28.24 
1929 06 29.32  24.48  26.90 
1929 07 30.72  23.63  27.17 
1929 08 29.13  23.37  26.25 
1929 09 29.19  24.05  26.62 
1929 10 28.13  23.47  25.80 
1929 11 27.59  22.69  25.14 
1929 12 25.20  19.45  22.33 
1931 01 23.95  18.87  21.41 
1931 02 25.99  19.71  22.85 
1931 03 25.79  18.90  22.34 
1931 04 27.19  21.22  24.20 
1931 05 29.18  24.08  26.63 
1931 06 29.01  24.69  26.85 
1931 07 30.18  25.17  27.67 
1931 08 30.03  24.69  27.36 
1931 09 28.73  24.47  26.59 
1931 10 28.08  23.01  25.54 
1931 11 26.68  20.72  23.70 
1931 12 27.41  21.16  24.28 
1934 02 25.72  19.24  22.48 
1934 03 26.77  19.07  22.92 
1934 04 30.00  21.94  25.97 
1934 05 29.61  23.86  26.73 
1934 06 30.48  24.02  27.25 
1934 07 30.47  23.74  27.10 
1934 08 30.48  23.75  27.11 
1934 09 30.40  24.00  27.20 
1934 10 28.35  23.60  25.97 
1934 11 27.31  21.40  24.35 
1934 12 25.78  20.44  23.11 
1935 01 25.41  19.21  22.31 
1935 02 25.28  18.76  22.02 
1935 03 29.55  22.11  25.83 
1935 04 30.82  23.31  27.06 
1935 05 32.88  24.94  28.91 
1935 06 32.18  24.53  28.35 
1935 07 29.95  23.66  26.80 
1935 08 29.85  23.83  26.84 
1935 09 30.61  23.99  27.30 
1936 01 26.86  21.45  24.15 
1936 02 28.10  21.31  24.70 
1936 03 28.84  21.59  25.21 
1936 04 29.63  23.48  26.55 
1936 05 28.84  23.88  26.36 
1936 06 29.33  24.79  27.06 
1936 07 29.71  24.63  27.16 
1936 08 30.32  25.00  27.66 
1936 09 29.96  23.66  26.81 
1937 06 30.47  23.75  27.11 
1937 07 30.35  23.23  26.79 
1937 08 30.11  23.94  27.02 
1937 09 29.39  24.15  26.77 
1937 10 28.23  23.14  25.68 
1938 01 26.43  19.12  22.78 
1938 02 26.41  19.61  23.01 
1938 03 30.60  21.72  26.16 
1938 04 30.22  22.83  26.52 
1938 05 31.62  24.10  27.86 
1938 07 30.88  23.18  27.03 
1938 08 29.84  22.77  26.30 
1938 09 29.37  24.00  26.68 
1938 10 27.67  22.98  25.32 
1938 11 26.62  22.14  24.38 
1938 12 25.25  19.60  22.42 
1939 01 27.23  20.18  23.70 
1939 02 29.89  20.87  25.38 
1939 03 30.12  20.93  25.52 
1939 04 30.36  22.32  26.34 
1939 05 31.53  23.43  27.48 
1939 06 31.88  23.95  27.91 
1939 07 31.73  23.16  27.44 
1939 08 30.58  23.58  27.08 
1939 09 29.59  23.42  26.50 
1939 10 29.32  23.60  26.46 
1939 11 25.24  20.15  22.69 
1939 12 26.06  19.48  22.77 
1940 01 25.23  18.86  22.04 
1940 02 24.87  16.92  20.89 
1940 03 28.45  21.14  24.79 
1940 04 31.56  22.33  26.94 
1940 05 30.42  21.57  25.99 
1940 06 31.70  24.32  28.01 
1940 07 31.30  24.01  27.65 
1940 08 31.32  23.78  27.55 
1940 09 29.36  23.74  26.55 
1940 10 28.48  21.70  25.09 
1941 01 25.97  18.46  22.22 
