1981 09 99.99 -99.99   4.50 
1981 10 99.99 -99.99  -1.10 
1981 11 99.99 -99.99  -9.00 
1981 12 99.99 -99.99 -18.90 
1982 01 99.99 -99.99 -15.50 
1982 02 99.99 -99.99  -9.50 
1982 03 99.99 -99.99  -7.80 
1982 04 99.99 -99.99  -2.90 
1982 05 99.99 -99.99   2.20 
1982 06 99.99 -99.99   4.30 
1982 07 99.99 -99.99  12.60 
1982 08 99.99 -99.99   9.39 
1982 09 99.99 -99.99   3.60 
1982 10 99.99 -99.99  -1.80 
1982 11 99.99 -99.99  -7.60 
1982 12 99.99 -99.99 -10.30 
1983 01 99.99 -99.99 -12.60 
1983 02 99.99 -99.99 -11.90 
1983 03 99.99 -99.99  -8.10 
1983 04 99.99 -99.99  -1.70 
1983 05 99.99 -99.99   3.20 
1983 06 99.99 -99.99   8.70 
1983 07 99.99 -99.99  12.10 
1983 11 99.99 -99.99 -14.00 
1983 12 99.99 -99.99 -17.40 
1984 01 99.99 -99.99 -15.90 
1984 02 99.99 -99.99  -6.90 
1984 03 99.99 -99.99 -10.40 
1984 04 99.99 -99.99  -1.40 
1984 05 99.99 -99.99   6.50 
1984 06 99.99 -99.99   9.70 
1984 07 99.99 -99.99  10.50 
1984 08 99.99 -99.99   8.70 
1984 09 99.99 -99.99   3.60 
1984 10 99.99 -99.99  -2.50 
1984 11 99.99 -99.99 -10.10 
1984 12 99.99 -99.99  -7.70 
1985 01 99.99 -99.99 -21.00 
1985 02 99.99 -99.99 -23.10 
1985 03 99.99 -99.99  -8.50 
1985 04 99.99 -99.99  -6.60 
1985 05 99.99 -99.99    .60 
1985 06 99.99 -99.99   8.00 
1985 07 99.99 -99.99  13.90 
1985 08 99.99 -99.99  10.70 
1985 09 99.99 -99.99   4.90 
1985 10 99.99 -99.99  -1.30 
1985 11 99.99 -99.99  -9.10 
1985 12 99.99 -99.99 -20.40 
1986 01 99.99 -99.99 -18.90 
1986 02 99.99 -99.99 -13.60 
1986 03 99.99 -99.99  -6.50 
1986 06 99.99 -99.99  11.40 
1986 07 99.99 -99.99  11.60 
1986 08 99.99 -99.99   8.10 
1986 09 99.99 -99.99   2.20 
1986 10 99.99 -99.99    .20 
1986 11 99.99 -99.99  -6.10 
1986 12 99.99 -99.99 -20.50 
1987 02 99.99 -99.99 -15.00 
1987 03 99.99 -99.99 -11.10 
1987 12 99.99 -99.99 -17.90 
1988 01 99.99 -99.99 -13.50 
1988 02 99.99 -99.99 -15.40 
1988 03 99.99 -99.99 -11.10 
1988 04 99.99 -99.99  -5.90 
1988 05 99.99 -99.99   2.20 
1988 06 99.99 -99.99  10.00 
1988 07 99.99 -99.99  14.00 
1988 08 99.99 -99.99   9.60 
1988 09 99.99 -99.99   6.00 
1988 10 99.99 -99.99  -1.40 
1988 11 99.99 -99.99 -14.10 
1988 12 99.99 -99.99 -15.80 
1989 01 99.99 -99.99  -9.39 
1989 02 99.99 -99.99  -9.70 
1989 03 99.99 -99.99  -5.70 
1989 04 99.99 -99.99    . 0 
1989 05 99.99 -99.99   4.19 
1989 06 99.99 -99.99  10.40 
1989 07 99.99 -99.99  10.60 
1989 08 99.99 -99.99  10.60 
1989 11 99.99 -99.99  -5.60 
1989 12 99.99 -99.99 -13.90 
1990 01 99.99 -99.99 -15.80 
1990 02 99.99 -99.99  -5.10 
1990 03 99.99 -99.99  -7.70 
1990 04 99.99 -99.99  -1.70 
1990 05 99.99 -99.99   2.09 
1990 06 99.99 -99.99   9.60 
1990 07 99.99 -99.99  11.90 
1990 08 99.99 -99.99  10.90 
1990 09 99.99 -99.99   4.80 
1990 10 99.99 -99.99   -.70 
1990 11 99.99 -99.99  -9.50 
1990 12 99.99 -99.99  -5.80 
1991 01 99.99 -99.99 -11.30 
1991 07 99.99 -99.99  11.90 
1991 08 99.99 -99.99  10.80 
1991 09 99.99 -99.99   3.50 
1991 10 99.99 -99.99  -1.00 
1991 11 99.99 -99.99  -7.60 
1991 12 99.99 -99.99  -8.00 
1992 02 99.99 -99.99  -7.20 
1992 03 99.99 -99.99  -5.30 
1992 04 99.99 -99.99  -5.60 
1992 05 99.99 -99.99   4.10 
