1922 04 28.62   8.41  18.51 
1922 05 37.31  13.18  25.24 
1922 06 42.84  15.52  29.18 
1923 04 99.99  11.10 -99.99 
1923 05 99.99  16.61 -99.99 
1923 06 37.68  16.91  27.29 
1923 07 40.34  25.70  33.02 
1923 08 39.38  24.17  31.77 
1923 09 36.39  19.62  28.00 
1923 10 30.66  10.62  20.64 
1923 11 99.99   8.10 -99.99 
1924 01 19.16   1.65  10.40 
1924 02 25.08   3.38  14.23 
1924 03 24.15   4.10  14.12 
1924 05 36.22  15.01  25.61 
1925 04 30.47   9.06  19.76 
1925 05 35.39  14.62  25.00 
1925 06 37.71  18.43  28.07 
1925 07 41.44  24.56  33.00 
1925 08 40.13  23.55  31.84 
1925 09 37.57  16.32  26.94 
1925 10 99.99  11.98 -99.99 
1925 11 23.04   2.97  13.00 
1925 12 20.44   1.70  11.07 
1926 01 19.25  -1.79   8.72 
1926 02 24.65   2.42  13.53 
1926 03 27.59   6.74  17.16 
1926 04 30.02  11.08  20.55 
1926 05 33.99  13.12  23.55 
1926 06 40.14  16.99  28.56 
1926 07 41.14  21.97  31.55 
1926 08 40.52  22.36  31.44 
1926 09 37.54  19.74  28.64 
1926 10 33.30  11.83  22.56 
1926 11 27.20   4.17  15.69 
1926 12 18.16   2.86  10.51 
1927 01 22.01   2.51  12.26 
1927 02 24.03   5.89  14.96 
1927 03 25.12   5.81  15.46 
1927 04 29.95   8.62  19.28 
1927 05 34.83  12.50  23.66 
1927 06 38.00  17.25  27.63 
1927 07 40.84  23.62  32.23 
1927 08 39.78  23.40  31.59 
1927 09 36.59  19.04  27.82 
1927 10 31.95  10.14  21.05 
1927 11 25.61   7.44  16.52 
1927 12 18.37   1.24   9.80 
1928 01 21.81    . 9  10.95 
1928 02 22.20   2.76  12.48 
1928 03 26.35   6.93  16.64 
1928 04 29.14   8.59  18.86 
1928 05 33.83  15.04  24.43 
1928 06 37.86  18.45  28.16 
1928 07 40.63  23.03  31.83 
1928 08 39.91  23.81  31.86 
1928 09 38.57  19.32  28.94 
1928 10 31.81  11.04  21.42 
1928 11 24.28   5.46  14.87 
1928 12 19.58   1.04  10.31 
1929 02 20.98   2.04  11.51 
1929 03 25.42   6.12  15.77 
1929 04 27.78   8.38  18.08 
1929 05 34.34  13.34  23.84 
1929 06 38.38  17.99  28.18 
1929 07 40.25  25.55  32.90 
1929 08 40.02  25.60  32.81 
1929 09 37.14  19.67  28.40 
1929 10 33.34  12.74  23.04 
1929 11 25.18   1.72  13.45 
1929 12 23.75    .51  12.13 
1930 01 18.50   3.28  10.89 
1930 02 25.97   5.97  15.96 
1930 03 24.19   7.98  16.08 
1930 04 27.78  12.32  20.04 
1930 05 28.27  12.24  20.25 
1930 06 37.25  18.84  28.04 
1930 07 39.31  24.62  31.96 
1930 08 41.55  22.95  32.25 
1930 09 38.20  17.08  27.64 
1930 10 32.28   8.42  20.34 
1930 11 26.33   6.22  16.27 
1930 12 20.89  -2.67   9.10 
1931 01 21.68   -.40  10.64 
1931 02 21.89   7.14  14.51 
1931 03 28.45   6.00  17.22 
1931 04 32.18  11.06  21.62 
1931 05 36.82  14.22  25.52 
1931 06 39.05  19.42  29.23 
