1959 01 -28.52 -35.34 -31.93 
1959 02 -24.10 -32.71 -28.40 
1959 03 -22.30 -31.02 -26.66 
1959 04 -13.26 -23.50 -18.38 
1959 05  -6.06 -17.74 -11.90 
1959 06   2.66  -2.61   0.02 
1959 07  11.12   2.02   6.57 
1959 08   7.51   1.69   4.60 
1959 09   4.36   -.29   2.03 
1959 10  -8.51 -14.35 -11.43 
1959 11 -17.78 -26.01 -21.89 
1959 12 -17.34 -27.44 -22.39 
1960 01 -27.08 -36.20 -31.64 
1960 02 -26.22 -33.53 -29.87 
1960 03 -25.54 -34.37 -29.95 
1960 04 -11.51 -21.15 -16.33 
1960 05  -1.17  -6.92  -4.05 
1960 06  13.13   2.52   7.82 
1960 07  13.53   2.46   7.99 
1960 08  12.04   5.86   8.95 
1960 09   3.29   -.47   1.41 
1960 10  -6.61 -12.33  -9.47 
1960 11 -21.28 -28.26 -24.77 
1960 12 -22.22 -30.50 -26.36 
1961 01 -29.57 -36.11 -32.84 
1961 02 -26.40 -34.02 -30.21 
1961 03 -27.29 -36.37 -31.83 
1961 04 -16.48 -27.52 -22.00 
1961 05  -3.65 -12.29  -7.97 
1961 06  12.08   1.40   6.74 
1961 07  17.62   7.36  12.49 
1961 08  11.60   5.15   8.37 
1961 09   1.26  -3.35  -1.04 
1961 10  -8.39 -15.33 -11.86 
1961 11 -15.89 -24.56 -20.22 
1961 12 -29.25 -35.81 -32.53 
1962 01 -26.49 -35.70 -31.09 
1962 02 -32.75 -39.39 -36.07 
1962 03 -23.81 -32.56 -28.18 
1962 04 -13.78 -25.81 -19.79 
1962 05  -5.00 -16.12 -10.56 
1962 06  10.92   1.01   5.96 
1962 07  14.36   4.71   9.54 
1962 08  13.52   5.13   9.32 
1962 09   5.70   -.17   2.76 
1962 10  -3.45  -8.39  -5.92 
1962 11 -18.66 -26.37 -22.51 
1962 12 -22.13 -30.25 -26.18 
1963 01 -28.78 -35.72 -32.25 
1963 02 -25.98 -33.65 -29.81 
1963 03 -26.53 -37.21 -31.87 
1963 04  -8.50 -19.23 -13.86 
1963 05  -2.31 -11.27  -6.79 
1963 06   9.10   0.78   4.94 
1963 07  14.08   4.23   9.16 
1963 08  12.27   6.25   9.26 
1963 09   3.74   -.81   1.46 
1963 10  -2.11  -6.59  -4.35 
1963 11 -16.75 -21.84 -19.29 
1963 12 -19.87 -28.14 -24.00 
1964 01 -31.00 -36.38 -33.69 
1964 02 -26.87 -33.79 -30.33 
1964 03 -28.34 -36.39 -32.36 
1964 04 -15.79 -24.76 -20.27 
1964 05   -.86  -7.29  -4.07 
1964 06   6.51   -.58   2.96 
1964 07  16.43   5.00  10.71 
1964 08  14.32   6.33  10.32 
1964 09   4.81   -.88   1.96 
1964 10  -3.97  -9.10  -6.53 
1964 11 -14.49 -21.44 -17.96 
1964 12 -25.66 -32.34 -29.00 
1965 01 -27.57 -35.64 -31.60 
1965 02 -35.72 -41.33 -38.52 
1965 03 -19.04 -28.59 -23.82 
1965 04 -10.24 -20.54 -15.39 
1965 05   -.67 -11.16  -5.91 
1965 06   6.49  -1.34   2.57 
1965 07  15.47   3.21   9.34 
1965 08  13.19   3.93   8.55 
1965 09   1.51  -4.35  -1.42 
1965 10  -4.98 -11.69  -8.33 
1965 11 -16.03 -24.39 -20.20 
1965 12 -24.01 -30.94 -27.47 
1966 01 -35.84 -41.17 -38.50 
1966 02 -27.06 -34.57 -30.81 
1966 03 -20.98 -31.42 -26.20 
1966 04 -14.74 -28.38 -21.56 
1966 05   -.19  -6.73  -3.46 
1966 06  13.49   2.13   7.81 
1966 07  16.43   6.42  11.42 
1966 08  14.80   6.72  10.76 
