1964 10 15.91   -.64   7.63 
1964 11  2.56  -9.78  -3.61 
1964 12 14.02 -25.18 -19.60 
1965 01 11.18 -22.43 -16.80 
1965 02 -5.66 -19.76 -12.71 
1965 03 -5.93 -19.17 -12.55 
1965 04  8.82  -3.05   2.88 
1965 05 16.82   3.93  10.37 
1965 06 21.29   9.18  15.23 
1965 07 25.87  12.40  19.13 
1965 08 25.85  11.33  18.59 
1965 09 11.43    .49   5.96 
1965 10 16.95   -.17   8.39 
1965 11 -1.61 -14.73  -8.17 
1965 12 -4.92 -14.48  -9.70 
1966 01 14.73 -26.70 -20.71 
1966 02 -6.20 -17.96 -12.08 
1966 03  4.87  -7.60  -1.36 
1966 04  7.95  -3.73   2.10 
1966 05 20.71   4.25  12.48 
1966 06 20.24   8.62  14.43 
1966 07 25.54  11.42  18.48 
1966 08 24.02   8.42  16.22 
1966 09 23.33   6.25  14.79 
1966 10 12.73  -2.78   4.97 
1966 11 -2.09 -14.88  -8.49 
1966 12 -4.17 -15.94 -10.05 
1967 01 -7.95 -20.51 -14.23 
1967 02 -5.20 -18.33 -11.76 
1967 03 -3.47 -14.86  -9.16 
1967 04  4.77  -5.66   -.44 
1967 05 16.66   2.94   9.80 
1967 06 22.20   7.19  14.69 
1967 07 28.24  10.48  19.36 
1967 08 27.92  10.39  19.15 
1967 09 24.50   6.70  15.60 
1967 10 12.73    . 1   6.37 
1967 11  3.17  -7.45  -2.13 
1967 12 -4.46 -16.04 -10.25 
1968 01 -6.86 -18.98 -12.92 
1968 02  -.76 -13.23  -6.99 
1968 03  7.35  -4.36   1.49 
1968 04 12.64  -2.54   5.05 
1968 05 17.07   2.74   9.90 
1968 06 21.83   8.14  14.99 
1968 07 26.59   9.57  18.08 
1968 08 23.14   7.15  15.14 
1968 09 19.07   5.57  12.32 
1968 10 13.27   -.91   6.18 
1968 11  4.36  -6.95  -1.29 
1968 12 -8.45 -18.74 -13.59 
1969 01 19.45 -31.87 -25.66 
1969 02 -7.26 -20.68 -13.97 
1969 03 -3.38 -15.76  -9.57 
1969 04 13.57    .48   7.02 
1969 05 19.11   4.08  11.59 
1969 06 22.07   6.34  14.20 
1969 07 25.38  10.17  17.77 
1969 08 29.46   9.83  19.64 
1969 09 20.86   5.24  13.05 
1969 10  5.44  -3.27   1.08 
1969 11  5.75  -6.00   -.12 
1969 12  -.39 -10.34  -5.36 
1970 01 11.36 -21.92 -16.64 
1970 02 -3.09 -16.03  -9.56 
1970 03 -1.69 -13.14  -7.41 
1970 04  8.59  -1.72   3.43 
1970 05 17.56   3.32  10.44 
1970 06 25.70  11.82  18.76 
1970 07 26.74  11.90  19.32 
1970 08 28.23   8.75  18.49 
1970 09 18.52   3.58  11.05 
1970 10 11.02  -2.02   4.50 
1970 11 -1.76 -10.37  -6.06 
1970 12 -7.37 -20.04 -13.70 
1971 01 12.51 -23.26 -17.88 
1971 02 -3.70 -15.12  -9.41 
1971 03  -.61 -11.10  -5.85 
1971 04 11.70  -1.09   5.30 
1971 05 20.95   3.75  12.35 
1971 06 23.13   9.07  16.09 
1971 07 25.17   9.52  17.34 
1971 08 31.45  11.44  21.44 
1971 09 19.01   3.12  11.06 
1971 10 11.95  -2.21   4.87 
1971 11  2.44  -7.05  -2.30 
1971 12 -8.39 -21.78 -15.09 
1972 01 11.83 -24.18 -18.00 
1972 02 -9.68 -20.54 -15.11 
1972 03  2.84 -10.50  -3.83 
1972 04 13.18  -2.59   5.29 
1972 05 20.61   3.98  12.29 
1972 06 25.10  10.02  17.56 
1972 07 23.55   8.38  15.96 
1972 08 28.42  11.92  20.17 
1972 09 15.41    .74   8.07 
1972 10 10.34  -3.35   3.49 
1972 11  2.76  -5.75  -1.49 
1972 12 -8.96 -20.45 -14.70 
1973 01 -2.62 -13.48  -8.04 
1973 02 -2.32 -14.09  -8.20 
1973 03  9.24  -4.63   2.30 
1973 04  9.31  -2.02   3.64 
1973 05 20.11   3.19  11.65 
1973 06 24.56   8.60  16.58 
1973 07 27.84   9.35  18.59 
1973 08 28.17  10.78  19.47 
1973 09 20.07   4.34  12.20 
1973 10 15.06   -.75   7.15 
1973 11 -4.35 -14.94  -9.64 
1973 12 -5.48 -15.25 -10.36 
1974 01 -9.09 -22.50 -15.79 
1974 02 -3.39 -16.06  -9.72 
1974 03 -3.05 -15.81  -9.43 
1974 04 10.78   -.85   4.96 
1974 05 14.97   3.01   8.99 
1974 06 24.77   9.71  17.24 
1974 07 26.40  12.27  19.33 
1974 08 21.85   8.93  15.39 
1974 10 16.68   -.31   8.18 
1974 11  5.60  -7.76  -1.08 
1974 12  1.31 -10.21  -4.44 
1975 01 -4.59 -16.46 -10.53 
1975 02 -8.47 -19.76 -14.12 
1975 03 -1.65 -11.86  -6.75 
