1981 03 99.99 -99.99 -12.60 
1981 04 99.99 -99.99 -15.90 
1981 05 99.99 -99.99 -19.29 
1981 06 99.99 -99.99 -22.80 
1981 07 99.99 -99.99 -17.20 
1981 08 99.99 -99.99 -20.60 
1981 09 99.99 -99.99 -23.90 
1981 10 99.99 -99.99 -18.60 
1981 11 99.99 -99.99  -9.89 
1981 12 99.99 -99.99  -4.50 
1982 01 99.99 -99.99  -2.90 
1982 02 99.99 -99.99  -9.20 
1982 03 99.99 -99.99 -15.20 
1982 04 99.99 -99.99 -16.20 
1982 05 99.99 -99.99 -20.90 
1982 06 99.99 -99.99 -28.70 
1982 07 99.99 -99.99 -23.00 
1982 08 99.99 -99.99 -24.90 
1982 09 99.99 -99.99 -20.10 
1982 10 99.99 -99.99 -18.00 
1982 11 99.99 -99.99  -8.00 
1982 12 99.99 -99.99  -4.00 
1983 01 99.99 -99.99  -4.90 
1983 02 99.99 -99.99  -6.50 
1983 03 99.99 -99.99 -12.00 
1983 04 99.99 -99.99 -16.79 
1983 05 99.99 -99.99 -17.29 
1983 06 99.99 -99.99 -23.30 
1983 07 99.99 -99.99 -27.40 
1983 08 99.99 -99.99 -25.10 
1983 09 99.99 -99.99 -19.79 
1983 10 99.99 -99.99 -16.00 
1983 11 99.99 -99.99 -11.40 
1983 12 99.99 -99.99  -6.20 
1984 01 99.99 -99.99  -3.90 
1984 02 99.99 -99.99 -11.20 
1984 03 99.99 -99.99 -13.50 
1984 04 99.99 -99.99 -17.90 
1984 05 99.99 -99.99 -18.70 
1984 06 99.99 -99.99 -26.20 
1984 07 99.99 -99.99 -22.80 
1984 08 99.99 -99.99 -28.10 
1984 09 99.99 -99.99 -22.30 
1984 10 99.99 -99.99 -19.20 
1984 11 99.99 -99.99 -10.50 
1984 12 99.99 -99.99  -4.80 
1985 01 99.99 -99.99  -4.10 
1985 02 99.99 -99.99 -10.00 
1985 03 99.99 -99.99  -9.20 
1985 04 99.99 -99.99 -16.40 
1985 05 99.99 -99.99 -20.40 
1985 06 99.99 -99.99 -20.10 
1985 07 99.99 -99.99 -24.30 
1985 08 99.99 -99.99 -24.80 
1985 09 99.99 -99.99 -21.30 
1985 10 99.99 -99.99 -18.70 
1985 11 99.99 -99.99 -12.90 
1985 12 99.99 -99.99  -5.20 
1986 01 99.99 -99.99  -4.60 
1986 02 99.99 -99.99  -5.10 
1986 03 99.99 -99.99 -12.80 
1986 04 99.99 -99.99 -15.90 
1986 05 99.99 -99.99 -23.40 
1986 06 99.99 -99.99 -25.40 
1986 07 99.99 -99.99 -26.20 
1986 08 99.99 -99.99 -21.80 
1986 09 99.99 -99.99 -22.10 
1986 10 99.99 -99.99 -19.79 
1986 11 99.99 -99.99  -8.80 
1986 12 99.99 -99.99  -5.70 
1987 01 99.99 -99.99  -2.90 
1987 02 99.99 -99.99  -8.80 
1987 03 99.99 -99.99 -10.80 
1987 04 99.99 -99.99 -16.29 
1987 05 99.99 -99.99 -22.40 
1987 06 99.99 -99.99 -23.20 
1987 07 99.99 -99.99 -20.29 
1987 08 99.99 -99.99 -26.70 
1987 09 99.99 -99.99 -26.60 
1987 10 99.99 -99.99 -21.50 
1987 11 99.99 -99.99  -8.89 
1987 12 99.99 -99.99  -5.30 
1988 01 99.99 -99.99  -2.80 
1988 02 99.99 -99.99  -8.20 
1988 03 99.99 -99.99  -8.39 
1988 04 99.99 -99.99 -16.20 
1988 05 99.99 -99.99 -20.29 
1988 06 99.99 -99.99 -15.30 
1988 07 99.99 -99.99 -25.40 
1988 08 99.99 -99.99 -27.00 
1988 09 99.99 -99.99 -25.40 
1988 10 99.99 -99.99 -18.29 
1988 11 99.99 -99.99 -10.10 
1988 12 99.99 -99.99  -4.60 
1989 01 99.99 -99.99  -3.60 
1989 02 99.99 -99.99  -7.60 
1989 03 99.99 -99.99 -12.40 
1989 04 99.99 -99.99 -14.90 
1989 05 99.99 -99.99 -20.70 
1989 06 99.99 -99.99 -21.80 
1989 07 99.99 -99.99 -29.60 
1989 08 99.99 -99.99 -33.40 
1989 09 99.99 -99.99 -24.00 
1989 10 99.99 -99.99 -20.70 
1989 11 99.99 -99.99  -9.70 
1989 12 99.99 -99.99  -5.50 
1990 01 99.99 -99.99  -4.19 
1990 02 99.99 -99.99  -9.20 
1990 03 99.99 -99.99 -11.40 
1990 04 99.99 -99.99 -17.50 
1990 05 99.99 -99.99 -19.40 
1990 06 99.99 -99.99 -25.60 
1990 07 99.99 -99.99 -20.20 
1990 08 99.99 -99.99 -26.80 
1990 09 99.99 -99.99 -27.10 
1990 10 99.99 -99.99 -14.00 
1990 11 99.99 -99.99  -8.70 
1990 12 99.99 -99.99  -3.80 
1991 01 99.99 -99.99  -4.19 
1991 02 99.99 -99.99  -7.00 
1991 03 99.99 -99.99 -15.10 
1991 04 99.99 -99.99 -19.10 
1991 05 99.99 -99.99 -20.10 
1991 06 99.99 -99.99 -17.70 
1991 07 99.99 -99.99 -23.60 
1991 08 99.99 -99.99 -23.70 
1991 09 99.99 -99.99 -23.60 
1991 10 99.99 -99.99 -17.90 
1991 11 99.99 -99.99 -10.40 
1991 12 99.99 -99.99  -3.00 
