1992 12 99.99 -99.99  10.50 
1993 01 99.99 -99.99  10.10 
1993 02 99.99 -99.99  10.20 
1993 03 99.99 -99.99  22.60 
1993 04 99.99 -99.99  10.90 
1993 06 99.99 -99.99  16.29 
1993 07 99.99 -99.99  17.29 
1993 08 99.99 -99.99  19.20 
1993 09 99.99 -99.99  15.50 
1993 10 99.99 -99.99  12.50 
1993 11 99.99 -99.99  10.90 
1993 12 99.99 -99.99  10.40 
1994 03 99.99 -99.99  11.20 
1994 04 99.99 -99.99  10.60 
1994 07 99.99 -99.99  17.60 
1994 08 99.99 -99.99  18.50 
1994 11 99.99 -99.99  13.50 
1995 01 99.99 -99.99   9.70 
1995 02 99.99 -99.99  10.30 
1995 03 99.99 -99.99  10.70 
1995 04 99.99 -99.99  12.50 
1995 08 99.99 -99.99  19.70 
1995 09 99.99 -99.99  15.90 
1995 10 99.99 -99.99  16.79 
1995 11 99.99 -99.99  13.00 
1995 12 99.99 -99.99  10.60 
1996 03 99.99 -99.99  10.70 
1996 05 99.99 -99.99  12.70 
1996 06 99.99 -99.99  17.40 
1996 07 99.99 -99.99  18.10 
1996 08 99.99 -99.99  17.29 
1996 09 99.99 -99.99  16.29 
1996 11 99.99 -99.99  10.80 
1996 12 99.99 -99.99   9.80 
1997 01 99.99 -99.99   9.00 
1997 03 99.99 -99.99  14.40 
1997 04 99.99 -99.99  14.10 
1997 06 99.99 -99.99  15.30 
1997 07 99.99 -99.99  17.90 
1997 08 99.99 -99.99  18.79 
1997 09 99.99 -99.99  18.29 
1997 10 99.99 -99.99  17.10 
1997 11 99.99 -99.99  12.20 
1997 12 99.99 -99.99  10.30 
1998 01 99.99 -99.99  10.30 
1998 02 99.99 -99.99  12.10 
1998 03 99.99 -99.99  12.50 
1998 04 99.99 -99.99  10.10 
1998 05 99.99 -99.99  14.10 
1998 06 99.99 -99.99  16.00 
1998 07 99.99 -99.99  17.20 
1998 08 99.99 -99.99  19.60 
1998 10 99.99 -99.99  14.00 
1998 11 99.99 -99.99  11.80 
1998 12 99.99 -99.99   9.70 
1999 01 99.99 -99.99   9.39 
1999 02 99.99 -99.99   8.70 
1999 03 99.99 -99.99  10.70 
1999 04 99.99 -99.99  11.70 
1999 05 99.99 -99.99  14.10 
1999 06 99.99 -99.99  15.30 
1999 07 99.99 -99.99  18.70 
1999 08 99.99 -99.99  18.70 
1999 09 99.99 -99.99  17.20 
1999 10 99.99 -99.99  14.30 
1999 11 99.99 -99.99  10.50 
1999 12 99.99 -99.99   9.60 
2000 01 99.99 -99.99   7.80 
2000 02 99.99 -99.99  10.60 
2000 03 99.99 -99.99  11.40 
2000 04 99.99 -99.99   9.89 
2000 05 99.99 -99.99  14.50 
2000 06 99.99 -99.99  17.20 
2000 07 99.99 -99.99  17.29 
2000 08 99.99 -99.99  18.29 
2000 09 99.99 -99.99  17.20 
2000 10 99.99 -99.99  13.40 
2000 11 99.99 -99.99  16.40 
2000 12 99.99 -99.99  10.90 
2001 01 99.99 -99.99   9.70 
2001 02 99.99 -99.99  10.40 