1931 07 42.99  27.05  35.02 
1931 08 40.04  24.37  32.20 
1931 09 38.43  19.39  28.91 
1931 10 32.88  11.61  22.24 
1931 11 22.90   5.34  14.12 
1931 12 18.54   1.28   9.91 
1932 01 18.54   -.13   9.21 
1932 02 21.51   5.02  13.26 
1932 03 26.96   7.48  17.21 
1932 04 99.99   8.72 -99.99 
1932 05 35.03  13.42  24.22 
1932 06 39.95  17.33  28.64 
1932 07 41.57  24.58  33.07 
1932 08 42.35  24.32  33.33 
1932 09 41.04  18.94  29.99 
1932 10 31.91  11.42  21.66 
1932 11 28.07   4.06  16.06 
1933 01 17.96    .98   9.47 
1933 02 19.87    .34  10.10 
1933 03 27.85   6.26  17.05 
1933 04 28.50   7.59  18.04 
1933 05 32.00  11.02  21.51 
1933 06 40.50  18.12  29.31 
1933 08 43.25 -99.99 -99.99 
1933 09 40.18  21.92  31.05 
1933 10 36.09  13.34  24.71 
1933 11 28.85   3.82  16.33 
1933 12 23.09    .29  11.69 
1934 01 23.64   -.19  11.72 
1934 02 26.26   5.14  15.70 
1934 03 33.12   8.72  20.92 
1934 04 34.74  12.02  23.38 
1934 05 38.33  15.83  27.08 
1934 06 99.99  16.16 -99.99 
1934 08 40.84 -99.99 -99.99 
1934 09 38.81  19.10  28.95 
1934 10 34.14  12.31  23.22 
1934 11 25.66   5.28  15.47 
1934 12 21.73   3.51  12.62 
1935 01 20.55   2.71  11.62 
1935 02 22.65   7.24  14.94 
1935 03 24.38   6.38  15.37 
1935 04 30.82   9.89  20.35 
1935 05 32.74  12.13  22.43 
1935 06 41.90 -99.99 -99.99 
1935 07 41.47  23.68  32.57 
1935 09 39.00  21.03  30.01 
1935 10 33.43  10.87  22.15 
1936 01 21.50    .20  10.85 
1936 02 23.57   3.86  13.71 
1936 05 37.97  14.87  26.42 
1936 06 41.49  20.64  31.06 
1936 07 42.90  25.46  34.18 
1936 08 41.91  25.81  33.86 
1936 09 38.96  19.54  29.25 
1936 10 33.87  11.78  22.82 
1936 11 26.96   4.73  15.85 
1936 12 21.66   1.58  11.62 
1937 01 15.06  -2.42   6.32 
1937 02 23.06   3.16  13.11 
1937 03 26.39   5.51  15.95 
1937 04 31.12   9.49  20.30 
1937 05 35.70  13.81  24.75 
1937 06 40.09  18.62  29.36 
1937 07 42.84  25.67  34.25 
1937 08 42.50  26.27  34.38 
1937 09 40.27  23.23  31.75 
1937 10 35.40  11.96  23.68 
1937 12 23.18   4.73  13.96 
1938 01 22.31   2.10  12.21 
1938 02 22.28   5.23  13.75 
1938 03 25.33   7.82  16.57 
1938 04 31.40   9.96  20.68 
1938 05 35.77  14.29  25.03 
1938 06 39.55  18.58  29.06 
1938 07 41.78  24.43  33.10 
1938 08 40.96  24.32  32.64 
1938 09 40.00  20.97  30.48 
1938 10 32.00  10.98  21.49 
1938 11 23.92    .22  12.07 
1938 12 20.90   2.89  11.89 
1939 01 19.50   2.55  11.02 
1939 02 18.48   1.57  10.02 
1939 03 27.18   6.25  16.71 
1939 05 36.06  15.34  25.70 
1939 06 39.95  18.96  29.46 
1939 07 42.80  25.10  33.95 
1939 08 42.01  26.36  34.18 
1939 09 35.03  22.00  28.51 
