1991 09 99.99  20.70 -99.99 
1991 10 99.99  19.79 -99.99 
1991 12 99.99  22.10 -99.99 
1992 03 99.99  22.10 -99.99 
1992 06 99.99  22.00 -99.99 
1992 07 99.99  21.60 -99.99 
1992 08 99.99  20.60 -99.99 
1992 09 99.99  21.00 -99.99 
1992 10 99.99  21.90 -99.99 
1992 11 99.99  21.20 -99.99 
1992 12 99.99  22.10 -99.99 
1993 01 31.00  22.10  26.55 
1993 02 31.50  21.60  26.55 
1993 04 31.60  21.70  26.65 
1993 05 30.80  22.30  26.55 
1993 06 30.40  21.80  26.09 
1993 07 29.70  21.70  25.70 
1993 08 30.20  19.70  24.95 
1993 09 29.50  21.20  25.35 
1993 10 30.50  21.40  25.95 
1993 11 31.80  21.90  26.84 
1993 12 32.00  22.40  27.20 
1994 01 31.10  21.70  26.40 
1994 02 31.20  21.30  26.25 
1994 03 30.50  21.70  26.10 
1994 04 30.90  21.90  26.40 
1994 05 30.70  22.10  26.40 
1994 06 29.80  21.70  25.75 
1994 07 29.60  20.50  25.05 
1994 08 29.70  20.70  25.20 
1994 09 29.90  20.70  25.30 
1994 10 31.70  21.10  26.40 
1994 11 31.60  21.40  26.50 
1994 12 31.30  22.30  26.80 
1995 01 31.30  22.50  26.90 
1995 02 31.00  22.20  26.60 
1995 03 30.90  22.40  26.65 
1995 04 31.00  22.40  26.70 
1995 05 31.30  22.50  26.90 
1995 06 30.00  22.70  26.35 
1995 07 29.10  21.70  25.40 
1995 08 29.20  22.20  25.70 
1995 09 29.60  22.50  26.05 
1995 10 30.80  22.40  26.59 
1995 11 30.90  22.80  26.84 
1995 12 31.60  22.90  27.25 
1996 01 30.70  22.60  26.65 
1996 02 30.40  22.70  26.55 
1996 03 31.80  22.70  27.25 
1996 04 31.50  22.30  26.90 
1996 05 31.10  22.20  26.65 
1996 06 29.90  22.40  26.15 
1996 07 30.00  22.10  26.05 
1996 08 29.50  21.60  25.55 
1996 09 30.50  22.20  26.35 
1996 10 31.10  22.80  26.95 
1996 11 30.90  22.60  26.75 
1996 12 31.20  23.10  27.15 
1997 01 31.40  22.30  26.84 
1997 02 30.70  22.80  26.75 
1997 03 31.30  22.40  26.84 
1997 04 31.00  22.10  26.55 
1997 05 31.00  21.80  26.40 
1997 06 31.30  20.60  25.95 
1997 07 29.50  22.10  25.80 
1997 08 30.10  18.79  24.45 
1997 09 30.70  20.40  25.55 
1997 10 31.90  21.20  26.55 
1997 11 32.20  21.90  27.05 
1997 12 32.30  22.60  27.45 
1998 01 32.30  22.30  27.30 
1998 02 32.30  23.00  27.65 
1998 03 32.00  23.30  27.65 
1998 04 31.30  23.50  27.40 
1998 05 31.70  23.50  27.60 
1998 06 30.70  23.10  26.90 
1998 07 30.10  22.30  26.20 
1998 08 30.40  22.10  26.25 
1998 09 30.40  22.20  26.30 
1998 10 31.50  22.80  27.15 
1998 11 31.60  23.20  27.40 
1998 12 30.80  23.00  26.90 
1999 01 31.20  23.10  27.15 
1999 02 31.10  22.90  27.00 
1999 03 30.80  22.80  26.80 
1999 04 31.00  23.00  27.00 
1999 05 30.30  22.60  26.45 
1999 06 30.10  22.20  26.15 
1999 07 29.40  21.80  25.59 
1999 08 29.50  22.00  25.75 
1999 09 30.00  21.60  25.80 
1999 10 30.70  22.40  26.55 
1999 11 31.30  22.80  27.05 
2000 05 99.99  23.10 -99.99 
2000 07 99.99  21.50 -99.99 
2000 08 99.99  21.20 -99.99 
2001 05 99.99  23.00 -99.99 
2001 06 99.99  22.60 -99.99 
2001 08 99.99  21.20 -99.99 
2001 09 99.99  21.70 -99.99 
2001 10 99.99  22.10 -99.99 
2002 06 99.99  22.90 -99.99 
2002 07 99.99  20.50 -99.99 
2002 08 99.99  20.10 -99.99 
2002 09 99.99  20.90 -99.99 
2002 10 99.99  21.40 -99.99 
2002 11 99.99  22.60 -99.99 
2003 01 99.99  22.80 -99.99 
2003 02 99.99  23.10 -99.99 
2003 03 99.99  23.00 -99.99 
2003 04 99.99  22.90 -99.99 
2003 05 99.99  23.30 -99.99 
2003 06 99.99  21.10 -99.99 
2003 07 99.99  22.20 -99.99 
2003 08 99.99  21.80 -99.99 
2003 09 99.99  22.00 -99.99 
2003 10 99.99  22.20 -99.99 
2003 11 99.99  22.30 -99.99 
2004 01 99.99  22.80 -99.99 
2004 02 99.99  22.80 -99.99 
2004 03 99.99  23.20 -99.99 
2004 04 99.99  22.90 -99.99 
2004 05 99.99  22.80 -99.99 
2004 06 99.99  21.80 -99.99 
2004 07 99.99  21.60 -99.99 
2004 08 99.99  19.90 -99.99 
2004 09 99.99  21.90 -99.99 
2004 10 99.99  21.80 -99.99 
2004 11 99.99  22.70 -99.99 
2004 12 99.99  23.10 -99.99 
