1956 02  -7.49 -20.08 -13.78 
1956 03   -.61 -12.33  -6.47 
1956 04   8.71  -5.06   1.82 
1956 05  18.34   4.31  11.32 
1956 06  24.27   9.60  16.93 
1956 07  24.70  11.09  17.89 
1956 08  25.62   8.59  17.10 
1956 09  19.04   4.39  11.71 
1956 10  11.56  -1.59   4.98 
1956 11   3.79  -6.91  -1.56 
1956 12  -4.60 -15.56 -10.08 
1957 01 -13.04 -23.11 -18.07 
1957 02  -6.08 -16.89 -11.48 
1957 03   1.77 -10.40  -4.31 
1957 04  10.69  -2.67   4.00 
1957 05  20.60   4.75  12.67 
1957 06  21.82   8.35  15.08 
1957 07  27.38  11.57  19.47 
1957 08  24.11   9.57  16.84 
1957 09  20.12   5.27  12.69 
1957 10   8.83  -2.40   3.21 
1957 11   1.85  -6.82  -2.48 
1957 12   -.24 -11.27  -5.75 
1958 01  -1.13 -10.83  -5.98 
1958 02  -7.10 -17.82 -12.46 
1958 03   0.33 -11.41  -5.54 
1958 04  12.92   -.96   5.98 
1958 05  22.19   5.10  13.64 
1958 06  21.89   6.50  14.19 
1958 07  24.58   9.97  17.27 
1958 08  27.22  11.36  19.28 
1958 09  18.43   4.83  11.63 
1958 10  13.86   -.82   6.52 
1958 11   0.94  -9.84  -4.45 
1958 12  -3.67 -14.28  -8.97 
1959 01 -11.27 -20.67 -15.97 
1959 02  -6.63 -19.82 -13.22 
1959 03   6.75  -4.42   1.16 
1959 04  11.93  -3.02   4.45 
1959 05  15.35   1.59   8.47 
1959 06  23.53   9.49  16.51 
1959 07  26.07  11.70  18.88 
1959 08  25.14   9.03  17.08 
1959 09  16.87   4.39  10.63 
1959 10   7.17  -2.28   2.44 
1959 11  -2.15 -10.94  -6.54 
1959 12   -.64  -9.27  -4.95 
1960 01  -8.59 -19.37 -13.98 
1960 02  -6.34 -15.58 -10.96 
1960 03   0.43 -11.99  -5.78 
1960 04  10.76  -1.97   4.39 
1960 05  17.58   3.98  10.78 
1960 06  21.16   7.69  14.42 
1960 07  28.66  12.79  20.72 
1960 08  24.49  10.65  17.57 
1960 09  21.53   5.65  13.59 
1960 10  13.45   -.21   6.62 
1960 11   -.21  -8.72  -4.46 
1960 12  -3.45 -12.54  -7.99 
1961 01  -4.11 -12.33  -8.22 
1961 02  -1.29 -12.20  -6.74 
1961 03   4.86  -5.00  -0.06 
1961 04   8.50  -4.33   2.08 
1961 05  18.12   5.00  11.56 
1961 06  27.50  11.38  19.44 
1961 07  27.39  11.41  19.40 
1961 08  30.04  12.11  21.07 
1961 09  16.36   1.92   9.14 
1961 10  11.25  -1.10   5.07 
1961 11   1.07  -9.80  -4.36 
1961 12  -8.92 -20.49 -14.70 
1962 01  -6.47 -17.04 -11.75 
1962 02 -10.36 -18.10 -14.23 
1962 03  -3.86 -13.53  -8.69 
1962 04  13.66   0.19   6.92 
1962 05  16.54   4.17  10.35 
1962 06  23.48  10.29  16.88 
1962 07  23.84   9.64  16.74 
1962 08  24.41  10.56  17.48 
1962 09  19.17   4.21  11.69 
1962 10  13.79   2.29   8.04 
1962 11   7.17  -2.81   2.18 
1962 12   -.78 -12.18  -6.48 
1963 01 -11.54 -23.42 -17.48 
1963 02  -2.71 -12.72  -7.71 
1963 03   4.23  -5.71   -.73 
1963 04  11.37   -.99   5.19 
1963 05  16.37   3.23   9.80 
1963 06  21.18   9.93  15.55 
1963 07  27.08  12.16  19.61 
1963 08  26.54  11.33  18.93 
1963 09  23.92   8.13  16.02 
1963 10  18.14   3.38  10.76 
1963 11   4.19  -8.16  -1.98 
1963 12  -5.68 -15.03 -10.35 
