1972 06  31.71  12.95  22.33 
1972 07  36.83  14.99  25.91 
1972 08  35.55  13.41  24.48 
1972 09  28.45   7.75  18.10 
1972 10  20.90   3.37  12.13 
1972 11  11.42  -2.49   4.46 
1972 12   4.09  -8.93  -2.42 
1973 01   3.83  -8.18  -2.17 
1973 02  10.09  -1.55   4.27 
1973 03  13.18  -0.04   6.57 
1973 04  19.45   1.30  10.37 
1973 06  32.93  11.11  22.02 
1973 07  37.28  13.44  25.35 
1973 08  35.25  13.29  24.27 
1973 09  29.50   5.62  17.56 
1973 10  22.69   -.12  11.28 
1973 11  13.20  -2.09   5.55 
1973 12   9.55  -3.80   2.87 
1974 01   7.68  -5.56   1.05 
1974 02  11.90  -6.13   2.88 
1974 03  18.11   0.23   9.17 
1974 04  19.94   0.58  10.26 
1974 05  27.52   6.56  17.04 
1974 06  34.93  10.97  22.95 
1974 07  36.53  15.06  25.79 
1974 08  35.16  12.55  23.85 
1974 09  31.78   7.27  19.52 
1975 03  14.05   -.56   6.74 
1975 04  15.67  -1.09   7.29 
1975 05  25.56   5.02  15.29 
1975 06  31.47  10.04  20.75 
1975 07  37.09  14.91  26.00 
1975 08  33.79  11.33  22.56 
1975 09  31.11   9.55  20.33 
1977 10  22.99   2.43  12.71 
1977 11  15.61  -3.56   6.02 
1977 12  11.90  -3.57   4.16 
1978 01   9.09  -4.84   2.12 
1978 02  10.74  -3.64   3.54 
1978 03  18.06   1.51   9.78 
1978 04  18.07   1.48   9.77 
1978 05  25.04   2.69  13.86 
1978 06  30.33   6.23  18.28 
1978 07  35.72  10.27  22.99 
1978 08  35.25   8.85  22.06 
1978 09  26.54   5.90  16.22 
1978 10  25.42   0.63  13.02 
1978 11  11.10  -5.70   2.70 
1978 12   6.18 -11.83  -2.82 
1979 01   4.69  -9.20  -2.25 
1979 02  10.77  -6.62   2.07 
1979 03  17.28  -2.81   7.23 
1979 04 -99.99   0.62 -99.99 
