1974 01 11.95 -21.73 -16.84 
1974 02 -1.10 -11.97  -6.53 
1974 03   .58 -10.85  -5.13 
1974 06 17.29   4.48  10.88 
1974 07 18.03   6.98  12.50 
1974 08 22.92   9.22  16.07 
1974 09 19.00   6.60  12.80 
1974 10  9.20   1.02   5.10 
1974 11   . 5  -4.29  -2.11 
1974 12  -.25  -6.73  -3.49 
1975 01 -6.95 -16.20 -11.57 
1975 02 -7.85 -18.90 -13.37 
1975 03  -.33 -12.03  -6.18 
1975 04  7.08  -4.54   1.27 
1975 05 13.89   1.09   7.49 
1975 06 16.77   5.54  11.15 
1975 07 21.65   9.80  15.72 
1975 08 16.87   7.49  12.18 
1975 09 15.07   3.95   9.51 
1975 10  7.41    .66   4.03 
1975 11 -1.20  -7.58  -4.39 
1975 12 -3.59 -10.14  -6.86 
1976 01 -5.23 -13.64  -9.43 
1976 02 -2.83 -13.37  -8.10 
1976 03  1.04 -10.99  -4.97 
1976 06 15.66   5.33  10.49 
1976 07 17.71   7.05  12.38 
1976 08 17.95   8.83  13.39 
1976 09 15.88   5.02  10.45 
1976 10  7.86    .67   4.26 
1976 11  1.52  -3.76  -1.12 
1976 12 -1.33  -7.19  -4.26 
1977 01 -3.86  -9.37  -6.61 
1977 02  1.04  -5.55  -2.25 
1977 03  2.24  -8.57  -3.16 
1977 04  9.35    .-8   4.63 
1977 05 13.04   1.82   7.43 
1977 06 18.51   6.78  12.64 
1977 07 19.29  11.81  15.55 
1977 08 23.06   9.72  16.39 
1977 09 13.22   4.04   8.63 
1977 10  7.15    .45   3.80 
1977 11 -1.69  -7.70  -4.69 
1977 12 12.86 -19.66 -16.26 
1978 01 10.37 -18.48 -14.42 
1978 02 -2.11 -11.55  -6.83 
1978 03  2.52  -7.92  -2.70 
1978 04  8.83  -1.85   3.49 
1978 05 13.52   1.22   7.37 
1978 06 20.65   8.34  14.49 
1978 07 23.76  10.35  17.05 
1978 08 19.79   8.08  13.94 
1978 09 14.37   3.85   9.10 
1978 10  9.96   1.52   5.74 
1978 11 -1.83  -7.98  -4.90 
1978 12 -5.90 -12.90  -9.39 
1979 01 14.20 -23.21 -18.70 
1979 02 -8.81 -15.95 -12.38 
1979 03  4.60  -4.66    .-2 
1979 04  8.07  -3.04   2.51 
1979 05 11.63   1.84   6.73 
1979 06 17.71   5.65  11.68 
1979 07 22.58   9.29  15.93 
1979 08 23.20   9.41  16.30 
1979 09 16.52   5.24  10.88 
1979 10  9.14   1.71   5.42 
1979 11   .91  -5.43  -2.26 
1979 12 -2.64 -10.50  -6.57 
1980 01 10.34 -19.04 -14.69 
1980 02 -1.46 -10.48  -5.97 
1980 03  1.38  -7.70  -3.16 