1941 02 27.04  18.37  22.71 
1941 03 28.63  19.95  24.29 
1941 04 31.64  23.04  27.34 
1941 05 29.97  21.71  25.84 
1941 06 34.14  24.28  29.21 
1941 07 31.82  23.78  27.80 
1941 08 30.93  23.67  27.30 
1941 09 31.02  23.54  27.28 
1941 10 30.30  23.41  26.85 
1941 11 27.48  20.87  24.17 
1941 12 27.75  21.60  24.67 
1942 01 25.12  18.87  21.99 
1942 02 27.89  19.71  23.80 
1942 03 29.63  20.71  25.16 
1942 04 31.98  22.45  27.21 
1942 05 33.16  24.15  28.66 
1942 06 32.79  24.71  28.75 
1942 07 31.51  23.53  27.52 
1942 08 30.79  23.18  26.98 
1942 09 30.08  23.44  26.76 
1942 10 29.26  21.82  25.54 
1942 11 27.38  21.02  24.20 
1942 12 27.28  20.29  23.79 
1943 01 27.22  19.83  23.52 
1943 02 26.32  17.54  21.93 
1943 03 29.27  20.67  24.97 
1943 04 30.19  22.13  26.16 
1943 05 32.32  23.42  27.87 
1943 06 32.24  23.07  27.65 
1943 07 31.63  23.01  27.32 
1943 08 31.19  23.34  27.26 
1943 09 31.18  23.80  27.49 
1943 10 28.20  22.88  25.54 
1943 11 26.12  20.29  23.20 
1943 12 25.97  19.20  22.59 
1944 01 26.04  17.91  21.97 
1944 02 30.69  19.90  25.29 
1944 03 31.77  21.87  26.82 
1944 04 33.78  22.83  28.30 
1944 05 31.87  23.44  27.65 
1944 06 31.34  23.99  27.66 
1944 07 30.92  23.37  27.14 
1944 08 31.51  23.48  27.49 
1944 09 30.81  23.51  27.16 
1944 10 27.65  21.38  24.51 
1944 11 28.03  19.77  23.90 
1944 12 25.33  17.52  21.42 
1945 01 26.67  18.23  22.45 
1945 02 30.49  20.29  25.39 
1945 03 99.99  -5.64 -99.99 
1945 04 99.99   3.61 -99.99 
1945 05 31.36  23.25  27.30 
1945 06 33.25  24.31  28.78 
1945 07 31.79  23.34  27.56 
1945 08 30.77  23.27  27.02 
1945 09 29.85 -99.99 -99.99 
1945 10 28.89 -99.99 -99.99 
1945 11 26.76 -99.99 -99.99 
1945 12 27.33  18.87  23.10 
1946 03 29.92  23.36  26.64 
1946 04 31.12  24.88  28.00 
1946 05 33.74  27.13  30.43 
1946 06 31.76  25.61  28.68 
1946 07 32.15  25.92  29.03 
1946 08 31.13  25.47  28.30 
1946 09 31.12  25.77  28.44 
1946 10 29.77  24.78  27.27 
1946 11 28.86  24.01  26.43 
1946 12 26.87  21.82  24.34 
1947 01 27.89  22.70  25.29 
1947 02 25.65  20.59  23.12 
1947 04 33.64  26.05  29.84 
1947 05 32.81  26.88  29.84 
1947 06 33.34  27.32  30.33 
1947 07 31.38  26.26  28.82 
1947 08 31.21  25.68  28.44 
1947 09 29.93  25.33  27.63 
1947 10 29.14  24.82  26.98 
1947 11 29.34  24.31  26.82 
1947 12 26.92  22.23  24.57 
1948 01 25.95  21.13  23.54 
1948 02 29.23  22.45  25.84 
1948 03 32.23  24.92  28.57 
1948 04 31.09  25.46  28.27 
1948 05 32.15  26.12  29.13 
1948 06 31.69  26.21  28.95 
1948 07 32.00  25.81  28.91 