1939 10 30.49  10.10  20.29 
1939 11 25.66   7.43  16.54 
1939 12 23.05   2.43  12.74 
1940 01 21.85   3.44  12.64 
1940 02 22.97   5.09  14.03 
1940 03 28.82   7.91  18.36 
1940 04 32.00  11.56  21.78 
1940 05 38.55  15.58  27.06 
1940 06 41.72  20.34  31.03 
1940 07 43.48  22.16  32.82 
1940 08 42.26  24.98  33.62 
1940 09 38.25  20.04  29.15 
1940 10 32.30  13.17  22.73 
1940 11 24.41   2.59  13.50 
1940 12 21.46   4.77  13.11 
1941 01 19.37   4.37  11.87 
1941 02 23.24   7.28  15.26 
1941 03 24.96   7.80  16.37 
1941 04 27.03   9.35  18.19 
1941 05 35.73  14.58  25.15 
1941 06 38.48  16.23  27.35 
1941 07 42.75  23.24  32.99 
1941 08 40.84  21.62  31.23 
1941 09 37.59  13.27  25.43 
1941 10 30.38   9.93  20.16 
1941 11 26.50   3.71  15.10 
1941 12 20.88   2.51  11.69 
1942 01 20.87   1.31  11.09 
1942 02 21.45   1.36  11.40 
1942 03 25.86   4.33  15.09 
1942 04 28.77   9.79  19.28 
1942 05 34.99 -99.99 -99.99 
1942 06 40.05 -99.99 -99.99 
1942 07 43.95  24.79  34.37 
1942 08 41.44 -99.99 -99.99 
1942 09 39.95  16.45  28.20 
1942 10 33.03  12.46  22.74 
1942 11 27.59   3.51  15.55 
1943 02 24.98   3.76  14.37 
1943 03 28.78   7.94  18.36 
1943 04 33.43  10.44  21.93 
1943 05 36.43  13.71  25.07 
1943 06 38.90  16.78  27.84 
1943 07 43.47  22.09  32.78 
1943 08 40.14  24.29  32.21 
1943 09 40.68  20.64  30.66 
1943 10 33.74  12.15  22.94 
1943 11 26.87   1.46  14.16 
1943 12 20.11   2.72  11.41 
1944 01 20.48   -.28  10.09 
1944 02 19.66   3.54  11.60 
1944 03 25.61   6.31  15.96 
1944 04 29.06   8.67  18.86 
1944 05 34.14  12.76  23.45 
1944 06 37.05  15.39  26.22 
1944 07 42.02 -99.99 -99.99 
1944 08 42.85  24.64  33.74 
1944 09 38.73 -99.99 -99.99 
1944 10 33.79  18.15  25.97 
1944 11 21.82   7.77  14.79 
1944 12 20.79    .87  10.83 
1945 01 18.95   1.35  10.15 
1945 03 23.00   5.36  14.18 
1945 07 42.49  24.79  33.64 
1945 08 40.88  27.83  34.35 
1945 09 39.47 -99.99 -99.99 
1945 10 33.16 -99.99 -99.99 
1945 12 19.75  -1.52   9.11 
1946 02 22.94   -.39  11.27 
1946 03 26.81   5.30  16.05 
1946 04 33.34  10.32  21.83 
1946 06 41.16  17.45  29.30 
1946 07 41.57  24.23  32.90 
1946 09 39.02  20.36  29.69 
1946 10 29.37   9.84  19.60 
1946 11 23.00   2.69  12.84 
1946 12 21.91   1.83  11.87 
1947 01 20.08  -1.73   9.17 
1947 02 26.51   3.74  15.12 
1947 03 27.02   6.61  16.81 
1947 04 31.91  10.04  20.97 
1947 05 36.34  16.04  26.20 
1947 06 38.47  18.56  28.51 
1947 07 43.52  24.26  33.89 
1947 08 39.96  23.11  31.53 
1947 09 40.00  21.05  30.52 
1947 10 33.30  11.87  22.58 
1947 11 26.39   3.24  14.81 
1947 12 19.96   -.36   9.80 
