1983 01 99.99 -99.99    .70 
1983 02 99.99 -99.99    . 0 
1983 03 99.99 -99.99  -1.70 
1983 04 99.99 -99.99  -2.70 
1983 05 99.99 -99.99  -5.90 
1983 06 99.99 -99.99  -7.10 
1983 07 99.99 -99.99  -6.10 
1983 08 99.99 -99.99  -5.50 
1983 09 99.99 -99.99  -6.40 
1983 10 99.99 -99.99  -3.90 
1983 11 99.99 -99.99  -2.90 
1983 12 99.99 -99.99    .60 
1984 01 99.99 -99.99   -.10 
1984 02 99.99 -99.99    .60 
1984 03 99.99 -99.99    . 0 
1984 04 99.99 -99.99  -4.50 
1984 05 99.99 -99.99  -8.20 
1984 06 99.99 -99.99  -7.30 
1984 07 99.99 -99.99  -5.40 
1984 08 99.99 -99.99  -5.00 
1984 09 99.99 -99.99  -2.09 
1984 10 99.99 -99.99  -3.50 
1984 11 99.99 -99.99  -1.20 
1984 12 99.99 -99.99   -.70 
1985 02 99.99 -99.99    .20 
1985 03 99.99 -99.99  -2.09 
1985 04 99.99 -99.99  -2.80 
1985 05 99.99 -99.99  -6.80 
1985 07 99.99 -99.99  -4.80 
1985 08 99.99 -99.99  -5.60 
1985 09 99.99 -99.99  -2.80 
1985 10 99.99 -99.99  -2.60 
1985 11 99.99 -99.99   -.60 
1985 12 99.99 -99.99    .10 
1986 01 99.99 -99.99   -.80 
1986 02 99.99 -99.99   1.00 
1986 03 99.99 -99.99  -1.40 
1986 04 99.99 -99.99  -4.00 
1986 05 99.99 -99.99 -10.50 
1986 06 99.99 -99.99  -9.39 
1986 07 99.99 -99.99  -8.89 
1986 08 99.99 -99.99  -9.80 
1986 09 99.99 -99.99  -8.20 
1986 10 99.99 -99.99  -3.50 
1986 11 99.99 -99.99  -3.20 
1986 12 99.99 -99.99  -1.20 
1987 01 99.99 -99.99    .40 
1987 02 99.99 -99.99    .20 
1987 03 99.99 -99.99  -1.60 
1987 04 99.99 -99.99  -5.80 
1987 05 99.99 -99.99  -6.60 
1987 07 99.99 -99.99 -15.10 
1987 08 99.99 -99.99  -3.50 
1987 09 99.99 -99.99  -8.10 
1987 10 99.99 -99.99  -3.50 
1987 11 99.99 -99.99  -1.20 
1987 12 99.99 -99.99    .20 
1988 01 99.99 -99.99    .60 
1988 08 99.99 -99.99 -10.40 
1989 02 99.99 -99.99    .70 
1989 03 99.99 -99.99   -.20 
1989 04 99.99 -99.99  -6.60 
1989 05 99.99 -99.99  -3.00 
1989 06 99.99 -99.99  -3.60 
1989 07 99.99 -99.99  -2.30 
1989 08 99.99 -99.99  -4.19 
1989 09 99.99 -99.99  -4.30 
1989 11 99.99 -99.99  -1.50 
1989 12 99.99 -99.99    .10 
1990 01 99.99 -99.99   1.00 
1990 02 99.99 -99.99   1.50 
1990 03 99.99 -99.99  -1.20 
1990 04 99.99 -99.99  -7.20 
1990 05 99.99 -99.99  -7.60 
1990 06 99.99 -99.99  -7.90 
1990 07 99.99 -99.99  -8.70 
1990 08 99.99 -99.99  -9.30 
1990 09 99.99 -99.99  -4.50 
1990 10 99.99 -99.99  -4.00 
1990 11 99.99 -99.99  -1.80 
1990 12 99.99 -99.99   -.60 
