1971 08 27.29  12.57  19.93 
1971 09 25.73  12.30  19.01 
1971 10 22.64   6.69  14.66 
1972 05 23.73   9.35  16.54 
1972 06 24.21  11.46  17.83 
1972 07 28.18  16.34  22.26 
1972 08 28.13  13.89  21.01 
1972 09 25.39  12.57  18.98 
1972 10 15.13   3.63   9.38 
1972 11  6.70    . 1   3.35 
1972 12  3.86  -4.58   -.36 
1973 01  2.74  -6.22  -1.73 
1973 02  3.46  -6.78  -1.66 
1973 03 13.62   2.22   7.92 
1973 04 14.40   4.01   9.20 
1973 05 19.73   7.53  13.63 
1973 06 27.77  15.78  21.77 
1973 07 29.23  17.37  23.30 
1973 08 28.35  15.93  22.14 
1973 09 26.94  12.33  19.63 
1973 10 21.26   5.69  13.47 
1973 11 11.71    .85   6.28 
1973 12  3.61  -5.94  -1.16 
1974 01  2.65  -6.64  -1.99 
1974 02  3.74  -7.84  -2.05 
1974 03 11.53  -1.00   5.26 
1974 04 17.23   3.31  10.27 
1974 05 21.04   8.95  14.99 