1948 08 31.54  26.24  28.89 
1948 09 31.25  26.44  28.84 
1948 10 29.51  25.35  27.43 
1948 11 30.02  24.64  27.33 
1948 12 27.85  22.83  25.34 
1949 01 28.36  22.17  25.26 
1949 02 29.98  23.50  26.74 
1949 03 31.17  24.05  27.61 
1949 04 32.68  25.87  29.28 
1949 05 32.95  26.73  29.84 
1949 06 33.31  27.11  30.21 
1949 07 32.11  26.13  29.12 
1949 08 32.36  26.77  29.56 
1949 09 31.15  26.16  28.65 
1949 10 30.21  25.56  27.88 
1949 11 25.80  20.84  23.32 
1949 12 26.96  21.89  24.42 
1950 01 28.47  22.46  25.46 
1950 02 28.07  21.85  24.96 
1950 03 30.52  23.90  27.21 
1950 04 31.22  23.90  27.56 
1950 05 33.24  26.86  30.05 
1950 06 32.71  26.79  29.75 
1950 07 32.02  25.57  28.79 
1950 08 30.53  25.80  28.16 
1950 09 30.96  26.37  28.66 
1950 10 28.42  24.33  26.37 
1950 11 26.71  21.96  24.33 
1950 12 25.33  19.69  22.51 
1951 01 27.44  20.95  24.19 
1951 02 27.41  20.42  23.91 
1951 03 29.97  22.88  26.42 
1951 04 30.85  24.76  27.80 
1951 05 32.74  26.29  29.51 
1951 06 33.84  27.36  30.60 
1951 07 32.34  26.11  29.23 
1951 08 31.90  25.98  28.93 
1951 09 31.04  25.76  28.40 
1951 10 29.58  25.13  27.35 
1951 11 28.02  22.80  25.41 
1951 12 28.74  22.80  25.77 
1952 01 28.50  22.12  25.31 
1952 02 27.82  21.23  24.52 
1952 03 31.78  24.94  28.36 
1952 04 30.48  24.32  27.40 
1952 05 31.86  26.26  29.06 
1952 06 32.16  26.09  29.13 
1952 07 30.71  25.03  27.87 
1952 08 31.40  25.36  28.38 
1952 09 30.78  25.88  28.33 
1952 10 27.39  23.39  25.39 
1952 11 27.77  22.38  25.07 
1952 12 26.24  20.63  23.43 
1953 01 26.24  20.55  23.39 
1953 02 28.69  22.29  25.49 
1953 03 31.44  24.31  27.87 
1953 04 33.09  26.32  29.70 
1953 05 34.05  26.51  30.28 
1953 06 32.31  25.73  29.02 
1953 07 31.44  24.73  28.08 
1953 08 32.08  25.07  28.57 
1953 09 30.77  25.01  27.89 
1953 10 28.77  22.48  25.62 
1953 11 27.45  21.29  24.37 
1953 12 27.17  21.58  24.37 
1954 01 27.39  21.85  24.62 
1954 02 26.70  19.57  23.13 
1954 03 29.98  21.98  25.98 
1954 04 31.58  23.67  27.62 
1954 05 31.59  24.66  28.12 
1954 06 32.08  24.35  28.21 
1954 07 31.87  23.85  27.86 
1954 08 31.30  23.81  27.55 
1954 09 30.28  23.68  26.98 
1954 10 28.44  22.44  25.44 
1954 11 26.22  19.86  23.04 
1954 12 25.50  19.26  22.38 
1955 01 26.10  19.64  22.87 
1955 02 27.75  19.20  23.47 
1955 03 30.77  22.13  26.45 
1955 04 32.58  24.06  28.32 
1955 05 33.25  24.77  29.01 
1955 06 32.05  25.04  28.54 
1955 07 31.00  23.78  27.39 
1955 08 31.81  24.71  28.25 
1955 09 30.99  23.96  27.47 
1955 10 28.63  22.62  25.62 
