1973 09 18.20   8.21  13.20 
1973 10 12.39   3.55   7.97 
1973 11  5.72  -1.56   2.08 
1973 12  6.29  -3.47   1.41 
1974 01 -2.88 -12.48  -7.68 
1974 02 -2.33 -14.05  -8.19 
1974 03  2.63  -7.42  -2.39 
1974 04  7.86    .50   4.18 
1974 05 10.22   3.03   6.62 
1974 06 20.65  10.83  15.74 
1974 07 21.13  13.49  17.31 
1974 08 24.20  14.16  19.18 
1974 09 18.36   8.84  13.60 
1974 10 11.11   1.63   6.37 
1974 11  6.61    .31   3.46 
1974 12  2.16  -5.18  -1.50 
1975 01 -1.35 -10.63  -5.99 
1975 02 -4.41 -15.22  -9.81 
1975 03  1.26  -7.95  -3.34 
1975 04  5.40  -1.62   1.89 
1975 05 14.15   3.91   9.03 
1975 06 21.52   9.41  15.46 
1975 07 27.35  16.27  21.81 
1975 08 23.65  13.81  18.73 
1975 09 19.74  10.41  15.07 
1975 10 12.58   3.61   8.09 
1975 11  9.68    .60   5.14 
1975 12   .78  -8.64  -3.93 
1976 01  -.65 -12.05  -6.35 
1976 02  1.52  -9.64  -4.06 
1976 03  3.37  -6.62  -1.62 
1976 04  8.93    .34   4.63 
1976 05 16.23   5.14  10.68 
1976 06 23.96  11.32  17.64 
1976 07 24.07  13.07  18.57 
1976 08 24.28  14.18  19.23 
1976 09 19.68   9.70  14.69 
1976 10 12.91   3.00   7.95 
1976 11  5.28  -1.76   1.76 
1976 12  1.33 -10.03  -4.35 
1977 01 -1.71 -12.63  -7.17 
1977 02  -.47 -10.69  -5.58 
1977 03  3.77  -4.56   -.39 
1977 04  7.33  -1.08   3.12 
1977 05 13.89   2.70   8.29 
1977 06 18.84  10.54  14.69 
1977 07 24.05  13.50  18.77 
1977 08 24.50  14.18  19.34 
1977 09 17.78   9.55  13.66 
1977 10 13.66   5.52   9.59 
1977 11  9.37    .72   5.04 
1977 12  2.60  -5.91  -1.65 
1978 01  -.66 -10.05  -5.35 
1978 02 -2.50 -14.27  -8.38 
1978 03  1.90  -8.39  -3.24 
1978 04  6.55   -.78   2.88 
1978 05 17.34   4.73  11.03 
1978 06 21.82   9.57  15.69 
1978 07 23.73  12.40  18.06 
1978 08 24.50  11.79  18.14 
1978 09 17.00   5.57  11.28 
1978 10 13.08   3.40   8.24 
1978 11  7.62  -1.83   2.89 
1978 12   .35  -8.47  -4.06 
