1961 05  4.51 -99.99 -99.99 
1963 05  2.17 -99.99 -99.99 
1967 02 34.89 -99.99 -99.99 
1967 03 22.04 -35.12 -28.58 
1967 07 16.20 -99.99 -99.99 
1968 03 17.82 -99.99 -99.99 
1968 04 -3.96 -99.99 -99.99 
1968 05  5.24 -99.99 -99.99 
1968 08 15.51 -99.99 -99.99 
1969 04 -9.01 -99.99 -99.99 
1969 06 18.76 -99.99 -99.99 
1969 07 18.50 -99.99 -99.99 
1969 08 17.74 -99.99 -99.99 
1970 02 33.70 -99.99 -99.99 
1970 03 21.31 -99.99 -99.99 
1973 03 22.62 -99.99 -99.99 
1973 06 20.59 -99.99 -99.99 
1973 08 12.77 -99.99 -99.99 
1974 03 19.52 -99.99 -99.99 
1974 05  4.19 -99.99 -99.99 
1975 03 17.95 -35.75 -26.85 
1975 04 -6.96 -23.07 -15.01 
1975 05  6.08 -99.99 -99.99 
1975 06 15.21   4.23   9.72 
1976 03 99.99 -39.04 -99.99 
1976 06 15.15 -99.99 -99.99 
1980 03 22.28 -99.99 -99.99 
1980 06 15.76 -99.99 -99.99 
1980 09  8.79 -99.99 -99.99 
1984 02 37.91 -99.99 -99.99 
1984 03 19.79 -99.99 -99.99 
1984 04 -3.50 -99.99 -99.99 
1984 08 13.28 -99.99 -99.99 
1984 09  5.32 -99.99 -99.99 
1985 04 -8.33 -99.99 -99.99 
1985 05  3.37 -99.99 -99.99 
1985 08 12.70 -99.99 -99.99 
1985 10 -9.50 -99.99 -99.99 
1986 04 -3.94 -99.99 -99.99 
1986 05  4.83 -99.99 -99.99 
1986 10 -6.02 -99.99 -99.99 
1987 03 21.60 -99.99 -99.99 
1987 04 10.53 -99.99 -99.99 
1987 05  2.32 -99.99 -99.99 
1987 06 17.24 -99.99 -99.99 
1987 07 22.70 -99.99 -99.99 
1987 09  6.25 -99.99 -99.99 
1988 09 10.07 -99.99 -99.99 
1989 04 -9.47 -99.99 -99.99 
1989 07 19.15 -99.99 -99.99 
1989 08 14.83 -99.99 -99.99 
1990 06 16.64 -99.99 -99.99 
