1974 10  6.35 -99.99 -99.99 
1975 03   .89 -99.99 -99.99 
1975 04  5.04 -99.99 -99.99 
1975 09 16.78 -99.99 -99.99 
1976 01 -2.30 -99.99 -99.99 
1976 04 10.04 -99.99 -99.99 
1976 05 18.86 -99.99 -99.99 
1976 07 21.18 -99.99 -99.99 
1976 10  5.58 -99.99 -99.99 
1977 03  -.56 -99.99 -99.99 
1977 11  -.52 -99.99 -99.99 
1978 02 -8.14 -99.99 -99.99 
1978 03  -.63 -99.99 -99.99 
1978 05 17.37 -99.99 -99.99 
1978 06 23.00 -99.99 -99.99 
1978 07 26.26 -99.99 -99.99 
1978 09 20.52 -99.99 -99.99 
1978 10  9.71 -99.99 -99.99 
1979 03 -3.60 -99.99 -99.99 
1979 04  6.50 -99.99 -99.99 
1979 05 16.40 -99.99 -99.99 
1979 06 22.48 -99.99 -99.99 
1979 08 22.19 -99.99 -99.99 
1979 09 17.00 -99.99 -99.99 
1979 12 -6.15 -99.99 -99.99 
1980 01 -8.57 -99.99 -99.99 
1980 03 -2.21 -99.99 -99.99 
1980 05 18.27 -99.99 -99.99 
1980 07 22.77 -99.99 -99.99 
1980 08 24.25 -99.99 -99.99 
1980 09 19.12 -99.99 -99.99 
1980 10  9.41 -99.99 -99.99 
1980 11  2.04 -99.99 -99.99 
1981 02 -6.17 -99.99 -99.99 
1981 03  2.86 -99.99 -99.99 
1985 01 -8.93 -99.99 -99.99 
1985 12 -7.74 -99.99 -99.99 
1987 01 -4.09 -99.99 -99.99 
1987 02 -3.68 -99.99 -99.99 
1987 03 -1.71 -99.99 -99.99 
1988 02 11.07 -99.99 -99.99 
1988 03   . 3 -99.99 -99.99 
1988 04 10.99 -99.99 -99.99 
1988 10  8.01 -99.99 -99.99 
1989 01 -5.29 -99.99 -99.99 
1989 02 -6.34 -99.99 -99.99 
1989 03  4.36 -99.99 -99.99 
1989 07 25.55 -99.99 -99.99 
1989 08 24.18 -99.99 -99.99 
1989 10 10.75 -99.99 -99.99 
1990 05 18.23 -99.99 -99.99 
1990 06 23.96 -99.99 -99.99 
1990 07 22.83 -99.99 -99.99 
1990 10 10.50 -99.99 -99.99 
1991 02 -7.01 -99.99 -99.99 
1991 08 22.55 -99.99 -99.99 
1991 09 18.43 -99.99 -99.99 
1994 02 -7.40 -99.99 -99.99 
1994 03  1.62 -99.99 -99.99 
1995 01 -8.32 -99.99 -99.99 
1995 03   .24 -99.99 -99.99 
1996 02 -4.07 -17.81 -10.94 
1997 04 18.34 -99.99 -99.99 
