1991 08 99.99  19.53 -99.99 
1992 02 99.99  16.23 -99.99 
1992 10 99.99  18.43 -99.99 
1993 09 99.99  18.48 -99.99 
1994 09 99.99  19.94 -99.99 
1994 10 99.99  19.40 -99.99 
1994 12 99.99  16.52 -99.99 
1995 01 32.00 -99.99 -99.99 
1995 02 33.50  16.29  24.90 
1995 04 32.20  20.12  26.16 
1995 05 32.59  20.62  26.61 
1995 06 29.50 -99.99 -99.99 
1995 07 29.60  19.83  24.71 
1995 08 29.90  19.53  24.71 
1995 09 30.40 -99.99 -99.99 
1995 10 30.60 -99.99 -99.99 
1995 11 31.20 -99.99 -99.99 
1995 12 32.00 -99.99 -99.99 
1996 01 32.70  15.19  23.94 
1996 02 32.50  17.95  25.23 
1996 03 34.59  17.83  26.21 
1996 04 35.20  20.64  27.92 
1996 05 32.70 -99.99 -99.99 
1996 06 29.90 -99.99 -99.99 
1996 07 28.90  18.87  23.89 
1996 08 29.90 -99.99 -99.99 
1996 09 30.20 -99.99 -99.99 
1996 10 30.00 -99.99 -99.99 
1996 11 30.20 -99.99 -99.99 
1996 12 30.70 -99.99 -99.99 
1997 01 31.50 -99.99 -99.99 
1997 02 31.40 -99.99 -99.99 
1997 03 32.50 -99.99 -99.99 
1997 04 33.30 -99.99 -99.99 
1997 05 31.80 -99.99 -99.99 
1997 06 30.60  20.12  25.36 
1997 07 28.70  20.60  24.65 
1997 08 29.80  20.10  24.95 
1997 09 31.30  20.60  25.95 
1997 10 31.60  20.70  26.15 
1997 11 31.70  19.40  25.55 
1997 12 32.00  16.79  24.40 
1998 01 33.40  17.20  25.30 
1998 02 34.50  20.40  27.45 
1998 03 34.30  20.00  27.15 
1998 04 33.40  23.10  28.25 
1998 05 31.00  22.60  26.80 
1998 06 29.70  21.50  25.60 
1998 07 30.00  20.70  25.35 
1998 08 31.00  21.80  26.40 
1998 09 31.00  20.50  25.75 
1998 10 30.70  20.40  25.55 
1998 11 31.60  19.70  25.65 
1998 12 31.60  19.00  25.30 
1999 01 31.30  17.10  24.20 
1999 02 32.50  18.50  25.50 
1999 03 33.70  19.50  26.60 
1999 04 31.50  21.50  26.50 
1999 05 33.09  21.10  27.09 
1999 06 30.90  20.70  25.80 
1999 07 29.60  20.60  25.10 
1999 08 29.80  21.40  25.59 
1999 09 30.60  21.20  25.90 
1999 10 30.80  21.10  25.95 
1999 11 30.90  20.20  25.55 
1999 12 30.00  18.29  24.15 
2000 01 30.30  16.50  23.40 
2000 02 31.50  17.20  24.35 
2000 03 32.09  18.70  25.40 
2000 04 33.09  20.10  26.59 
2000 05 32.30  21.80  27.05 
2000 06 30.80  20.90  25.84 
2000 07 30.40  20.10  25.25 
2000 08 30.10  20.29  25.20 
2000 09 29.20  19.60  24.40 
2000 10 29.50  19.50  24.50 
2000 11 30.20  18.50  24.35 
2000 12 30.00  16.29  23.15 
2001 01 30.80  14.80  22.80 
2001 02 30.90  16.40  23.65 
2001 03 33.09  17.70  25.40 
2001 04 32.50 -99.99 -99.99 
2001 05 31.90  21.40  26.65 
2001 06 30.30  20.40  25.34 
2001 07 30.30  20.10  25.20 
2001 08 29.10  20.20  24.65 
2001 09 30.70  20.00  25.35 
2001 10 30.90  20.70  25.80 
2001 11 32.20  21.90  27.05 
2001 12 32.40  21.60  27.00 
2002 01 32.30  19.29  25.80 
2002 02 33.50  19.00  26.25 
2002 03 34.20  21.70  27.95 
2002 04 34.30  23.40  28.84 
2002 05 32.00  23.60  27.80 
2002 06 31.00  22.90  26.95 
2002 07 31.30  21.50  26.40 
2002 08 30.80  21.60  26.20 
2002 09 31.30  21.80  26.55 
2002 10 32.00  21.70  26.85 
2002 11 32.00  21.50  26.75 
2002 12 31.60  19.29  25.45 
2003 01 33.40  18.79  26.10 
2003 02 34.09  19.70  26.90 
2003 03 35.20  21.20  28.20 
2003 04 32.90  22.60  27.75 
2003 05 32.20  22.10  27.15 
2003 06 30.90  22.40  26.65 
2003 07 29.90  21.20  25.55 
2003 09 30.80  21.30  26.05 
2003 10 30.30  20.70  25.50 
2003 12 30.90  19.50  25.20 
2004 01 31.50  17.20  24.35 
2004 02 32.30  17.79  25.05 
2004 04 33.80  23.20  28.50 
2004 05 31.10  22.60  26.85 
2004 09 30.60  20.40  25.50 
2004 10 31.40  20.60  26.00 
