1957 01 29.77  20.04  24.91 
1957 02 31.75  21.22  26.48 
1957 03 28.85  19.18  24.01 
1957 04 28.84  16.56  22.70 
1957 05 26.36  13.15  19.75 
1957 06 25.03  12.55  18.79 
1957 07 25.49  12.59  19.04 
1957 08 27.31  11.62  19.46 
1957 09 28.27  10.94  19.60 
1957 10 31.72  14.78  23.25 
1957 11 32.41  17.95  25.18 
1957 12 32.48  18.35  25.41 
1958 01 32.15  20.49  26.32 
1958 02 30.93  21.60  26.26 
1958 03 31.20  20.51  25.85 
1958 05 27.75  16.03  21.89 
1958 06 26.23  14.75  20.49 
1958 07 26.33  10.14  18.24 
1958 08 27.16  11.95  19.55 
1958 09 28.66  12.02  20.34 
1958 10 30.72  16.02  23.37 
1958 11 30.69  17.62  24.15 
1958 12 32.40  20.16  26.28 
1959 01 31.43  22.01  26.72 
1959 02 31.00  20.24  25.62 
1959 03 29.15  20.57  24.86 
1959 04 27.33  16.49  21.91 
1959 05 25.12  15.74  20.43 
1959 06 23.76  12.26  18.01 
1959 07 24.81  10.37  17.59 
1959 08 24.92   9.74  17.33 
1959 09 27.02  13.17  20.09 
1959 10 30.44  14.76  22.60 
1959 11 31.31  18.57  24.93 
1959 12 32.08  21.74  26.91 
1960 01 29.57  20.83  25.20 
1960 02 30.73  21.43  26.08 
1960 03 28.82  19.12  23.97 
1960 04 28.13  15.70  21.91 
1960 05 26.88  12.94  19.91 
1960 06 24.63  12.00  18.31 
1960 07 99.99   9.89 -99.99 
1960 08 25.60  11.02  18.31 
1960 09 28.83  12.96  20.89 
1960 11 31.77  18.49  25.13 
1961 01 30.08  18.73  24.40 
1961 02 32.09  20.40  26.25 
1961 03 30.03  18.39  24.21 
1961 05 26.20  14.15  20.17 
1961 06 25.48   9.97  17.72 
1961 07 25.69  10.08  17.88 
1961 08 26.70  11.02  18.86 
1961 09 27.78  13.38  20.58 
1961 11 31.90 -99.99 -99.99 
1962 03 30.56  19.36  24.96 
1962 04 28.66  17.85  23.25 
1962 11 32.54  18.54  25.54 
1962 12 32.18  20.08  26.13 
1963 01 31.38  21.05  26.21 
1963 02 30.03  20.64  25.33 
1968 12 99.99  19.52 -99.99 
1972 03 28.58  20.59  24.58 
1972 04 28.00  17.60  22.80 
1972 05 25.00  15.50  20.25 
1972 07 24.90 -99.99 -99.99 
1972 08 27.30  11.30  19.29 
1972 10 30.90  14.80  22.85 
1973 01 33.00  21.70  27.35 
1973 03 29.90  20.90  25.40 
1973 05 99.99  16.79 -99.99 
1973 07 25.80  12.80  19.29 
1973 08 26.90  13.90  20.40 
1973 09 28.50 -99.99 -99.99 
1973 10 30.40  16.70  23.55 
1973 11 30.60  21.10  25.85 
1973 12 30.40 -99.99 -99.99 
1974 01 29.70  21.80  25.75 
1974 03 29.30  21.30  25.30 
1974 05 26.70  14.50  20.60 
1974 07 25.40  10.60  18.00 
1974 08 27.40  12.10  19.75 
1974 09 28.30  14.80  21.55 
1974 10 29.90  15.90  22.90 
1974 11 99.99  19.40 -99.99 
1975 01 30.90  20.90  25.90 
1975 04 28.50  18.79  23.65 
1975 05 99.99  14.90 -99.99 
1975 06 25.10 -99.99 -99.99 
1975 07 26.30  13.30  19.79 
1975 08 27.00  12.70  19.85 
1975 09 27.60  17.40  22.50 
1975 10 29.60  18.50  24.05 
1975 11 31.70 -99.99 -99.99 