1955 11 28.36  21.58  24.97 
1955 12 26.13  19.62  22.88 
1956 01 25.59  17.90  21.74 
1956 02 29.26  18.83  24.04 
1956 03 29.91  21.01  25.46 
1956 04 31.39  22.83  27.11 
1956 06 30.57  22.40  26.48 
1956 07 31.97  22.81  27.39 
1956 08 31.53  22.99  27.26 
1956 09 30.09  22.28  26.18 
1956 10 29.34  21.53  25.43 
1956 11 27.87  18.83  23.35 
1956 12 27.77  16.70  22.23 
1957 01 28.06  17.28  22.67 
1957 02 28.15  17.67  22.91 
1957 03 29.38  19.61  24.49 
1957 04 99.99  14.11 -99.99 
1957 05 33.25  23.80  28.52 
1957 06 32.66  23.05  27.85 
1957 07 32.55  23.07  27.81 
1957 08 31.42  22.59  27.00 
1957 09 30.11  21.78  25.94 
1957 10 29.05  20.61  24.83 
1957 11 29.26  19.73  24.49 
1957 12 25.35  16.89  21.12 
1958 01 23.87  15.40  19.63 
1958 02 26.04  15.91  20.97 
1958 03 29.52  20.03  24.77 
1958 04 31.80  21.78  26.79 
1958 05 31.54  20.11  25.82 
1958 06 32.48  23.03  27.75 
1958 07 31.65  21.85  26.75 
1958 08 31.85  22.34  27.09 
1958 09 31.48  21.74  26.61 
1958 10 29.98  20.59  25.28 
1958 11 29.63  20.36  24.99 
1958 12 26.31  17.34  21.82 
1959 01 25.96  16.78  21.37 
1959 02 29.97  19.83  24.90 
1959 03 29.26  18.48  23.87 
1959 04 30.44  19.95  25.19 
1959 05 32.25  21.37  26.81 
1959 06 32.96  22.04  27.50 
1959 07 31.51  20.65  26.08 
1959 08 31.20  20.33  25.76 
1959 09 31.55  20.88  26.21 
1959 10 31.05  20.79  25.92 
1959 11 27.58  17.77  22.67 
1959 12 25.38  14.90  20.14 
1960 01 26.96  16.15  21.55 
1960 02 26.61  15.26  20.93 
1960 03 28.44  15.38  21.91 
1960 04 30.92 -99.99 -99.99 
1960 05 32.43  20.93  26.68 
1960 06 31.74  21.23  26.48 
1960 07 31.45  20.29  25.87 
1960 08 32.00  20.39  26.20 
1960 10 30.85  19.69  25.27 
1960 11 28.50  17.09  22.79 
1960 12 26.15  14.46  20.30 
1961 01 25.53  14.16  19.84 
1961 02 27.92  15.06  21.49 
1961 03 31.85  18.35  25.10 
1961 04 32.96  19.19  26.07 
1961 05 35.09  20.32  27.70 
1961 06 37.55  19.73  28.64 
1961 07 32.18  18.98  25.58 
1961 08 31.49  18.92  25.20 
1961 09 32.86  19.10  25.98 
1961 10 31.19  17.65  24.42 
1961 11 28.95  16.71  22.83 
1961 12 28.37  14.03  21.20 
1962 01 27.53  13.26  20.39 
1962 02 30.18  13.88  22.03 
1962 03 32.34  14.60  23.47 
1962 04 30.42  20.82  25.62 
1962 05 31.54  20.35  25.94 
1962 06 32.49  20.49  26.49 
1962 07 32.75  26.45  29.60 
1962 08 31.90  26.74  29.32 
1962 09 31.31  26.36  28.83 
1962 10 30.60  26.43  28.51 
1962 11 27.39  22.25  24.82 
1962 12 26.50  21.34  23.92 
1963 01 27.63  22.11  24.87 
1963 02 27.12  21.90  24.51 
1963 03 31.22  24.98  28.09 
1963 04 32.34  25.80  29.07 
