1953 11 -9.14 -18.33 -13.74 
1953 12 15.50 -21.90 -18.70 
1954 01 21.91 -34.30 -28.10 
1954 02 21.73 -37.61 -29.67 
1954 03 -6.53 -20.81 -13.67 
1964 07 22.77   6.49  14.63 
1964 08 18.42   5.65  12.03 
1964 09 10.44   1.37   5.90 
1964 10  -.27  -6.85  -3.56 
1964 11 -9.24 -21.84 -15.54 
1964 12 99.99 -36.20 -99.99 
1965 01 15.33 -31.19 -23.26 
1965 02 19.15 -34.46 -26.80 
1965 03 -3.35 -13.92  -8.63 
1965 04 -1.63 -13.13  -7.38 
1965 05  4.16  -7.63  -1.73 
1965 06 18.17   6.00  12.08 
1965 07 18.68   7.49  13.08 
1965 08 13.94   5.22   9.58 
1965 09 11.09   3.53   7.31 
1965 10 -6.54 -18.11 -12.32 
1965 11 -7.10 -16.57 -11.83 
1965 12 18.89 -30.27 -24.58 
1966 01 15.27 -24.91 -20.09 
1966 02 14.86 -25.34 -20.10 
1966 03 18.52 -33.87 -26.19 
1966 04 -3.57 -17.02 -10.29 
1966 05  6.25  -3.64   1.30 
1966 06 20.64   7.07  13.85 
1966 07 19.45   8.18  13.82 
1966 08 17.76   5.88  11.82 
1966 09 12.20   2.09   7.14 
1966 10 -2.25 -11.22  -6.73 
1966 11 -9.59 -19.73 -14.66 
1966 12 19.73 -30.89 -25.31 
1967 01 16.06 -28.51 -22.28 
1967 02 15.29 -26.71 -21.00 
1967 03 -5.75 -18.45 -12.10 
1967 04   .37  -9.62  -4.62 
1967 05  7.65  -2.98   2.33 
1967 06 18.85   5.44  12.14 
1967 07 17.75   7.25  12.50 
1967 08 16.50   4.85  10.67 
1967 09 13.36    .77   7.06 
1967 10 -1.83 -10.47  -6.15 
1967 11 10.32 -23.73 -17.02 
1967 12 16.03 -25.11 -20.57 
1968 01 18.25 -28.48 -23.36 
1968 02 20.91 -36.33 -28.62 
1968 03 -7.11 -23.61 -15.36 
1968 04 -1.71 -17.45  -9.58 
1968 05  6.98  -4.17   1.40 
1968 06 17.65   3.18  10.41 
1968 07 22.79   9.53  16.16 
1968 08 20.64   6.85  13.74 
1968 09  9.31  -4.65   2.33 
1968 10 -3.10 -11.25  -7.17 
1968 11 10.99 -19.57 -15.28 
1968 12 20.67 -30.74 -25.70 
1969 01 19.26 -26.20 -22.73 
1969 02 16.11 -27.66 -21.88 
1969 03 -8.35 -22.30 -15.33 
1969 04  3.31  -9.50  -3.09 
1969 05 16.09   1.10   8.59 
1969 06 21.42   7.89  14.65 
1969 07 19.81   6.52  13.16 
1969 09 14.31   1.35   7.83 
1969 10  3.63  -4.54   -.45 
1969 11 13.60 -22.31 -17.95 
1969 12 -6.24 -17.83 -12.03 
1970 01 23.41 -34.68 -29.04 
1970 02 -9.96 -24.15 -17.05 
1970 03 -7.54 -21.18 -14.36 
1970 04 -3.09 -15.15  -9.12 
1970 06 18.68   3.79  11.23 
1970 07 20.63   7.53  14.08 
1970 09  7.63  -7.23    .20 
1970 10 -6.97 -21.33 -14.15 
1970 11 -9.14 -18.06 -13.60 
1970 12 20.61 -33.11 -26.86 
1971 01 99.99 -37.00 -99.99 
1971 02 24.32 -37.62 -30.97 
1971 03 16.37 -31.94 -24.16 
1971 04 -3.70 -19.78 -11.74 
1971 05  8.10  -3.51   2.29 
1971 06 22.44   7.56  15.00 
1971 08 16.95   3.06  10.00 
1971 09  9.67   -.85   4.41 
1971 10 -2.60 -13.26  -7.93 
1971 11 13.70 -23.65 -18.67 
1971 12 16.28 -25.16 -20.72 
