1991 01 30.60  18.60  24.60 
1991 02 33.40  21.00  27.20 
1991 03 32.70  21.60  27.15 
1991 04 31.20  21.50  26.35 
1991 05 29.70  20.10  24.90 
1991 06 28.90  19.20  24.05 
1991 07 28.60  18.60  23.60 
1991 08 26.70  17.90  22.30 
1991 09 28.80  19.20  24.00 
1991 10 31.10  20.90  26.00 
1991 11 30.80  20.60  25.70 
1991 12 30.50  19.29  24.90 
1992 01 31.30  19.60  25.45 
1992 02 32.20  20.50  26.35 
1992 03 33.20  21.70  27.45 
1992 04 33.20  22.80  28.00 
1992 05 30.30  21.60  25.95 
1992 06 29.10  20.70  24.90 
1992 07 28.40  19.40  23.90 
1992 08 28.10  19.29  23.70 
1992 09 29.50  19.29  24.40 
1992 10 30.50  18.79  24.65 
1992 11 30.40  19.29  24.84 
1992 12 30.40  18.40  24.40 
1993 01 30.80  18.90  24.84 
1993 02 31.50  19.79  25.65 
1993 03 32.09  20.80  26.45 
1993 04 30.30  21.00  25.65 
1993 05 28.30  20.10  24.20 
1993 06 28.70  19.20  23.95 
1993 07 28.80  18.79  23.80 
1993 08 28.10  18.29  23.20 
1993 09 29.80  19.20  24.50 
1993 10 31.80  20.10  25.95 
1993 11 31.30  20.10  25.70 
1993 12 32.00  19.29  25.65 
1994 01 31.90  19.10  25.50 
1994 02 32.09  20.00  26.05 
1994 03 32.80  21.40  27.09 
1994 04 32.30  21.70  27.00 
1994 05 31.60  21.70  26.65 
1994 06 30.00  20.40  25.20 
1994 07 28.90  19.29  24.09 
1994 08 28.70  19.10  23.90 
1994 09 28.00  18.90  23.45 
1994 10 30.60  19.90  25.25 
1994 11 31.20  19.90  25.55 
1994 12 31.70  19.10  25.40 
1995 01 32.50  19.60  26.05 
1995 02 33.59  21.10  27.34 
1995 03 32.80  22.00  27.40 
1995 04 31.30  21.90  26.59 
1995 05 31.40  21.50  26.45 
1995 06 29.60  20.50  25.05 
1995 07 30.10  20.00  25.05 
1995 08 29.70  19.70  24.70 
1995 09 30.60  19.20  24.90 
1995 10 30.20  19.10  24.65 
1995 11 31.10  19.70  25.40 
1995 12 31.80  19.29  25.55 
1996 01 31.80  18.50  25.15 
1996 02 32.50  20.80  26.65 
1996 03 32.40  20.80  26.60 
1996 04 32.70  21.70  27.20 
1996 05 31.30  22.10  26.70 
1996 06 30.00  21.40  25.70 
1996 07 29.60  20.80  25.20 
1996 08 30.50  20.20  25.35 
1996 09 30.80  20.50  25.65 
1996 10 31.20  20.60  25.90 
1996 11 31.20  20.40  25.80 
1996 12 31.10  19.70  25.40 
1997 01 31.90  19.10  25.50 
1997 02 32.00  20.60  26.30 
1997 03 32.30  20.00  26.15 
1997 04 33.00  22.00  27.50 
1997 05 32.00  22.10  27.05 
1997 06 30.90  20.70  25.80 
1997 07 29.50  20.70  25.10 
1997 08 31.90  21.00  26.45 
1997 09 32.59  21.30  26.95 
1997 10 32.40  24.10  28.25 
1997 11 32.50  20.20  26.35 
1997 12 32.80  19.29  26.05 
1998 01 34.20  21.40  27.80 
1998 02 34.50  22.60  28.55 
1998 03 34.70  22.80  28.75 
1998 04 32.80  23.20  28.00 
1998 05 32.30  23.20  27.75 
1998 06 31.40  22.10  26.75 
1998 07 29.90  19.90  24.90 
1998 08 30.10  19.29  24.70 
1998 09 31.70  20.90  26.30 
1998 10 31.90  20.80  26.34 
1998 11 32.90  20.60  26.75 
1998 12 33.20  20.90  27.05 
1999 01 32.90  20.29  26.60 
1999 02 32.30  21.20  26.75 
1999 03 33.70  21.70  27.70 
1999 04 31.50  21.80  26.65 
1999 05 32.20  21.20  26.70 
1999 06 30.80  20.29  25.55 
1999 07 29.70  19.40  24.55 
1999 08 28.80  19.29  24.05 
1999 09 30.00  19.29  24.65 
1999 10 29.90  19.00  24.45 
1999 11 31.00  20.80  25.90 
1999 12 30.80  20.20  25.50 
2000 01 31.10  19.60  25.35 
2000 02 31.40  20.40  25.90 
2000 03 30.90  20.60  25.75 
2000 04 32.30  21.70  27.00 
2000 05 31.30  22.30  26.80 
2000 06 30.40  21.00  25.70 
2000 07 30.40  20.50  25.45 
2000 08 30.40  20.60  25.50 
2000 09 29.70  20.20  24.95 
2000 10 30.60  20.40  25.50 
2000 11 31.30  20.29  25.80 
2000 12 31.70  21.00  26.35 
