1967 02 -7.56 -99.99 -99.99 
1967 03 -2.17 -99.99 -99.99 
1967 04 11.62 -99.99 -99.99 
1967 07 23.20 -99.99 -99.99 
1967 09 12.88 -99.99 -99.99 
1967 10  8.53 -99.99 -99.99 
1968 08 23.00 -99.99 -99.99 
1968 09 13.18 -99.99 -99.99 
1969 04  7.90 -99.99 -99.99 
1974 08 23.73 -99.99 -99.99 
1974 09 16.95 -99.99 -99.99 
1975 01 -6.93 -99.99 -99.99 
1975 04 12.08 -99.99 -99.99 
1975 07 27.22 -99.99 -99.99 
1976 04  9.00 -99.99 -99.99 
1976 05 20.35 -99.99 -99.99 
1976 08 25.04 -99.99 -99.99 
1976 10  3.46 -99.99 -99.99 
1976 11 -6.96 -99.99 -99.99 
1977 04 14.88 -99.99 -99.99 
1977 06 27.56 -99.99 -99.99 
1977 10  9.41 -99.99 -99.99 
1977 11  2.92 -99.99 -99.99 
1978 02 -9.22 -99.99 -99.99 
1978 04 11.72 -99.99 -99.99 
1978 05 16.89 -99.99 -99.99 
1978 06 24.08 -99.99 -99.99 
1978 08 21.96 -99.99 -99.99 
1978 09 20.36 -99.99 -99.99 
1979 01 10.04 -99.99 -99.99 
1979 03 -4.65 -99.99 -99.99 
1979 05 16.86 -99.99 -99.99 
1979 07 25.08 -99.99 -99.99 
1979 09 17.76 -99.99 -99.99 
1979 11   .96 -99.99 -99.99 
1979 12 -2.52 -99.99 -99.99 
1980 01 10.68 -99.99 -99.99 
1980 02 -6.50 -99.99 -99.99 
1980 03 -3.96 -99.99 -99.99 
1980 04  9.76 -99.99 -99.99 
1980 05 20.00 -99.99 -99.99 
1980 08 24.45 -99.99 -99.99 
1980 09 18.61 -99.99 -99.99 
1980 10  9.64 -99.99 -99.99 
1980 11  2.31 -99.99 -99.99 
1980 12 -4.92 -99.99 -99.99 
1981 01 -9.89 -99.99 -99.99 
1981 02 -9.52 -99.99 -99.99 
1981 03 -1.19 -99.99 -99.99 
1981 04 11.97 -99.99 -99.99 
1981 08 24.04 -99.99 -99.99 
1981 10  8.14 -99.99 -99.99 
1981 11 -2.08 -99.99 -99.99 
1988 04 11.42 -99.99 -99.99 
1988 09 18.96 -99.99 -99.99 
1988 10  8.17 -99.99 -99.99 
1988 11  1.88 -99.99 -99.99 
1989 03  1.57 -99.99 -99.99 
1989 04  7.83 -99.99 -99.99 
1989 10 10.22 -99.99 -99.99 
1989 11 -1.41 -99.99 -99.99 
1990 02 -8.20 -99.99 -99.99 
1990 03 -1.52 -99.99 -99.99 
1990 04 10.02 -99.99 -99.99 
1990 06 27.00 -99.99 -99.99 
1990 10  9.21 -99.99 -99.99 
1990 11 -2.34 -99.99 -99.99 
1991 01 -9.52 -99.99 -99.99 
1991 02 -8.70 -99.99 -99.99 
1991 03 -4.52 -99.99 -99.99 
1991 08 22.82 -99.99 -99.99 
1991 09 19.00 -99.99 -99.99 
1992 04 12.43 -99.99 -99.99 
1992 10  8.85 -99.99 -99.99 
1993 03 -2.98 -99.99 -99.99 
1994 01 -9.01 -99.99 -99.99 
1994 05 20.03 -99.99 -99.99 
1994 09 15.63 -99.99 -99.99 
1994 11  2.13 -99.99 -99.99 
1996 02 -9.29 -99.99 -99.99 
1997 02 -7.02 -99.99 -99.99 
1997 04 17.12 -99.99 -99.99 