1972 01 99.99 -32.31 -99.99 
1972 02 20.12 -36.25 -28.18 
1972 03 19.76 -38.36 -29.06 
1972 04 -4.96 -19.35 -12.16 
1972 05 10.43    .-7   5.18 
1972 06 19.19   5.66  12.42 
1972 07 23.29   9.14  16.22 
1972 08 18.64   7.71  13.17 
1972 09  9.13  -1.07   4.03 
1972 10  -.39  -7.62  -4.00 
1972 11 10.05 -17.14 -13.59 
1972 12 17.45 -26.57 -22.01 
1973 01 23.89 -33.66 -28.78 
1973 02 11.74 -23.04 -17.39 
1973 03 12.34 -26.07 -19.20 
1973 04 -1.94 -14.11  -8.02 
1973 05 10.56  -2.46   4.05 
1973 06 18.61   5.37  11.99 
1973 07 17.81   6.87  12.34 
1973 08 14.33   5.59   9.96 
1973 09 10.90    .55   5.72 
1973 10 -2.82 -12.53  -7.67 
1973 11 13.76 -23.97 -18.86 
1973 12 13.15 -25.03 -19.09 
1974 01 19.67 -31.15 -25.41 
1974 02 24.63 -39.79 -32.21 
1974 03 10.39 -25.79 -18.09 
1974 04  -.41 -13.91  -7.16 
1974 05 13.22  -2.15   5.53 
1974 06 16.95   4.64  10.79 
1974 07 20.77   6.16  13.46 
1974 08 18.41   7.08  12.74 
1974 09 14.44   2.90   8.67 
1974 10 -3.84 -16.85 -10.34 
1974 11 18.25 -28.19 -23.22 
1974 12 26.10 -37.47 -31.78 
1975 01 22.33 -31.86 -27.09 
1975 02 13.64 -24.22 -18.93 
1975 03 -9.03 -18.77 -13.90 
1975 04 -3.89 -17.95 -10.92 
1975 05  9.75  -4.09   2.83 
1975 06 17.29   3.94  10.62 
1975 07 20.61   7.42  14.01 
1975 08 16.45   5.95  11.20 
1975 09  8.03   -.39   3.82 
1975 10 -2.59 -11.81  -7.20 
1975 11 17.92 -28.72 -23.32 
1975 12 19.12 -30.79 -24.96 
1976 01 16.39 -28.76 -22.57 
1976 03 -9.20 -24.72 -16.95 
1976 04 -1.57 -15.26  -8.41 
1976 05 10.44  -1.04   4.69 
1976 06 18.03   5.39  11.71 
1976 07 20.07   6.31  13.19 
1976 08 20.53   5.98  13.25 
1976 09 12.06   1.59   6.82 
1976 10 -1.96 -10.72  -6.34 
1976 11 -6.13 -15.87 -11.00 
1976 12 14.11 -27.53 -20.82 
1977 01 -7.20 -15.25 -11.22 
1977 02 -9.97 -21.29 -15.63 
1977 03 17.19 -32.16 -24.68 
1977 04 -7.80 -22.50 -15.15 
1977 05 10.55  -1.69   4.43 
1977 06 19.99   6.01  13.00 
1977 07 26.14   8.83  17.48 
1977 08 22.09   8.14  15.11 
1977 09 10.89   1.16   6.02 
1977 10  -.94  -9.63  -5.28 
1977 11 14.36 -25.74 -20.04 
1977 12 18.83 -27.42 -23.12 
1978 01 -5.55 -13.98  -9.76 
1978 02 10.85 -22.08 -16.46 
1978 03 -7.17 -23.63 -15.40 
1978 05 15.32    .63   7.97 
1978 06 16.76   5.90  11.33 
1978 07 22.05   9.24  15.64 
1978 08 19.75   6.92  13.33 
1978 09 13.14   2.00   7.57 
1978 10 -2.34 -11.77  -7.06 
1978 11 -6.06 -15.05 -10.55 
1978 12 11.53 -23.71 -17.61 
1979 01 -8.84 -16.68 -12.76 
1979 02 19.02 -34.41 -26.72 
1979 03 -7.43 -20.75 -14.09 
1979 04  -.28 -12.83  -6.55 
1979 05 14.93   -.52   7.20 
1979 06 18.73   6.72  12.72 
1979 07 19.17   7.09  13.13 
1979 10  2.48  -5.86  -1.69 
1979 11 -3.15  -8.88  -6.01 
1979 12 20.67 -32.91 -26.79 
