1969 03 -1.99 -99.99 -99.99 
1969 04 15.76   2.42   9.09 
1969 05 22.04 -99.99 -99.99 
1969 06 31.32 -99.99 -99.99 
1969 07 28.72 -99.99 -99.99 
1969 08 29.15  15.64  22.39 
1969 09 22.76   9.39  16.08 
1969 10 10.38 -99.99 -99.99 
1969 11  6.22  -1.91   2.15 
1969 12 -2.66 -99.99 -99.99 
1970 01 -6.73 -99.99 -99.99 
1970 02  -.39 -99.99 -99.99 
1970 03  5.46  -4.27    .59 
1970 04 18.95   4.81  11.88 
1970 05 24.57   9.42  16.99 
1970 06 27.08  13.22  20.15 
1970 08 26.07  15.10  20.58 
1970 09 21.79   9.10  15.44 
1970 10 13.98 -99.99 -99.99 
1970 11  4.42 -99.99 -99.99 
1971 02 -8.42 -99.99 -99.99 
1971 03 -2.03 -99.99 -99.99 
1971 04 13.53    .20   6.86 
1971 05 21.84   8.50  15.17 
1971 06 28.77  15.22  21.99 
1973 09 17.81 -99.99 -99.99 
1973 10 12.23 -99.99 -99.99 
1974 07 29.81 -99.99 -99.99 
1974 09 25.26 -99.99 -99.99 
1974 10 19.45 -99.99 -99.99 
1975 02 -3.72 -99.99 -99.99 
1975 03  3.67 -99.99 -99.99 
1975 05 27.73 -99.99 -99.99 
1975 06 33.41 -99.99 -99.99 
1975 07 33.45 -99.99 -99.99 
1975 09 25.77 -99.99 -99.99 
1976 04 18.00 -99.99 -99.99 
1976 05 23.65 -99.99 -99.99 
1976 06 28.76 -99.99 -99.99 
1976 07 28.66  15.23  21.94 
1976 08 30.50 -99.99 -99.99 
1976 10  5.32 -99.99 -99.99 
1977 03  6.64 -99.99 -99.99 
1977 05 26.96 -99.99 -99.99 
1977 07 31.54 -99.99 -99.99 
1977 08 29.23 -99.99 -99.99 
1977 09 22.38 -99.99 -99.99 
1977 10  9.72 -99.99 -99.99 
1978 02 -7.17 -99.99 -99.99 
1978 03  6.46 -99.99 -99.99 
1978 04 14.86 -99.99 -99.99 
1978 05 21.52 -99.99 -99.99 
1978 06 24.93 -99.99 -99.99 
1978 07 29.45 -99.99 -99.99 
1978 08 29.40 -99.99 -99.99 
1978 09 23.22 -99.99 -99.99 
1978 10 11.23 -99.99 -99.99 
1978 11  3.80 -99.99 -99.99 
1979 03  5.48 -99.99 -99.99 
1979 04 13.67 -99.99 -99.99 
1979 05 27.81 -99.99 -99.99 
1979 06 27.96  12.80  20.37 
1979 07 31.57 -99.99 -99.99 
1979 08 33.03 -99.99 -99.99 
1979 09 25.86 -99.99 -99.99 
1979 10 12.07 -99.99 -99.99 
1980 02 -7.42 -99.99 -99.99 
1980 03 -1.47 -99.99 -99.99 
1980 04 14.27 -99.99 -99.99 
1980 05 25.17 -99.99 -99.99 
1980 06 30.00  15.85  22.92 
1980 07 32.48 -99.99 -99.99 
1980 08 28.34 -99.99 -99.99 
1980 09 22.38 -99.99 -99.99 
1980 11  2.74 -99.99 -99.99 
1981 03  3.38 -99.99 -99.99 
1981 04 11.96 -99.99 -99.99 
1981 05 21.90 -99.99 -99.99 
1981 06 31.54  17.75  24.64 
1981 07 34.20  20.90  27.55 
1981 08 31.39  18.25  24.82 
1981 09 23.54 -99.99 -99.99 
1981 10 16.70   3.35  10.02 
1981 11  5.40 -99.99 -99.99 
1988 04 15.07 -99.99 -99.99 
1988 07 33.47 -99.99 -99.99 
