1998 05 36.80  25.70  31.25 
1998 06 34.40  25.30  29.85 
1998 07 33.50  25.10  29.30 
1998 08 33.30  24.70  29.00 
1998 09 32.40  24.60  28.50 
1998 10 32.80  23.80  28.30 
1998 11 31.30  21.80  26.55 
1998 12 31.20  20.00  25.60 
1999 01 32.40  20.20  26.30 
1999 02 34.00  21.50  27.75 
1999 03 35.59  23.90  29.75 
1999 04 34.00  24.50  29.25 
1999 05 32.90  24.10  28.50 
1999 06 32.59  23.90  28.25 
1999 07 32.30  23.70  28.00 
1999 08 32.30  23.30  27.80 
1999 09 32.80  22.90  27.84 
1999 10 32.20  23.40  27.80 
1999 11 31.20  21.90  26.55 
1999 12 28.80  17.29  23.05 
2000 01 32.59  20.70  26.65 
2000 02 33.30  20.40  26.84 
2000 03 35.09  23.60  29.34 
2000 04 34.40  24.70  29.55 
2000 05 34.20  25.10  29.65 
2000 06 32.30  24.30  28.30 
2000 07 31.70  23.90  27.80 
2000 08 32.30  24.60  28.45 
2000 09 31.90  24.10  28.00 
2000 10 31.80  24.20  28.00 
2000 11 31.80  20.90  26.34 
2000 12 32.70  21.00  26.85 