1966 09   7.08   1.71   4.39 
1966 10  -8.89 -14.01 -11.45 
1966 11 -22.15 -28.57 -25.36 
1966 12 -21.56 -28.50 -25.03 
1967 01 -28.01 -34.68 -31.34 
1967 02 -31.02 -37.08 -34.05 
1967 03 -23.90 -33.47 -28.68 
1967 04 -12.81 -25.08 -18.94 
1967 05  -2.84 -13.46  -8.14 
1967 06   5.76  -2.98   1.39 
1967 07  13.73   3.16   8.44 
1967 08  12.58   3.65   8.11 
1967 09   5.88   -.55   2.66 
1967 10  -2.89  -6.68  -4.78 
1967 11 -13.73 -23.77 -18.75 
1967 12 -20.81 -28.15 -24.48 
1968 01 -30.05 -37.08 -33.56 
1968 02 -23.45 -32.48 -27.96 
1968 03 -16.95 -26.10 -21.53 
1968 04 -13.98 -25.28 -19.63 
1968 05  -2.08 -10.84  -6.46 
1968 06   8.93   0.38   4.65 
1968 07  11.69   3.32   7.50 
1968 08  11.21   3.68   7.44 
1968 09   5.34   0.41   2.87 
1968 10  -2.73  -7.20  -4.96 
1968 11 -13.76 -21.01 -17.38 
1968 12 -24.17 -31.35 -27.76 
1969 01 -30.49 -36.99 -33.74 
1969 02 -20.81 -30.04 -25.42 
1969 03 -20.75 -30.48 -25.61 
1969 04  -8.97 -19.34 -14.16 
1969 05  -3.64 -13.30  -8.47 
1969 06   4.09  -3.04   0.52 
1969 07  15.34   3.23   9.28 
1969 08  12.98   5.64   9.30 
1969 09   4.60  -1.02   1.79 
1969 10  -1.77  -7.71  -4.73 
1969 11 -17.06 -23.93 -20.49 
1969 12 -16.40 -24.60 -20.50 
1970 01 -27.05 -33.43 -30.24 
1970 02 -27.98 -35.68 -31.83 
1970 03 -20.95 -31.26 -26.10 
1970 04 -10.29 -20.04 -15.16 
1970 05  -2.83 -13.83  -8.33 
1970 06  10.85   0.83   5.84 
1970 07  16.35   5.04  10.69 
1970 08  12.74   5.26   9.00 
1970 09   4.33   -.97   1.68 
1970 10  -3.80  -9.22  -6.51 
1970 11 -18.00 -26.34 -22.17 
1970 12 -30.22 -37.75 -33.98 
1971 01 -28.65 -36.00 -32.32 
1971 02 -25.44 -32.48 -28.96 
1971 03 -20.81 -30.39 -25.59 
1971 04 -11.00 -20.21 -15.61 
1971 05   1.29  -7.24  -2.97 
1971 06  11.56   0.66   6.11 
1971 07  14.77   4.37   9.57 
1971 08  13.08   5.15   9.11 
1971 09   5.84   0.52   3.18 
1971 10  -2.87  -7.20  -5.03 
1971 11 -18.86 -25.32 -22.09 
1971 12 -25.92 -32.16 -29.04 
1972 01 -31.45 -37.56 -34.50 
1972 02 -31.65 -38.59 -35.12 
1972 03 -19.70 -29.95 -24.83 
1972 04 -15.49 -27.28 -21.38 
1972 05  -1.63 -11.85  -6.74 
1972 06   8.72   -.45   4.14 
1972 07  14.14   3.57   8.85 
1972 08  12.96   5.61   9.28 
1972 09   0.32  -4.69  -2.18 
1972 10  -7.78 -15.54 -11.66 
1972 11 -17.23 -24.61 -20.92 
1972 12 -25.75 -32.50 -29.12 
1973 01 -24.29 -33.57 -28.93 
1973 02 -26.58 -34.70 -30.64 
1973 03 -21.75 -32.24 -26.99 
1973 04 -11.44 -21.45 -16.44 
1973 05   5.23  -4.38   0.42 
1973 06  15.55   1.89   8.72 
1973 07  18.20   7.47  12.83 
1973 08  14.13   7.20  10.66 
1973 09   9.22   2.02   5.62 
1973 10   -.68  -5.11  -2.89 
1973 11 -16.92 -22.19 -19.55 
1973 12 -23.71 -29.22 -26.46 
1974 01 -28.58 -34.00 -31.29 
1974 02 -27.69 -34.84 -31.26 
1974 03 -25.55 -34.00 -29.77 
1974 04 -13.33 -25.56 -19.44 
