1975 02  5.35 -99.99 -99.99 
1975 09 29.72 -99.99 -99.99 
1976 04 23.36 -99.99 -99.99 
1976 05 31.15 -99.99 -99.99 
1976 10 17.89 -99.99 -99.99 
1978 02  4.48 -99.99 -99.99 
1978 03 12.33 -99.99 -99.99 
1978 04 23.59 -99.99 -99.99 
1978 05 28.34 -99.99 -99.99 
1978 07 39.07 -99.99 -99.99 
1978 08 35.58 -99.99 -99.99 
1978 09 32.68 -99.99 -99.99 
1978 12  8.64 -99.99 -99.99 
1979 01   .71 -99.99 -99.99 
1979 03 12.18 -99.99 -99.99 
1979 04 21.34 -99.99 -99.99 
1979 05 26.97 -99.99 -99.99 
1979 06 34.36 -99.99 -99.99 
1979 10 24.81 -99.99 -99.99 
1979 11 12.62 -99.99 -99.99 
1980 02  1.44 -99.99 -99.99 
1980 04 25.46 -99.99 -99.99 
1980 09 29.73 -99.99 -99.99 
1980 10 19.00 -99.99 -99.99 
1980 11 14.85 -99.99 -99.99 
1981 01  7.52 -99.99 -99.99 
1981 02  7.32 -99.99 -99.99 
1981 03 15.81 -99.99 -99.99 
1981 08 35.63 -99.99 -99.99 
1981 09 29.54 -99.99 -99.99 
1981 10 19.45 -99.99 -99.99 
1981 11 14.92 -99.99 -99.99 
1987 02  9.75 -99.99 -99.99 
1988 02  3.92 -99.99 -99.99 
1988 03 13.01 -99.99 -99.99 
1988 04 24.81 -99.99 -99.99 
1988 09 29.74 -99.99 -99.99 
1988 12 10.46 -99.99 -99.99 
1989 01   . 7 -99.99 -99.99 
1989 02  2.65 -99.99 -99.99 
1989 03 15.39 -99.99 -99.99 
1989 05 27.69 -99.99 -99.99 
1989 07 38.18 -99.99 -99.99 
1989 08 36.93 -99.99 -99.99 
1989 10 23.32 -99.99 -99.99 
1989 11 12.51 -99.99 -99.99 
1990 03 15.71 -99.99 -99.99 
1990 04 21.43 -99.99 -99.99 
1990 05 30.38 -99.99 -99.99 
1990 06 38.62 -99.99 -99.99 
1990 10 19.70 -99.99 -99.99 
1990 11 14.63 -99.99 -99.99 
1991 01   .88 -99.99 -99.99 
1991 02  6.21 -99.99 -99.99 
1991 08 35.09 -99.99 -99.99 
