1957 01 -14.03 -23.48 -18.75 
1957 02  -6.84 -19.91 -13.37 
1957 03   2.40 -11.67  -4.63 
1957 04  12.38  -2.53   4.92 
1957 05  22.14   4.53  13.33 
1957 06  23.65   6.37  15.01 
1957 07  29.12   9.29  19.20 
1957 09  20.34   3.85  12.09 
1957 10   8.37  -5.98   1.19 
1957 11   1.44  -6.03  -2.29 
1957 12  -2.18 -12.03  -7.10 
1958 01  -3.53 -11.83  -7.68 
1958 02  -8.80 -19.34 -14.07 
1958 03  -2.47 -13.07  -7.77 
1958 04  10.70  -2.28   4.21 
1958 05  22.87   4.01  13.44 
1958 06  22.31   6.09  14.20 
1958 07  26.65   9.09  17.86 
1958 08  28.64  10.39  19.51 
1958 09  20.18   2.97  11.57 
1958 10  15.64  -2.73   6.45 
1958 11   -.38 -12.96  -6.67 
1958 12  -7.04 -16.65 -11.84 
1959 01 -13.65 -24.10 -18.87 
1959 02  -7.73 -20.99 -14.36 
1959 03   5.32  -5.70   -.18 
1959 04  11.85  -3.76   4.04 
1959 05  16.18   -.31   7.93 
1959 06  23.60   8.02  15.81 
1959 07  28.43   9.51  18.97 
1959 08  23.66   7.67  15.66 
1959 09  17.54   2.98  10.26 
1959 10   7.59  -3.99   1.80 
1959 11  -2.38 -13.23  -7.80 
1959 12   -.42 -11.33  -5.87 
1960 01  -8.39 -20.82 -14.61 
1960 02  -5.81 -17.36 -11.58 
1960 03  -1.68 -15.49  -8.58 
1960 04  11.61  -2.03   4.79 
1960 05  17.73   2.65  10.18 
1960 06  22.85   6.14  14.49 
1960 07  31.20  14.10  22.65 
1960 08  25.67   9.75  17.70 
1960 09  20.97   3.51  12.24 
1960 10  13.91  -1.86   6.02 
1960 11   -.94 -11.76  -6.35 
1960 12  -4.29 -14.45  -9.37 
1961 01  -4.39 -15.16  -9.77 
1961 02  -4.79 -16.71 -10.75 
1961 03   2.71  -8.12  -2.70 
1961 04   9.46  -3.87   2.79 
1961 05  19.58   3.98  11.78 
1961 06  28.64   9.43  19.03 
1961 08  30.84  10.61  20.72 
1961 09  17.06   -.24   8.41 
1961 10   9.85  -3.30   3.27 
1961 11  -1.70 -12.19  -6.94 
1961 12 -11.48 -24.07 -17.77 
1962 01  -6.83 -20.73 -13.78 
1962 02 -11.99 -22.16 -17.07 
1962 03  -4.84 -17.87 -11.36 
1962 04  14.39  -1.02   6.68 
1962 05  19.39   2.33  10.86 
1962 06  24.92   9.79  17.35 
1962 07  23.77   9.72  16.74 
1962 08  23.86   9.58  16.72 
1962 09  19.04   3.48  11.26 
1962 10  14.99   -.97   7.01 
1962 11   5.89  -5.72   0.08 
1962 12  -3.03 -13.78  -8.40 
1963 01 -10.78 -24.15 -17.46 
1963 02  -3.35 -12.75  -8.05 
1963 03   4.83  -6.88  -1.02 
1963 04  11.52  -2.05   4.73 
1963 05  17.36   2.18   9.77 
1963 06  22.60   9.55  16.07 
1963 07  27.00  11.11  19.05 
1963 08  26.16   9.35  17.75 
1963 09  23.27   6.47  14.87 
1963 10  17.21   -.41   8.40 
1963 11   1.07 -12.01  -5.47 
1963 12  -7.16 -18.29 -12.72 
1964 01  -6.31 -16.73 -11.52 
1964 02   0.92 -11.66  -5.37 
1964 03   -.43 -12.87  -6.65 
1964 04  12.10  -3.63   4.23 
1964 05  19.62   4.35  11.98 
1964 06  23.01   7.99  15.50 
1964 07  28.88  11.35  20.11 