1964 01  -2.88 -13.43  -8.15 
1964 02   0.24  -9.93  -4.85 
1964 03   -.78 -12.85  -6.81 
1964 04  11.96   -.91   5.52 
1964 05  18.76   4.79  11.77 
1964 06  22.10   8.12  15.11 
1964 07  28.30  12.96  20.63 
1964 08  24.07   9.77  16.92 
1964 09  14.78   4.21   9.49 
1964 10  14.88   0.34   7.61 
1964 11   1.74  -9.14  -3.70 
1964 12 -13.89 -22.83 -18.36 
1965 01 -10.81 -20.46 -15.64 
1965 02  -5.54 -17.40 -11.46 
1965 03  -6.95 -17.14 -12.04 
1965 04   8.30  -1.83   3.23 
1965 05  15.75   4.05   9.89 
1965 06  20.65   9.33  14.99 
1965 07  25.39  12.25  18.82 
1965 08  24.58  11.88  18.23 
1965 09  10.50   1.33   5.91 
1965 10  15.85   1.42   8.63 
1965 11  -1.49 -11.08  -6.28 
1965 12  -4.63 -11.79  -8.21 
1966 01 -14.60 -25.02 -19.81 
1966 02  -6.36 -15.81 -11.08 
1966 03   4.96  -5.70   -.36 
1966 04   6.61  -3.94   1.33 
1966 05  19.48   4.80  12.14 
1966 06  20.24   8.37  14.30 
1966 07  25.21  11.85  18.52 
1966 08  23.57   8.79  16.18 
1966 09  22.81   7.47  15.14 
1966 10  11.91   -.85   5.53 
1966 11  -3.10 -12.89  -7.99 
1966 12  -3.53 -12.50  -8.01 
1967 01  -7.16 -18.29 -12.73 
1967 02  -4.69 -16.49 -10.59 
1967 03  -3.68 -12.19  -7.93 
1967 04   4.44  -5.41   -.48 
1967 05  15.98   3.02   9.50 
1967 06  21.06   6.98  14.02 
1967 07  27.83  10.76  19.29 
1967 08  27.31  11.11  19.20 
1967 09  23.30   8.25  15.77 
1967 10  11.53   0.67   6.10 
1967 11   1.92  -7.35  -2.71 
1967 12  -5.77 -15.26 -10.51 
1968 01  -7.61 -17.77 -12.69 
1968 02  -2.36 -12.49  -7.43 
1968 03   6.84  -3.82   1.51 
1968 04  11.88  -2.67   4.60 
1968 05  16.66   2.97   9.81 
1968 06  21.18   8.54  14.86 
1968 07  26.64  10.55  18.59 
1968 08  22.44   8.57  15.50 
1968 09  18.34   6.33  12.33 
1968 10  12.45   0.15   6.30 
1968 11   3.52  -5.59  -1.03 
1968 12  -9.10 -17.56 -13.33 
1969 01 -19.15 -28.54 -23.84 
1969 02  -7.28 -17.07 -12.17 
1969 03  -3.24 -13.10  -8.17 
1969 04  13.68   1.20   7.44 
1969 05  17.73   4.11  10.92 
1969 06  20.93   6.21  13.57 
1969 07  24.25  10.16  17.20 
1969 08  29.07  11.29  20.18 
1969 09  20.37   5.85  13.11 
1969 10   4.40  -3.32   0.54 
1969 11   5.01  -5.13  -0.05 
1969 12  -1.49  -9.89  -5.69 
1970 01 -11.54 -19.81 -15.67 
1970 02  -3.51 -14.30  -8.90 
1970 03  -2.84 -12.17  -7.50 
1970 04   7.09  -1.96   2.56 
1970 05  16.20   3.26   9.73 
1970 06  24.97  11.72  18.34 
1970 07  25.74  12.33  19.03 
1970 08  27.56   9.59  18.57 
1970 09  17.91   4.25  11.08 
1970 10   9.67  -1.75   3.96 
1970 11  -2.47  -9.85  -6.16 
1970 12  -7.25 -18.82 -13.03 
1971 01 -12.42 -21.38 -16.90 
1971 02  -4.42 -13.47  -8.95 
1971 03  -1.45  -9.97  -5.71 
1971 04  10.60  -1.11   4.74 
1971 05  20.10   4.38  12.24 
1971 06  22.42   9.10  15.76 
1971 07  24.40   9.47  16.93 
1971 08  30.95  12.53  21.74 
1971 09  18.48   4.41  11.44 
1971 10  10.99  -1.36   4.81 
1971 11   2.05  -6.66  -2.30 
1971 12  -8.76 -20.37 -14.56 