1963 05 32.34  27.05  29.70 
1963 06 33.38  27.87  30.62 
1963 07 32.11  26.17  29.14 
1963 08 30.70  25.83  28.26 
1963 09 29.56  25.57  27.56 
1963 10 28.76  24.97  26.86 
1963 11 27.84  23.72  25.78 
1963 12 25.16  20.37  22.77 
1964 01 25.85  21.01  23.43 
1964 02 27.82  22.26  25.04 
1964 03 31.74  25.32  28.53 
1964 04 33.90  26.29  30.09 
1964 05 32.61  26.82  29.71 
1964 06 31.72  26.15  28.93 
1964 07 31.25  25.14  28.19 
1964 08 31.70  26.10  28.90 
1964 09 30.70  25.37  28.03 
1964 10 27.91  23.65  25.78 
1964 11 28.15  22.97  25.56 
1964 12 27.34  21.90  24.62 
1965 01 26.65  21.68  24.16 
1965 02 28.56  22.93  25.74 
1965 03 30.23  23.03  26.63 
1965 04 32.46  25.17  28.81 
1965 05 33.39  26.58  29.98 
1965 06 31.83  26.35  29.09 
1965 07 31.25  25.23  28.24 
1965 08 31.27  25.66  28.46 
1965 09 30.73  26.15  28.43 
1965 10 28.94  24.76  26.85 
1965 11 27.85  23.45  25.65 
1965 12 26.62  21.42  24.02 
1966 01 25.65  20.74  23.19 
1966 02 27.77  21.14  24.45 
1966 03 27.73  21.54  24.63 
1966 04 32.62  25.27  28.94 
1966 05 31.64  25.37  28.50 
1966 06 31.53  25.76  28.64 
1966 07 31.61  25.12  28.36 
1966 08 31.77  25.30  28.53 
1966 09 29.95  24.53  27.24 
1966 10 29.16  24.65  26.90 
1966 11 26.68  21.83  24.25 
1966 12 25.90  19.77  22.83 
1967 01 26.31  20.53  23.42 
1967 02 26.88  20.69  23.78 
1967 03 29.63  22.68  26.15 
1967 04 32.02  24.76  28.39 
1967 05 33.54  25.83  29.68 
1967 06 31.74  26.04  28.89 
1967 07 32.15  25.76  28.95 
1967 08 31.18  25.26  28.22 
1967 09 30.42  25.53  27.97 
1967 10 28.66  24.34  26.50 
1967 11 27.07  21.75  24.41 
1967 12 28.06  21.92  24.99 
1968 01 26.54  20.08  23.31 
1968 02 25.74  18.14  21.93 
1968 03 30.06  18.61  24.33 
1968 04 35.68  21.55  28.61 
1968 05 35.08  23.66  29.37 
1968 06 34.64  23.55  29.09 
1968 07 34.52  22.55  28.53 
1968 08 34.27  22.90  28.58 
1968 09 34.30  23.05  28.67 
1968 10 31.87  22.07  26.97 
1968 11 29.99  19.78  24.88 
1968 12 29.39  19.15  24.27 
1969 01 29.31  18.79  24.05 
1969 02 31.07  19.08  25.07 
1969 03 30.61  20.60  25.60 
1969 04 36.00  22.87  29.43 
1969 05 34.93  23.79  29.36 
1969 06 34.61  24.25  29.43 
1969 07 36.71  23.23  29.97 
1969 08 34.45  23.16  28.80 
1969 09 32.53  22.97  27.75 
1969 10 32.03  22.91  27.47 
1969 11 29.40  19.35  24.37 
1969 12 29.24  17.65  23.44 
1970 01 28.00  17.77  22.88 
1970 02 28.11  17.02  22.56 
1970 03 32.06  19.92  25.99 
1970 04 37.13  23.73  30.43 
1970 05 33.90  22.69  28.29 
1970 06 35.64  23.59  29.61 
1970 07 34.16  22.70  28.43 
