1968 09 19.62   7.77  13.70 
1968 10 23.63  11.37  17.50 
1968 11 26.78  14.09  20.43 
1968 12 21.45  14.74  18.09 
1969 01 26.30  17.29  21.80 
1969 02 23.95  17.20  20.57 
1969 03 24.02  16.18  20.10 
1969 04 24.41  13.19  18.79 
1969 05 19.70  10.39  15.04 
1969 06 16.60   8.75  12.67 
1969 07 17.43   7.97  12.70 
1969 08 18.08   9.26  13.67 
1969 09 17.77   8.78  13.27 
1969 10 20.45  11.59  16.02 
1969 11 20.45  13.47  16.96 
1969 12 23.48  14.02  18.75 
1970 01 23.57  16.34  19.95 
1970 02 24.69  17.20  20.95 
1970 03 23.66  14.53  19.09 
1970 04 21.87  12.96  17.41 
1970 05 18.03  11.35  14.69 
1970 07 17.66   6.59  12.12 
1970 09 17.37   8.13  12.75 
1971 02 24.32  17.32  20.82 
1971 03 24.00  15.87  19.93 
1971 06 17.14   8.18  12.66 
1971 07 15.49   6.26  10.87 
1971 08 17.27   6.78  12.02 
1971 09 20.24   9.18  14.71 
1972 02 24.40  16.29  20.34 
1972 03 99.99  15.05 -99.99 
1972 05 19.10  10.46  14.78 
1972 06 17.04   8.46  12.75 
1972 07 17.66   7.93  12.79 