1948 01 25.60  -1.10  12.25 
1948 02 23.75   1.69  12.72 
1948 03 24.65   3.94  14.29 
1948 04 31.54  10.36  20.95 
1948 05 35.36  12.23  23.79 
1948 06 38.64  16.61  27.62 
1948 07 41.45  22.95  32.20 
1948 08 41.65  24.54  33.09 
1948 09 39.61  19.71  29.66 
1948 10 31.87  13.87  22.87 
1948 11 23.82   1.50  12.66 
1948 12 18.99    .43   9.71 
1949 01 13.78   -.86   6.46 
1949 02 21.36    .51  10.93 
1949 03 26.50   4.69  15.59 
1949 04 32.88  10.20  21.54 
1949 05 34.00  13.01  23.50 
1949 06 39.78  19.31  29.54 
1951 11 24.35   5.01  14.68 
1951 12 18.98   1.93  10.45 
1952 01 18.46    .54   9.50 
1952 02 22.01   2.38  12.19 
1952 03 22.45   6.36  14.40 
1952 04 29.24  12.59  20.91 
1952 05 38.14  17.12  27.63 
1952 06 38.68  18.54  28.61 
1952 07 42.31  24.56  33.43 
1952 08 41.58  26.16  33.87 
1952 09 40.02  21.37  30.69 
1952 10 37.65  13.24  25.44 
1952 11 23.18   3.87  13.52 
1952 12 18.77   2.02  10.39 
1953 01 23.13   3.47  13.29 
1953 02 22.79   2.30  12.54 
1953 03 26.39   6.66  16.52 
1953 04 28.67  10.34  19.50 
1953 05 30.94  11.88  21.41 
1953 06 38.70  18.58  28.64 
1953 07 40.43  27.06  33.74 
1953 08 39.91  24.10  32.00 
1953 09 39.21  17.83  28.52 
1953 10 32.03  11.40  21.71 
1953 11 26.42   5.81  16.11 
1953 12 20.29  -1.16   9.57 
1954 01 20.69    .64  10.66 
1954 02 26.36   5.78  16.07 
1954 03 23.79   6.43  15.11 
1954 04 31.94  11.60  21.77 
1954 05 35.45  15.57  25.51 
1954 06 38.33  19.18  28.75 
1954 07 41.26  27.01  34.13 
1954 08 38.45  23.12  30.78 
1954 09 37.93  20.39  29.16 
1954 10 33.70  12.67  23.18 
1954 11 27.26   5.73  16.49 
1954 12 20.96   1.33  11.14 
1955 01 16.04   2.21   9.12 
1955 02 19.91   1.78  10.84 
1955 03 25.96   6.04  16.00 
1955 04 27.81   8.95  18.37 
1955 05 31.45  14.04  22.74 
1955 06 37.32  17.99  27.65 
1955 07 38.31  22.65  30.48 
1955 08 38.06  25.39  31.72 
1955 09 38.15  19.48  28.81 
1955 10 34.20  13.65  23.92 
1955 11 24.48   4.71  14.59 
1955 12 21.92   2.28  12.10 
1956 01 21.39   2.92  12.15 
1956 02 20.12    .18  10.15 
1956 03 27.66   4.50  16.08 
1956 04 27.76   9.64  18.70 
1956 05 33.84  14.37  24.10 
1956 06 38.63  20.08  29.35 
1956 07 39.13  24.51  31.82 
1956 09 40.08  20.93  30.50 
1956 10 31.06  12.04  21.55 
1956 11 25.07   1.92  13.49 
1956 12 21.32   -.16  10.58 
1957 01 18.29   4.76  11.53 
1957 02 24.80   7.40  16.10 
1957 03 25.64   8.41  17.02 
1957 04 28.32  10.20  19.26 
1957 05 30.38  12.94  21.66 
1957 06 38.93  20.04  29.48 
1957 07 40.87  25.84  33.35 
1957 09 37.62  19.09  28.35 
1957 10 28.87  13.65  21.26 
