1985 09 99.99 -99.99  16.60 
1985 10 99.99 -99.99  10.90 
1985 11 99.99 -99.99   2.80 
1985 12 99.99 -99.99  -5.30 
1986 01 99.99 -99.99  -7.40 
1986 02 99.99 -99.99  -6.80 
1986 03 99.99 -99.99   1.30 
1986 04 99.99 -99.99   9.70 
1986 05 99.99 -99.99  13.80 
1986 06 99.99 -99.99  17.60 
1986 07 99.99 -99.99  19.20 
1986 08 99.99 -99.99  20.70 
1986 09 99.99 -99.99  15.40 
1986 10 99.99 -99.99   8.20 
1986 11 99.99 -99.99   2.50 
1986 12 99.99 -99.99  -1.10 
1987 01 99.99 -99.99  -5.40 
1987 02 99.99 -99.99  -2.70 
1987 03 99.99 -99.99    .90 
1987 04 99.99 -99.99   8.39 
1987 05 99.99 -99.99  14.10 
1987 06 99.99 -99.99  17.10 
1987 07 99.99 -99.99  20.90 
1987 08 99.99 -99.99  20.80 
1987 09 99.99 -99.99  14.70 
1987 10 99.99 -99.99  10.80 
1987 11 99.99 -99.99   3.70 
1987 12 99.99 -99.99  -1.70 
1988 01 99.99 -99.99  -4.10 
1988 02 99.99 -99.99  -4.80 
1988 03 99.99 -99.99   -.40 
1988 04 99.99 -99.99   8.10 
1988 05 99.99 -99.99  13.70 
1988 06 99.99 -99.99  17.29 
1988 07 99.99 -99.99  18.90 
1988 08 99.99 -99.99  21.00 
1988 09 99.99 -99.99  15.20 
1988 10 99.99 -99.99   9.80 
1988 11 99.99 -99.99   2.09 
1988 12 99.99 -99.99  -2.70 
1989 01 99.99 -99.99  -2.90 
1989 02 99.99 -99.99  -2.09 
1989 03 99.99 -99.99   1.50 
1989 04 99.99 -99.99   9.60 
1989 05 99.99 -99.99  14.40 
1989 06 99.99 -99.99  16.10 
1989 07 99.99 -99.99  20.00 
1989 08 99.99 -99.99  19.90 
1989 09 99.99 -99.99  15.90 
1989 10 99.99 -99.99   9.30 
1989 11 99.99 -99.99   3.30 
1989 12 99.99 -99.99   -.90 
1990 01 99.99 -99.99  -6.10 
1990 02 99.99 -99.99   -.80 
1990 03 99.99 -99.99   3.30 
1990 04 99.99 -99.99   7.60 
1990 05 99.99 -99.99  13.20 
1990 06 99.99 -99.99  18.00 
1990 07 99.99 -99.99  21.80 
1990 08 99.99 -99.99  22.30 
1990 09 99.99 -99.99  15.90 
1990 10 99.99 -99.99   9.70 
1990 11 99.99 -99.99   6.20 
1990 12 99.99 -99.99  -2.09 
1991 01 99.99 -99.99  -5.60 
1991 02 99.99 -99.99  -5.00 
1991 03 99.99 -99.99   1.00 
1991 04 99.99 -99.99   8.89 
1991 05 99.99 -99.99  12.80 
1991 06 99.99 -99.99  19.20 
1991 07 99.99 -99.99  20.70 
1991 08 99.99 -99.99  18.60 
1991 09 99.99 -99.99  15.60 
1991 10 99.99 -99.99   9.70 
1991 11 99.99 -99.99   3.20 
1991 12 99.99 -99.99   -.40 
1992 01 99.99 -99.99  -3.80 
1992 02 99.99 -99.99  -3.40 
1992 03 99.99 -99.99   1.80 
1992 04 99.99 -99.99   8.60 
1992 05 99.99 -99.99  12.00 
1992 06 99.99 -99.99  16.50 
1992 07 99.99 -99.99  21.80 
1992 08 99.99 -99.99  19.70 
1992 09 99.99 -99.99  16.79 
1992 10 99.99 -99.99   9.39 
1992 11 99.99 -99.99   4.00 
1992 12 99.99 -99.99   -.30 
1993 01 99.99 -99.99  -4.00 
1993 02 99.99 -99.99   -.60 
1993 03 99.99 -99.99   1.30 
1993 04 99.99 -99.99   8.80 
1993 05 99.99 -99.99  14.50 
1993 06 99.99 -99.99  18.70 
1993 07 99.99 -99.99  18.60 
1993 08 99.99 -99.99  18.90 
1993 09 99.99 -99.99  16.60 
1993 10 99.99 -99.99   9.60 
1993 11 99.99 -99.99   5.60 
1993 12 99.99 -99.99  -2.80 