1975 12 29.30  21.00  25.15 
1976 02 29.50 -99.99 -99.99 
1976 03 29.80  21.50  25.65 
1976 05 26.50 -99.99 -99.99 
1976 06 25.10  10.50  17.79 
1976 07 25.10  10.60  17.85 
1976 08 25.70   8.89  17.29 
1976 09 28.80  13.60  21.20 
1976 10 31.70  17.40  24.55 
1976 11 33.30  20.80  27.05 
1976 12 99.99  21.40 -99.99 
1977 03 29.50  20.00  24.75 
1977 05 26.70  16.00  21.35 
1977 06 99.99  10.20 -99.99 
1977 07 23.70 -99.99 -99.99 
1977 08 25.10  10.40  17.75 
1977 09 27.00  13.80  20.40 
1977 10 28.80  14.80  21.80 
1977 11 31.50  18.00  24.75 
1978 01 30.90 -99.99 -99.99 
1978 03 30.70  20.10  25.40 
1978 05 27.40  17.20  22.30 
1978 06 26.60  12.00  19.29 
1978 08 26.60  12.30  19.45 
1978 09 99.99  15.40 -99.99 
1978 10 28.30  16.00  22.15 
1978 11 30.60  19.00  24.80 
1979 01 29.60  21.80  25.70 
1979 03 30.20  20.10  25.15 
1979 05 99.99  16.20 -99.99 
1979 07 24.20  11.30  17.75 
1979 08 26.10  10.00  18.04 
1979 09 27.20 -99.99 -99.99 
1979 10 30.60  16.40  23.50 
1979 11 31.70  18.29  25.00 
1980 01 32.70  21.90  27.30 
1980 02 99.99  22.00 -99.99 
1980 03 29.20  20.29  24.75 
1980 05 99.99  16.50 -99.99 
1980 07 25.60  11.00  18.29 
1980 08 25.40  13.80  19.60 
1980 09 28.50  12.50  20.50 
1980 10 30.70  16.70  23.70 
1980 11 31.50 -99.99 -99.99 
1980 12 31.60  20.90  26.25 
1981 03 30.60  20.20  25.40 
1982 01 32.09 -99.99 -99.99 
1982 03 30.40  20.90  25.65 
1982 07 99.99   8.10 -99.99 
1982 08 23.90  12.00  17.95 
1982 09 28.20  13.60  20.90 
1982 10 30.10  12.40  21.25 
1982 11 30.70  17.20  23.95 
1983 01 34.09 -99.99 -99.99 
1983 03 30.30  21.10  25.70 
1983 05 27.70 -99.99 -99.99 
1983 06 99.99  13.80 -99.99 
1983 08 25.50  12.90  19.20 
1983 09 28.80  14.90  21.84 
1983 10 31.10  17.70  24.40 
1983 11 31.70  20.20  25.95 
1984 03 30.30 -99.99 -99.99 
1984 05 26.90  15.10  21.00 
1984 07 24.70  11.80  18.25 
1984 08 27.10  12.50  19.79 
1984 10 99.99  16.40 -99.99 
1984 11 99.99  20.10 -99.99 
1985 01 99.99  21.00 -99.99 
1985 03 99.99  20.80 -99.99 
1985 05 25.80  16.79  21.30 
1985 07 24.10  10.10  17.10 
1985 08 26.60 -99.99 -99.99 
1985 09 28.70  11.50  20.10 
1985 10 30.27  18.00  24.13 
1985 11 99.99  20.40 -99.99 
1986 01 99.99  21.70 -99.99 
1986 05 99.99  14.80 -99.99 
1986 07 99.99  14.20 -99.99 
1986 08 99.99  14.40 -99.99 
1988 03 99.99  21.30 -99.99 
1988 06 99.99  12.40 -99.99 
1988 09 99.99  14.50 -99.99 
1988 10 99.99  17.29 -99.99 
1990 03 99.99  21.10 -99.99 
1990 11 99.99  17.70 -99.99 
1991 01 30.79  22.50  26.64 
1991 05 99.99  14.90 -99.99 
1991 07 99.99  10.80 -99.99 
1991 08 99.99  11.20 -99.99 
1992 03 99.99  19.50 -99.99 
1992 06 26.44  11.20  18.82 
1992 08 99.99  13.00 -99.99 
1992 09 99.99  17.70 -99.99 
