1972 03   .50  -8.97  -4.23 
1972 04  4.78  -5.14   -.17 
1972 05  8.04    .90   4.46 
1972 06 11.03   4.26   7.64 
1972 07 17.14   7.74  12.44 
1972 08 15.16   9.08  12.12 
1972 09 12.62   4.79   8.70 
1972 10  7.66    .68   4.17 
1972 11  4.00  -2.16    .91 
1972 12  1.10  -5.26  -2.08 
1973 01 -2.59  -9.58  -6.08 
1973 02  1.71  -8.06  -3.17 
1973 03  4.08  -4.25    .-8 
1973 04  6.33   -.68   2.82 
1973 05  7.63   1.70   4.66 
1973 06 12.07   4.37   8.21 
1973 07 13.79   7.46  10.62 
1973 08 15.59   6.19  10.89 
1973 09 11.86   5.07   8.46 
1973 10  7.55    .34   3.94 
1974 01 -2.29  -8.60  -5.44 
1974 02  1.34  -4.09  -1.37 
1974 03  2.71  -5.96  -1.62 
1974 04  5.81   -.29   2.76 
1974 05  9.85   1.24   5.55 
1974 06 13.72   4.87   9.29 
1974 07 15.62   7.40  11.51 
1974 08 17.37   7.85  12.61 
1974 09 13.95   6.14  10.04 
1974 10  8.99   1.94   5.46 
1974 11  4.86   -.41   2.22 
1974 12  2.68  -3.09   -.20 
1975 01   .22  -6.40  -3.09 
1975 02 -1.40  -7.78  -4.59 
1975 03  3.18  -5.95  -1.38 
1975 04  5.44  -2.45   1.49 
1975 05  8.31   1.28   4.79 
1975 06 11.04   4.54   7.79 
1975 07 15.48   6.65  11.06 
1975 08 15.69   7.42  11.55 
1975 09 12.65   5.52   9.08 
1975 10  8.24    .63   4.43 
1975 11   .87  -6.02  -2.57 
1975 12   . 0  -6.72  -3.36 
1976 01   .82  -5.05  -2.11 
1976 02   .88  -7.02  -3.07 
1976 03  3.13  -5.01   -.94 
1976 04  5.67  -1.80   1.93 
1976 05  9.00    .90   4.94 
1976 06 13.16   4.00   8.58 
1976 07 16.16   7.65  11.90 
1976 08 15.77   7.83  11.80 
1976 09 12.53   5.18   8.85 
1976 10  7.52    .35   3.93 
1976 11  5.85    .52   3.19 
1976 12  4.98  -1.30   1.84 
1977 01  5.81    .76   3.28 
1977 02  5.76    .25   3.00 
1977 03  3.57  -6.29  -1.36 
1977 04  6.24  -1.45   2.39 
1977 05  9.50    .43   4.96 
1977 06 14.43   5.92  10.17 
1977 07 18.35   7.89  13.12 
1977 08 16.89   9.32  13.10 
1977 09 15.41   3.59   9.50 
1977 10  9.45   2.18   5.81 
1977 11   .72  -7.35  -3.31 
1977 12  -.62  -8.02  -4.32 
1978 01  2.43  -2.87   -.21 
1978 02  3.90  -1.25   1.32 
1978 03  4.10  -1.85   1.12 
1978 04  8.28   -.85   3.71 
1978 05  9.89   2.57   6.23 
1978 06 12.74   4.62   8.68 
