1972 04  14.59  -3.77   5.41 
1972 05  21.69   -.26  10.71 
1972 06  25.73   6.69  16.20 
1972 07  30.53   6.00  18.26 
1972 08  28.37   6.02  17.19 
1972 09  19.96   2.40  11.18 
1972 11 -99.99  -6.17 -99.99 
1972 12  -1.01 -15.53  -8.26 
1973 01   -.45 -15.40  -7.92 
1973 02   3.53  -9.13  -2.80 
1973 03   6.14  -5.16   0.49 
1973 04  12.17  -3.02   4.57 
1973 07  29.30   6.76  18.02 
1973 08  29.33   5.33  17.33 
1973 09  22.56   0.16  11.36 
1973 10  17.37  -3.72   6.82 
1973 11   7.13  -4.44   1.34 
1973 12   3.51  -8.75  -2.62 
1974 01   1.16  -9.99  -4.41 
1974 02   4.10  -9.96  -2.93 
1974 05  21.05  -1.04  10.00 
1974 06  29.68   3.71  16.69 
1974 08  30.06   3.47  16.76 
1974 10  16.86  -3.85   6.50 
1974 11   9.88  -4.77   2.55 
1974 12   2.46 -10.77  -4.15 
1975 02   2.16  -9.39  -3.61 
1975 03   6.29  -5.54   0.37 
1975 05  17.35  -1.16   8.09 
1975 08  27.27   4.26  15.76 
1975 09  25.58   0.31  12.94 
