1995 08 26.70  18.50  22.60 
1995 09 29.20  19.79  24.50 
1995 10 29.40  20.20  24.80 
1995 11 30.60 -99.99 -99.99 
1996 01 31.80  18.00  24.90 
1996 02 32.30  19.79  26.05 
1996 03 33.70  20.60  27.15 
1996 04 33.09  21.50  27.30 
1996 05 32.70  22.50  27.60 
1996 06 29.80  25.80  27.80 
1996 07 31.20  22.90  27.05 
1996 08 29.90  21.70  25.80 
1996 09 30.10  21.20  25.65 
1996 10 29.40  21.00  25.20 
1996 11 30.50  20.80  25.65 
1996 12 33.40  21.60  27.50 
1997 01 34.09  20.90  27.50 
1997 02 33.20  22.40  27.80 
1997 03 34.70  22.00  28.35 
1997 04 35.59  24.40  30.00 
1997 05 33.90  24.50  29.20 
1997 06 31.30  22.30  26.80 
1997 07 29.20 -99.99 -99.99 
1997 08 30.20  21.20  25.70 
1997 10 32.90  21.70  27.30 
1997 11 32.70  20.90  26.80 
1997 12 33.50  20.90  27.20 
1998 01 34.40  20.90  27.65 
1998 02 35.30  22.60  28.95 
1998 03 35.40  23.30  29.35 
1998 04 35.40  24.70  30.05 
1998 05 31.30  22.10  26.70 
1998 06 31.30  22.10  26.70 
1998 07 30.70  22.20  26.45 
1998 08 30.90  23.40  27.15 
1998 09 30.70  22.20  26.45 
1998 11 99.99  17.40 -99.99 
1999 07 30.90  21.50  26.20 
1999 08 31.10  22.50  26.80 
1999 09 28.10  24.60  26.35 
1999 10 31.90  22.30  27.09 
1999 11 33.00  22.10  27.55 
2000 01 33.80  20.20  27.00 
2000 02 34.30  21.00  27.65 
2000 03 34.70  22.00  28.35 
2000 04 36.00  23.70  29.85 
2000 05 35.20  24.60  29.90 
2000 06 33.30  23.60  28.45 
2000 07 32.80  22.70  27.75 
2000 08 32.40  23.00  27.70 
2000 09 32.20  22.80  27.50 
2000 10 33.20  22.40  27.80 
2000 11 33.09  22.20  27.65 
2000 12 33.30  21.50  27.40 
2001 01 33.50  20.60  27.05 
2001 02 34.50  21.00  27.75 
2001 03 35.80  22.90  29.34 
2001 04 36.40  23.60  30.00 
2001 05 35.30  24.90  30.09 
2001 06 33.20  23.10  28.15 
2001 07 33.70  22.80  28.25 
2001 08 31.40  22.10  26.75 
2001 09 33.80  22.90  28.34 
2001 10 33.40  22.30  27.85 
2001 11 34.00  22.30  28.15 
2001 12 33.30  21.90  27.59 
2002 01 33.70  20.40  27.05 
2002 02 34.30  21.00  27.65 
2002 03 34.90  22.60  28.75 
2002 04 34.59  23.10  28.84 
2002 05 32.80  23.20  28.00 
2002 07 30.90  21.80  26.34 
2002 08 31.30  21.80  26.55 
2002 09 32.00  22.90  27.45 
2002 10 33.09  22.40  27.75 
2002 11 32.70  21.20  26.95 
2002 12 33.00  21.40  27.20 
2003 01 32.80  21.30  27.05 
2003 02 33.90  21.60  27.75 
2003 03 34.59  22.20  28.40 
2003 04 33.30  22.50  27.90 
2003 05 31.90  21.80  26.84 
2003 06 31.80  23.30  27.55 
2003 07 30.30  22.90  26.59 
2003 09 27.90  23.30  25.59 
2003 10 31.80  23.70  27.75 
2003 12 32.50  23.40  27.95 
2004 01 32.59  22.70  27.65 
2004 02 32.90  23.20  28.05 
2004 09  6.00   3.30   4.65 