1964 08  24.05   8.74  16.39 
1964 09  14.19   2.75   8.46 
1964 10  14.34  -1.50   6.42 
1964 11   -.19  -9.80  -4.99 
1964 12 -16.45 -25.90 -21.17 
1965 01 -12.42 -22.78 -17.60 
1965 02  -8.02 -21.41 -14.71 
1965 03  -7.30 -20.04 -13.67 
1965 04   7.26  -2.87   2.19 
1965 05  16.95   2.77   9.86 
1965 06  20.92   8.12  14.52 
1965 07  25.92  11.48  18.70 
1965 08  25.79  11.22  18.50 
1965 09  11.43   -.14   5.64 
1965 10  15.72  -1.51   7.10 
1965 11  -3.96 -13.86  -8.91 
1965 12  -5.89 -16.12 -11.00 
1966 01 -19.67 -29.06 -24.36 
1966 02  -8.06 -20.36 -14.21 
1966 03   2.69 -10.22  -3.76 
1966 04   9.09  -4.83   2.13 
1966 05  21.13   2.86  11.99 
1966 06  19.70   7.42  13.56 
1966 07  24.86  10.59  17.72 
1966 08  23.85   8.22  16.04 
1966 09  22.59   5.76  14.17 
1966 10  10.34  -2.65   3.84 
1966 11  -5.08 -15.82 -10.45 
1966 12  -7.07 -18.06 -12.56 
1967 01 -11.93 -22.80 -17.36 
1967 02  -5.99 -20.50 -13.24 
1967 03  -5.15 -17.52 -11.33 
1967 04   2.58  -7.11  -2.26 
1967 05  16.87   2.07   9.47 
1967 06  20.65   6.94  13.79 
1967 07  28.10   9.76  18.93 
1967 08  27.58  10.09  18.83 
1967 09  24.96   6.68  15.82 
1967 10  11.71  -1.33   5.19 
1967 11   1.96  -9.21  -3.62 
1967 12  -6.92 -17.23 -12.07 
1968 01  -9.64 -20.65 -15.15 
1968 02  -1.82 -14.40  -8.10 
1968 03   7.48  -5.30   1.08 
1968 04  11.29  -4.13   3.58 
1968 05  17.73   1.85   9.79 
1968 06  22.20   7.17  14.68 
1968 07  25.08   9.62  17.35 
1968 08  21.58   7.51  14.54 
1968 09  17.60   4.50  11.05 
1968 10  11.00  -1.94   4.52 
1968 11   3.36  -6.60  -1.62 
1968 12 -10.82 -19.10 -14.96 
1969 01 -23.62 -33.43 -28.53 
1969 02  -9.27 -20.74 -15.00 
1969 03  -5.28 -16.75 -11.01 
1969 04  12.43   -.56   5.93 
1969 05  18.53   3.48  11.00 
1969 06  22.44   6.73  14.58 
1969 07  24.82   9.12  16.96 
1969 08  26.95   8.72  17.83 
1969 09  17.78   5.07  11.42 
1969 10   4.76  -4.35   0.20 
1969 11   1.98  -8.72  -3.37 
1969 12  -4.32 -13.20  -8.76 
1970 01 -14.86 -23.38 -19.11 
1970 02  -6.03 -16.56 -11.29 
1970 03  -6.17 -15.71 -10.94 
1970 04   7.30  -2.89   2.20 
1970 05  16.48   3.04   9.76 
1970 06  25.15  10.72  17.93 
1970 07  25.39  11.31  18.35 
1970 08  26.59   8.55  17.57 
1970 09  17.24   2.73   9.98 
1970 10   9.10  -3.04   3.03 
1970 11  -6.12 -13.19  -9.65 
1970 12 -12.61 -23.41 -18.01 
1971 01 -16.83 -24.56 -20.69 
1971 02  -6.52 -17.84 -12.18 
1971 03  -4.42 -14.84  -9.63 
1971 04   7.89  -3.37   2.26 
1971 05  19.85   4.29  12.07 
1971 06  22.10   8.63  15.36 
1971 07  23.82   9.00  16.41 
1971 08  28.85  11.66  20.25 
1971 09  17.02   2.33   9.67 
1971 10  10.69  -4.21   3.23 
1971 11   -.66  -9.83  -5.24 
1971 12 -13.48 -24.61 -19.04 