1957 11 21.43   5.31  13.37 
1957 12 21.05   2.21  11.62 
1958 01 21.18   1.49  11.33 
1958 02 23.10   6.57  14.83 
1958 03 22.33   7.40  14.86 
1958 04 29.72  10.57  20.14 
1958 05 36.88  17.36  27.12 
1958 06 37.80  20.57  29.18 
1958 07 40.07  22.75  31.41 
1958 08 38.88  25.83  32.35 
1958 09 36.56  20.93  28.74 
1958 10 32.73  14.81  23.77 
1958 11 25.15   4.83  14.99 
1958 12 23.48   1.09  12.28 
1959 01 22.40   1.72  12.06 
1959 02 21.57   3.10  12.33 
1959 03 27.67   6.53  17.10 
1959 04 32.66  12.14  22.40 
1959 05 32.15  14.16  23.15 
1959 06 39.49  20.65  30.07 
1959 07 40.00  26.57  33.29 
1959 08 37.34  24.81  31.07 
1959 10 32.14  12.10  22.12 
1959 11 25.88   5.92  15.90 
1959 12 19.00   3.32  11.16 
1960 01 17.19    .77   8.98 
1960 02 20.73   3.37  12.04 
1960 03 28.05   8.99  18.52 
1960 04 31.28  10.85  21.06 
1960 05 34.55  14.14  24.34 
1960 06 40.84  21.38  31.11 
1960 07 40.74  24.59  32.66 
1960 08 38.88  23.86  31.37 
1960 09 37.66  20.17  28.91 
1960 10 30.69  12.81  21.75 
1960 11 24.90   4.98  14.94 
1960 12 19.79   -.26   9.76 
1961 01 22.00   1.92  11.96 
1961 02 23.94   4.31  14.12 
1961 03 26.06   6.78  16.42 
1961 04 31.29  10.43  20.86 
1961 05 33.75  13.71  23.73 
1961 06 39.50  21.27  30.39 
1961 07 39.23  25.29  32.26 
1961 08 38.02  23.81  30.91 
1961 09 35.13  17.62  26.37 
1961 10 30.98   9.38  20.18 
1961 11 22.22   4.48  13.35 
1961 12 18.58   2.29  10.43 
1962 01 19.87   2.15  11.01 
1962 02 21.61   5.15  13.38 
1962 03 23.15   4.46  13.80 
1962 04 33.38  11.47  22.42 
1962 05 33.14  12.44  22.79 
1962 06 37.41  17.29  27.35 
1962 07 39.59  22.32  30.95 
1962 08 40.97  23.69  32.33 
1962 09 36.87  21.39  29.13 
1962 10 32.45  11.27  21.86 
1962 11 26.84   6.61  16.72 
1962 12 21.41   3.03  12.22 
1963 01 18.23   -.84   8.69 
1963 02 26.89   6.44  16.66 
1963 03 24.94   5.75  15.34 
1963 04 27.42   8.68  18.05 
1963 05 35.66  15.32  25.49 
1963 06 35.68 -99.99 -99.99 
1963 07 39.48  24.46  31.97 
1963 08 37.95  24.30  31.12 
1963 09 37.89  21.24  29.56 
1963 10 31.90  14.59  23.24 
1963 11 24.70   6.68  15.69 
1963 12 21.44   -.86  10.29 
1964 01 18.43  -2.07   8.18 
1964 02 20.48    .79  10.63 
1964 03 23.76   4.69  14.23 
1964 04 28.71   9.58  19.14 
1964 05 32.66  13.15  22.90 
1964 06 37.37  17.92  27.64 
1964 07 39.89  25.02  32.45 
1964 08 37.81  24.46  31.13 
1964 09 36.32  18.74  27.53 
1964 10 33.80  15.37  24.58 
1964 11 21.76   3.78  12.77 
1964 12 20.04   2.41  11.23 
1965 01 20.26   3.16  11.71 
1965 02 22.09   3.91  13.00 
1965 03 23.15 -99.99 -99.99 
1965 04 28.62  10.85  19.73 
