1996 02 29.30  27.00  28.15 
1996 03 29.60  23.90  26.75 
1996 05 30.10  21.60  25.85 
1996 06 31.20  26.40  28.80 
1996 07 31.60  25.30  28.45 
1996 08 30.10  27.00  28.55 
1996 09 29.70  24.20  26.95 
1996 10 29.10  26.00  27.55 
1996 11 29.20  24.80  27.00 
1996 12 27.90  26.30  27.09 
1997 01 27.80  25.90  26.84 
1997 02 29.70  22.80  26.25 
1997 03 29.40  26.50  27.95 
1997 04 29.90  27.50  28.70 
1997 05 32.30  28.70  30.50 
1997 06 30.80  25.10  27.95 
1997 07 31.60  25.60  28.60 
1997 08 31.50  28.30  29.90 
1997 09 30.90  25.80  28.34 
1997 10 30.30  25.10  27.70 
1997 11 29.70  25.30  27.50 
1997 12 30.00  26.90  28.45 
1998 01 29.50  26.90  28.20 
1998 03 30.40  27.10  28.75 
1998 04 31.20  28.50  29.85 
1998 05 31.00  25.30  28.15 
1998 06 30.80  25.50  28.15 
1998 07 30.00  24.20  27.10 
1998 08 30.70  25.80  28.25 
1998 09 29.70  26.20  27.95 
1998 10 29.70  26.50  28.10 
1998 11 29.70  26.40  28.05 
1998 12 28.60  26.20  27.40 
1999 01 28.60  26.40  27.50 
1999 02 28.10  25.60  26.85 
1999 03 29.50  25.40  27.45 
1999 04 31.40  26.60  29.00 
1999 05 30.60  24.40  27.50 
1999 06 30.80  26.00  28.40 
1999 07 30.70  25.50  28.10 
1999 08 30.10  25.90  28.00 
1999 09 29.50  24.30  26.90 
1999 10 28.50  24.50  26.50 
1999 11 28.70  25.80  27.25 
1999 12 27.80  25.20  26.50 
2000 01 27.70  25.00  26.35 
2000 02 28.40  26.20  27.30 
2000 03 28.80  25.20  27.00 
2000 04 30.10  27.10  28.60 
2000 05 31.00  27.20  29.10 
2000 06 30.70  25.00  27.85 
2000 07 30.90  25.90  28.40 
2000 08 30.90  26.40  28.65 
2000 09 29.70  25.70  27.70 
2000 10 29.90  27.20  28.55 
2000 11 29.10  26.90  28.00 
2000 12 29.00  26.00  27.50 
2001 01 29.90  26.10  28.00 
2001 02 30.20  26.80  28.50 
2001 03 29.70  25.60  27.65 
2001 04 31.10  28.50  29.80 
2001 05 31.20  27.20  29.20 
2001 06 32.00  28.00  30.00 
2001 07 31.80  27.40  29.59 
2001 08 31.80  27.40  29.59 
2001 09 30.90  26.40  28.65 
2001 10 31.00  26.90  28.95 
2001 11 30.50  26.80  28.65 
2001 12 29.90  28.20  29.05 