1974 05   0.02  -8.03  -4.00 
1974 06  12.21   1.26   6.73 
1974 07  15.91   6.23  11.07 
1974 08  11.48   4.10   7.79 
1974 09   2.08  -2.77   -.34 
1974 10 -10.85 -17.33 -14.09 
1974 11 -14.17 -22.47 -18.32 
1974 12 -22.48 -29.34 -25.91 
1975 01 -33.25 -40.99 -37.12 
1975 02 -25.81 -33.68 -29.75 
1975 03 -23.42 -32.37 -27.89 
1975 04  -7.21 -16.81 -12.01 
1975 05   1.10  -4.83  -1.86 
1975 06  12.89   1.77   7.33 
1975 07  15.57   5.92  10.74 
1975 08  15.59   5.94  10.76 
1975 09   7.42   0.52   3.97 
1975 10  -4.91 -10.21  -7.56 
1975 11 -17.18 -24.14 -20.66 
1975 12 -25.49 -31.64 -28.56 
1976 01 -27.44 -35.31 -31.37 
1976 02 -27.42 -35.16 -31.29 
1976 03 -24.20 -33.34 -28.77 
1976 04  -4.73 -13.81  -9.27 
1976 05   2.11  -5.01  -1.44 
1976 06   9.67   0.22   4.94 
1976 07  17.25   6.70  11.97 
1976 08  12.75   5.28   9.01 
1976 09   6.37   1.10   3.73 
1976 10  -3.99  -8.58  -6.28 
1976 11 -14.58 -22.44 -18.51 
1976 12 -26.76 -34.25 -30.50 
1977 01 -23.85 -31.79 -27.82 
1977 02 -21.14 -29.14 -25.14 
1977 03 -21.65 -29.75 -25.70 
1977 04  -9.89 -21.21 -15.55 
1977 05   0.26  -6.77  -3.25 
1977 06  11.23   1.01   6.12 
1977 07  14.05   5.81   9.93 
1977 08  10.02   4.50   7.26 
1977 09   7.43   1.63   4.52 
1977 10  -3.29  -8.52  -5.90 
1977 11 -16.40 -24.36 -20.38 
1977 12 -26.89 -32.99 -29.94 
1978 01 -26.22 -33.09 -29.66 
1978 02 -20.70 -28.47 -24.58 
1978 03 -22.94 -32.74 -27.84 
1978 04 -13.26 -23.82 -18.54 
1978 05  -4.19 -12.39  -8.29 
1978 06   4.91  -2.57   1.16 
1978 07   9.29   1.69   5.49 
1978 08  10.25   2.55   6.40 
1978 09   4.23  -0.04   2.09 
1978 10 -10.84 -17.34 -14.09 
1978 11 -18.31 -26.02 -22.16 
1978 12 -25.08 -29.82 -27.45 
1979 01 -23.48 -31.70 -27.59 
1979 02 -36.31 -41.98 -39.14 
1979 03 -26.67 -36.87 -31.77 
1979 04 -13.98 -25.14 -19.56 
1979 05  -2.57 -11.91  -7.24 
1979 06   5.64  -2.45   1.59 
1979 07  15.44   4.23   9.84 
1979 08   9.92   2.61   6.26 
1979 09   4.11  -1.91   1.10 
1979 10  -5.81 -11.25  -8.53 
1979 11 -11.72 -20.72 -16.21 
1979 12 -20.99 -29.83 -25.41 
1980 01 -27.91 -35.89 -31.90 
1980 02 -20.19 -28.91 -24.55 
1980 03 -21.96 -31.06 -26.50 
1980 04  -9.49 -19.37 -14.43 
1980 05   2.41  -5.16  -1.37 
1980 06   9.29   0.16   4.72 
1980 07  13.63   4.94   9.28 
1980 08  14.33   6.53  10.43 
1980 09   3.00  -1.94   0.52 
1980 10  -3.98  -9.53  -6.75 
1980 11 -18.28 -27.10 -22.69 
1980 12 -28.42 -34.45 -31.43 
1981 01 -16.40 -24.69 -20.54 
1981 02 -23.41 -32.11 -27.76 
1981 03 -16.41 -27.09 -21.75 
1981 04 -14.42 -25.07 -19.74 
1981 05   0.62  -7.58  -3.48 
1981 06   9.42   0.49   4.95 
1981 07  13.97   4.92   9.45 
1981 08  15.01   7.10  11.05 
1981 09   3.68   -.51   1.58 
1981 10  -3.89  -8.58  -6.23 
1981 11 -14.48 -21.72 -18.09 
1981 12 -20.72 -27.81 -24.26 
