1957 07  26.02   9.47  17.74 
1957 08  20.83   7.95  14.39 
1957 09  17.20   3.92  10.56 
1957 10   8.72  -3.94   2.39 
1957 11  -1.22  -9.17  -5.19 
1957 12  -6.97 -17.77 -12.37 
1958 01  -5.87 -15.86 -10.86 
1958 02 -10.25 -21.88 -16.06 
1958 03   -.62 -13.47  -7.04 
1958 04   8.77  -1.83   3.47 
1958 05  18.74   2.22  10.48 
1958 06  19.67   3.72  11.69 
1958 07  22.70   7.86  15.28 
1958 08  23.32   6.89  15.10 
1958 09  15.99   2.22   9.10 
1958 10  12.00  -2.71   4.64 
1958 11  -3.01 -13.69  -8.34 
1958 12  -8.77 -19.82 -14.29 
1959 01 -18.78 -29.52 -24.15 
1959 02  -7.98 -24.15 -16.06 
1959 03   2.09 -10.75  -4.32 
1959 04  10.38  -4.04   3.17 
1959 05  14.55   -.41   7.07 
1959 06  19.77   5.64  12.70 
1959 07  25.51   8.68  17.09 
1959 08  18.77   6.59  12.68 
1959 09  14.00   1.89   7.94 
1959 10   4.07  -4.73   -.32 
1959 11  -4.65 -13.27  -8.96 
1959 12  -3.13 -13.10  -8.11 
1960 01 -13.88 -25.32 -19.60 
1960 02  -9.46 -19.49 -14.47 
1960 03  -5.07 -17.82 -11.44 
1960 04   8.25  -2.64   2.80 
1960 05  15.42   2.64   9.03 
1960 06  18.09   6.75  12.42 
1960 07  24.84  10.12  17.48 
1960 08  21.91   8.04  14.97 
1960 09  17.27   3.52  10.39 
1960 10   9.54  -2.42   3.56 
1960 11  -3.17 -13.07  -8.12 
1960 12  -6.75 -16.61 -11.68 
1961 07  24.23   9.08  16.65 
1961 08  28.00   8.60  18.29 
1961 09  12.91  -1.32   5.79 
1961 10   8.21  -2.54   2.83 
1961 11  -3.80 -13.57  -8.68 
1961 12 -15.56 -27.03 -21.29 
1962 01 -10.87 -24.61 -17.74 
1962 02 -13.02 -27.12 -20.07 
1962 03  -4.34 -18.45 -11.39 
1962 04   7.86  -3.67   2.09 
1962 05  16.54   1.89   9.21 
1962 06  22.67   7.73  15.20 
1962 07  21.85   7.85  14.85 
1962 08  22.42   7.56  14.99 
1962 09  17.39   3.52  10.45 
1962 10  12.58   -.98   5.80 
1962 11   0.58  -7.47  -3.44 
1962 12  -8.22 -19.12 -13.67 
1963 01 -16.51 -28.40 -22.45 
1963 02  -9.33 -21.38 -15.35 
1963 03   -.79 -11.81  -6.30 
1963 04   8.63  -3.21   2.71 
1963 05  15.28   1.47   8.37 
1963 06  19.89   8.10  13.99 
1963 07  23.43  10.74  17.08 
1963 08  23.12   8.78  15.95 
1963 09  18.95   5.74  12.35 
1963 10  14.55   0.54   7.54 
1963 11  -2.04 -12.29  -7.16 
1963 12  -9.51 -19.79 -14.65 
1964 01  -9.35 -20.43 -14.89 
1964 02  -2.53 -14.50  -8.51 
1964 03  -7.37 -21.49 -14.43 
1964 04   8.53  -3.10   2.71 
1964 05  16.98   3.84  10.41 
1964 06  21.39   5.37  13.37 
1964 07  24.86  10.12  17.49 
1964 08  19.86   8.14  14.00 
1964 09  11.98   1.81   6.89 
1964 10  11.47  -1.64   4.91 
1964 11  -3.21 -11.62  -7.41 
1964 12 -17.01 -26.95 -21.98 
1965 01 -15.92 -28.11 -22.01 
1965 02 -13.37 -26.23 -19.79 
1965 03  -6.75 -21.50 -14.12 
1965 04   6.62  -3.22   1.70 
1965 05  14.84   1.77   8.30 
1965 06  18.82   7.46  13.14 
1965 07  23.88  10.00  16.93 
1965 08  22.45   8.45  15.45 
1965 09   9.76  -1.08   4.34 
1965 10  12.60  -1.09   5.75 
1965 11  -5.94 -14.39 -10.16 
1965 12  -7.99 -18.03 -13.01 
1966 01 -21.54 -32.82 -27.18 
1966 02  -9.16 -24.59 -16.87 
1966 03   -.93 -12.77  -6.85 
1966 04   3.93  -5.38   -.72 
1966 05  17.34   2.99  10.16 
1966 06  17.68   6.95  12.31 
1966 07  22.26   9.91  16.08 
1966 08  20.65   7.88  14.26 
1966 09  19.39   4.44  11.91 
1966 10   8.91  -3.10   2.90 
1966 11  -8.17 -17.48 -12.82 
1966 12  -9.10 -17.62 -13.36 
1967 01 -14.38 -24.56 -19.46 
1967 02  -9.43 -24.17 -16.79 
1967 03  -6.18 -18.45 -12.31 
1967 04   3.02  -8.56  -2.77 
1967 05  15.74   0.54   8.14 
1967 06  19.04   5.15  12.09 
1967 07  23.66   9.14  16.40 
1967 08  23.84   8.70  16.27 
1967 09  22.16   5.69  13.92 
1967 10   6.53  -2.09   2.21 
1967 11  -1.80  -9.52  -5.66 
1967 12  -8.96 -19.31 -14.13 
1968 02  -6.51 -18.17 -12.34 
1968 03   1.76  -7.76  -3.00 
1968 04   8.76  -3.95   2.40 
1968 05  15.73   2.57   9.14 
1968 06  21.08   6.08  13.58 
1968 07  22.69   8.89  15.79 
1968 08  18.36   7.03  12.69 
1968 09  14.51   5.15   9.83 
1968 10   8.17  -1.34   3.41 
1968 11  -0.07  -7.50  -3.78 
1969 02  -8.84 -20.41 -14.62 
1969 03  -3.20 -16.12  -9.66 
1969 04  11.78   -.64   5.57 
1969 05  15.44   2.44   8.93 
1969 06  19.74   4.21  11.97 
1969 07  21.72   8.37  15.04 
1969 08  23.99   9.31  16.65 
1969 09  14.30   4.69   9.49 
1969 10   3.16  -3.87   -.35 
1969 11   0.58  -9.57  -4.49 
1970 04   6.76  -3.92   1.42 
1970 05  15.82   2.32   9.07 
1970 06  22.61  10.44  16.52 
1970 07  22.33  11.30  16.81 
1970 08  22.39   8.13  15.26 
1970 09  16.67   2.33   9.50 
1970 10   7.78  -2.10   2.83 
1970 11  -6.49 -12.91  -9.70 
1971 04   8.68  -3.60   2.54 
1971 05  19.76   4.09  11.92 
1971 06  19.69   7.75  13.72 
