1977 01  6.62  -9.39  -1.38 
1977 02 14.11  -3.61   5.25 
1977 03 17.44 -99.99 -99.99 
1977 04 20.72   4.44  12.58 
1977 06 34.39  13.99  24.18 
1977 07 34.09  15.68  24.89 
1977 08 32.25  16.10  24.17 
1977 09 31.30  12.50  21.90 
1977 10 99.99   4.92 -99.99 
1977 12 14.44  -5.76   4.33 
1978 01  6.16  -9.49  -1.66 
1978 02 99.99  -7.99 -99.99 
1978 06 33.14  16.00  24.57 
1978 07 34.50  16.93  25.71 
1978 10 99.99   4.15 -99.99 
1979 06 29.29  12.84  21.06 
1979 07 33.61  16.36  24.98 
1979 08 30.81  14.14  22.47 
1979 09 30.39  11.64  21.01 
1979 10 25.22   4.86  15.04 
1979 12 11.90  -4.98   3.45 
1980 01 10.33  -5.72   2.30 
1980 02 13.27  -4.80   4.23 
1980 04 21.25    .97  11.11 
1980 05 23.97   8.33  16.15 
1980 07 36.09  18.11  27.10 
1980 08 32.61  15.68  24.14 
1980 09 28.37  11.90  20.13 
1980 10 21.78   4.41  13.09 
1980 11 13.64  -1.68   5.98 
1980 12 14.12  -3.20   5.46 
1981 01 13.32  -5.00   4.16 
1981 02 14.60  -5.96   4.32 
1981 04 24.55 -99.99 -99.99 
1981 05 26.65 -99.99 -99.99 
1981 07 32.21  17.74  24.97 
1981 08 29.57  16.24  22.90 
1981 09 27.20  12.02  19.61 
1981 10 21.61   6.60  14.10 
1981 11 99.99    .58 -99.99 
1981 12 13.88  -3.98   4.94 
1982 02 10.06 -99.99 -99.99 
1982 03 17.45 -99.99 -99.99 
1982 04 22.46 -99.99 -99.99 
1982 05 25.66 -99.99 -99.99 
1982 07 31.62  16.37  23.99 
1982 08 31.85  16.75  24.30 
