1986 01 99.99 -99.99  24.20 
1986 02 99.99 -99.99  23.20 
1986 03 99.99 -99.99  18.50 
1986 04 99.99 -99.99  15.60 
1986 05 99.99 -99.99  10.70 
1986 06 99.99 -99.99   9.39 
1986 07 99.99 -99.99   9.60 
1986 08 99.99 -99.99   9.80 
1986 09 99.99 -99.99   9.20 
1986 10 99.99 -99.99  16.29 
1986 11 99.99 -99.99  19.90 
1986 12 99.99 -99.99  23.20 
1987 01 99.99 -99.99  26.80 
1987 02 99.99 -99.99  24.90 
1987 03 99.99 -99.99  19.70 
1987 04 99.99 -99.99  16.00 
1987 05 99.99 -99.99   8.89 
1987 06 99.99 -99.99   9.89 
1987 07 99.99 -99.99   9.30 
1987 08 99.99 -99.99   8.89 
1987 09 99.99 -99.99  13.30 
1987 10 99.99 -99.99  17.29 
1987 11 99.99 -99.99  21.20 
1987 12 99.99 -99.99  22.60 
1988 01 99.99 -99.99  23.70 
1988 02 99.99 -99.99  23.50 
1988 03 99.99 -99.99  19.29 
1988 04 99.99 -99.99  13.50 
1988 05 99.99 -99.99   8.80 
1988 06 99.99 -99.99   9.10 
1988 07 99.99 -99.99   6.10 
1988 08 99.99 -99.99   9.39 
1988 09 99.99 -99.99  11.90 
1988 10 99.99 -99.99  14.40 
1988 11 99.99 -99.99  22.50 
1988 12 99.99 -99.99  24.50 
1989 02 99.99 -99.99  24.30 
1989 03 99.99 -99.99  20.20 
1989 04 99.99 -99.99  16.50 
1989 05 99.99 -99.99  11.40 
1989 06 99.99 -99.99  11.00 
1989 07 99.99 -99.99   7.70 
1989 09 99.99 -99.99  10.70 
1989 10 99.99 -99.99  16.20 
1989 11 99.99 -99.99  21.30 
1990 01 99.99 -99.99  24.40 
1990 02 99.99 -99.99  22.60 
1990 03 99.99 -99.99  19.50 
1990 04 99.99 -99.99  13.40 
1990 05 99.99 -99.99  10.60 
1990 06 99.99 -99.99   9.00 
1990 08 99.99 -99.99  11.50 
1990 09 99.99 -99.99  11.80 
1990 10 99.99 -99.99  18.10 
1990 11 99.99 -99.99  21.90 
1990 12 99.99 -99.99  22.30 
1991 01 99.99 -99.99  25.00 
1991 02 99.99 -99.99  21.40 
1991 03 99.99 -99.99  21.20 
1991 06 99.99 -99.99   7.50 
1995 07 14.00   2.40   8.20 
1995 08 14.70   2.40   8.55 
1995 09 20.29   6.10  13.20 
1995 10 23.30   9.60  16.45 
1995 12 32.30  16.70  24.50 
1996 01 29.60  16.50  23.05 
1996 03 28.00  14.90  21.45 
1996 04 21.40   9.80  15.60 
1996 05 18.79   7.10  12.95 
1996 06 13.20   2.30   7.75 
1996 07 14.40   3.60   9.00 
1996 08 18.79   6.70  12.75 
1996 10 24.10  11.30  17.70 
1996 12 27.50  14.80  21.15 
1997 02 28.90  14.30  21.60 
1997 04 22.60  11.30  16.95 
1997 05 19.00   8.00  13.50 
1997 07 13.80   3.30   8.55 
1997 08 16.50   5.30  10.90 
1997 09 17.60   6.30  11.95 
1997 10 21.40   9.50  15.45 
2002 05 17.10   6.00  11.55 
2002 08 14.90   2.80   8.84 
2002 10 24.50   9.30  16.90 
2002 11 27.60  11.90  19.75 
2002 12 31.60  15.80  23.70 
2003 01 31.90  16.40  24.15 
2003 06 15.00   4.10   9.55 
2003 09 19.70   6.60  13.15 
2003 10 25.10   9.89  17.50 
2003 12 30.10  13.50  21.80 
2004 04 20.00   8.80  14.40 
2004 05 15.20   3.60   9.39 
2004 06 15.60   4.40  10.00 
2004 08 16.29   2.90   9.59 
2004 09 20.80   5.80  13.29 
2004 10 22.10   9.00  15.55 