1970 08 34.84  22.96  28.90 
1970 09 34.00  22.69  28.34 
1970 10 32.90  22.48  27.69 
1970 11 28.90  18.26  23.58 
1970 12 30.58  19.06  24.82 
1974 01 32.61  17.35  24.98 
1974 02 30.95  16.93  23.94 
1974 03 35.64  17.87  26.75 
1974 04 37.37  19.15  28.25 
1974 05 36.86  19.60  28.23 
1974 06 35.33  19.03  27.18 
1974 07 33.63  18.29  25.96 
1974 08 35.09  17.45  26.27 
1974 09 34.15  18.36  26.25 
1974 10 32.28  16.82  24.55 
1974 11 30.22  17.40  23.81 
1975 12 29.41  14.77  22.09 
1976 01 27.55  14.65  21.09 
1976 02 28.68  15.87  22.27 
1976 03 34.59  20.08  27.34 
1976 04 34.09  20.76  27.42 
1976 05 34.25  22.63  28.44 
1976 07 33.13  21.80  27.46 
1976 08 32.48  21.65  27.06 
1976 09 32.65  22.31  27.48 
1976 10 30.94  21.01  25.97 
1976 11 28.65  19.15  23.90 
1976 12 27.15  18.60  22.87 
1977 01 27.81  15.03  21.42 
1977 02 27.53  18.85  23.19 
1977 03 33.06  20.61  26.83 
1977 04 32.00  20.65  26.32 
1977 05 33.88  21.76  27.82 
1977 06 32.84  22.62  27.73 
1977 07 33.16  21.91  27.54 
1977 08 33.11  22.61  27.86 
1977 09 33.31  22.65  27.98 
1977 10 30.88  21.01  25.94 
1977 11 30.14  19.45  24.80 
1977 12 29.42  18.34  23.88 
1978 01 28.53  16.02  22.27 
1978 02 28.38  15.65  22.01 
1978 03 30.54  17.67  24.10 
1978 04 33.58  21.17  27.37 
1978 05 36.72  24.95  30.83 
1978 06 34.03  22.99  28.50 
1978 07 34.28  22.33  28.30 
1978 08 34.03  22.44  28.23 
1978 09 33.32  22.58  27.95 
1978 10 31.28  20.67  25.97 
1978 11 31.77  20.71  26.24 
1978 12 31.42  18.96  25.19 
1979 01 29.32  17.31  23.31 
1979 02 31.04  16.50  23.77 
1979 03 32.87  19.99  26.43 
1979 04 36.68  21.92  29.30 
1979 05 36.55  23.37  29.96 
1979 06 34.58  23.29  28.93 
1979 07 35.00  23.14  29.07 
1979 08 33.88  22.46  28.17 
1979 09 32.02  22.75  27.38 
1979 10 31.24  21.73  26.48 
1979 11 29.71  19.53  24.62 
1979 12 27.97  17.77  22.87 
1980 01 29.75  17.12  23.43 
1980 02 28.90  17.34  23.12 
1980 03 34.82  20.60  27.71 
1980 04 33.30  19.78  26.54 
1980 05 37.41  24.53  30.97 
1980 06 33.90  23.39  28.64 
1980 07 34.36  22.52  28.44 
1980 08 33.87  22.68  28.27 
1980 09 32.43  22.63  27.53 
1980 10 31.62  21.95  26.78 
1980 11 29.07  19.04  24.06 
1980 12 27.35  15.17  21.26 
1981 01 27.36  13.41  20.38 
1981 02 29.99  17.40  23.69 
1981 03 32.36  18.75  25.55 
1981 04 35.71  20.78  28.24 
1981 05 36.99  22.75  29.87 
1981 06 33.96  23.31  28.63 
1981 07 33.08  21.84  27.46 
1981 08 33.50  21.85  27.68 
1981 09 33.00  21.53  27.27 
1981 10 32.50  21.48  26.99 
1981 12 30.36  16.85  23.60 
