1972 03  6.07  -3.73   1.17 
1972 06 23.59  12.84  18.21 
1972 07 27.86  17.52  22.69 
1972 08 25.95  15.95  20.95 
1972 09 24.61  11.78  18.19 
1972 10 15.63   1.13   8.38 
1972 11  9.24 -99.99 -99.99 
1972 12  5.11  -1.96   1.57 
1973 01  4.65  -5.46   -.40 
1973 02  2.98  -7.77  -2.39 
1973 07 31.30  18.54  24.92 
1973 08 30.83  19.12  24.98 
1973 09 25.07  13.16  19.11 
1973 10 19.29   7.89  13.59 
1974 11 12.22   2.62   7.42 
1974 12  6.91  -1.36   2.77 
1975 01  5.74  -2.68   1.52 
1975 02  5.48  -3.02   1.23 
1975 03  8.18  -1.74   3.22 
1976 06 30.23  17.70  23.97 
1976 07 29.90  17.56  23.73 
1976 08 28.76  17.65  23.20 
1976 09 23.93  12.55  18.24 
1976 10 15.77   7.23  11.50 
1976 11 10.25   1.27   5.76 
1977 05 24.48  12.90  18.68 