1965 05 31.99  13.15  22.57 
1965 06 35.09  15.24  25.16 
1965 07 40.65  23.33  31.99 
1965 08 41.31  23.98  32.64 
1965 09 36.09  17.34  26.71 
1965 10 34.46  11.32  22.89 
1965 11 25.02   8.71  16.86 
1965 12 17.79   4.09  10.94 
1966 01 17.53    .74   9.13 
1966 02 19.27   2.35  10.81 
1966 03 27.18   6.60  16.89 
1966 04 31.37  11.15  21.26 
1966 05 35.45  15.81  25.63 
1966 06 38.74  18.57  28.65 
1966 08 40.77  25.92  33.34 
1966 09 37.36  20.34  28.85 
1966 10 31.87  11.54  21.70 
1966 11 25.85   6.55  16.20 
1966 12 20.69   2.34  11.52 
1967 01 20.04    .21  10.12 
1967 02 24.32   2.44  13.38 
1967 03 26.33   7.67  17.00 
1967 04 25.04   7.94  16.49 
1967 05 33.32  13.42  23.37 
1967 06 36.58  17.29  26.94 
1967 07 40.59  26.12  33.36 
1967 08 40.89  25.29  33.09 
1967 09 35.66  20.63  28.14 
1967 10 33.09  12.79  22.94 
1967 11 26.94   7.78  17.36 
1967 12 17.07   1.47   9.26 
1968 01 20.35   1.23  10.79 
1968 02 24.71   6.73  15.71 
1968 03 25.81   7.30  16.55 
1968 04 28.58  10.35  19.46 
1968 05 34.47  14.02  24.24 
1968 06 39.63  18.53  29.08 
1968 07 39.97  24.25  32.11 
1968 08 38.78  21.90  30.34 
1968 09 38.53  18.02  28.27 
1968 10 32.43  11.16  21.80 
1968 12 18.62   -.97   8.82 
1969 01 21.16   5.15  13.15 
1969 02 21.05   2.65  11.85 
1969 03 25.71   6.25  15.98 
1969 04 30.05  11.19  20.62 
1969 05 35.59  14.87  25.23 
1969 07 40.90  25.11  33.00 
1969 08 42.98  26.63  34.80 
1969 09 38.99  20.70  29.84 
1969 10 30.17  10.89  20.53 
1969 11 23.93   8.31  16.12 
1969 12 19.76   3.39  11.57 
1970 01 20.10   1.21  10.65 
1970 02 99.99   5.39 -99.99 
1970 03 24.47   6.63  15.54 
1970 04 27.60   7.33  17.46 
1970 05 35.29  13.65  24.47 
1970 06 38.79  18.68  28.73 
1970 07 42.09  25.84  33.96 
1970 08 40.89  25.89  33.39 
1970 09 37.27  18.87  28.07 
1970 11 25.53   5.09  15.31 
1970 12 19.25   1.61  10.43 
1971 01 20.57    . 6  10.31 
1971 02 22.88   3.48  13.17 
1971 03 27.09   6.41  16.75 
1971 04 27.22   9.22  18.21 
1971 05 30.34  12.42  21.38 
1971 06 37.75  17.93  27.84 
1971 07 40.59  24.59  32.59 
1971 08 38.32  25.17  31.74 
1971 10 28.46  12.22  20.34 
1971 11 23.85   4.82  14.33 
1971 12 99.99   1.64 -99.99 
1972 01 19.91  -1.22   9.34 
1972 02 25.08   3.26  14.17 
1972 03 30.38   9.16  19.77 
1972 04 29.91  10.10  20.01 
1972 05 32.96  13.42  23.18 
1972 06 37.65  20.04  28.84 
1972 07 42.00  24.59  33.29 
1972 08 38.66  23.17  30.91 
1972 09 36.46  17.95  27.20 
1972 10 27.55  15.11  21.33 
1972 11 22.07   4.79  13.43 
1972 12 18.12   1.63   9.87 
1973 01 18.41   1.15   9.78 
1973 02 20.87   4.87  12.87 
1973 03 21.43   6.11  13.77 
1973 04 27.95   9.06  18.50 
1973 05 34.08  13.47  23.77 
1973 06 39.00  19.23  29.11 
1973 07 40.75  23.37  32.06 
1973 08 40.02  22.99  31.50 
1973 10 32.91  10.29  21.60 
1973 11 24.29   5.25  14.77 
1973 12 21.62   1.37  11.49 
1974 01 19.29   3.08  11.19 
1974 02 22.79   2.38  12.58 
1974 03 25.77   8.10  16.93 
1974 04 29.01   9.77  19.39 
1974 05 33.18  14.26  23.72 
1974 06 39.61  20.67  30.14 
1974 07 38.63  23.85  31.24 
1974 08 40.25  21.64  30.94 
1974 09 37.43  21.74  29.58 
1974 10 30.93  14.67  22.80 
1974 11 24.82   5.98  15.40 
1974 12 18.45    .62   9.54 
1975 01 20.35    .68  10.51 
1975 02 21.49   1.97  11.73 
1975 03 23.59   5.34  14.46 
1975 04 24.41   6.93  15.67 
1975 05 32.29  11.90  22.09 
1975 06 37.65  16.45  27.05 
1975 07 40.03  24.82  32.42 
1975 08 40.65  22.56  31.60 
1975 09 37.43  20.32  28.88 
1975 10 30.92  10.77  20.84 
1975 11 25.11   4.25  14.68 
1975 12 20.37   1.94  11.15 
1976 01 21.26    .96  11.11 
1976 02 23.16   5.76  14.46 
1976 03 24.38   5.52  14.95 
1976 04 26.66   8.57  17.61 
1976 05 33.97  14.87  24.42 
1976 06 38.59  18.28  28.43 
1976 07 39.64  24.07  31.85 
1976 08 39.34  21.38  30.36 
1976 09 33.84  19.74  26.79 
1976 10 30.16  12.53  21.34 
1976 11 25.61   6.23  15.92 
1976 12 21.03   1.17  11.10 
1977 01 19.58   2.67  11.12 
1977 02 25.60   2.63  14.11 
1977 03 23.34   4.50  13.92 
1977 04 31.24   9.47  20.36 
1977 05 30.38  12.38  21.38 
1977 06 39.84  19.45  29.65 
1977 07 41.10  24.72  32.91 
1977 08 39.29  24.57  31.93 
1977 09 36.99  20.11  28.55 
1977 10 34.09  14.76  24.42 
1977 11 27.31   6.51  16.91 
1977 12 22.13   5.47  13.79 
1978 01 19.09   5.31  12.20 
1978 02 22.18   6.21  14.19 
1978 03 26.03   9.42  17.72 
1978 04 27.94  10.18  19.06 
1978 05 34.08  14.11  24.09 
1978 06 39.81  20.67  30.24 
1978 07 41.13  24.86  32.99 
1978 08 40.64  23.14  31.89 
1978 09 36.71  19.90  28.30 
1978 10 34.45  15.63  25.04 
1978 11 23.31   7.54  15.42 
1978 12 17.60   1.52   9.56 
1979 01 15.91   2.83   9.37 
1979 02 21.72   3.59  12.65 
1979 03 24.07   7.16  15.61 
1979 04 29.83   9.53  19.68 
1979 05 32.81  14.70  23.75 
1979 06 39.25  19.18  29.22 
1979 07 40.45  22.86  31.65 
1979 08 38.93  21.70  30.32 
1979 09 39.98  22.04  31.01 
1979 10 33.61  13.79  23.70 
1979 11 24.22   4.77  14.49 
1979 12 21.95   3.16  12.55 
1980 01 21.45   5.61  13.53 
1980 02 24.00   7.20  15.60 
1980 03 23.33   7.66  15.49 
1980 04 29.19  10.03  19.61 
1980 05 30.70  13.06  21.88 
1980 06 38.93  18.74  28.83 
1980 07 42.03  25.76  33.89 
1980 08 40.64  24.77  32.70 
