1991 01 99.99  21.40 -99.99 
1991 02 99.99  21.50 -99.99 
1991 03 99.99  20.40 -99.99 
1991 04 99.99  20.80 -99.99 
1991 05 99.99  19.50 -99.99 
1991 06 99.99  19.79 -99.99 
1991 07 99.99  20.29 -99.99 
1991 08 99.99  20.29 -99.99 
1991 09 99.99  21.70 -99.99 
1991 10 99.99  22.70 -99.99 
1991 11 99.99  24.20 -99.99 
1991 12 99.99  24.20 -99.99 
1992 01 33.09  23.80  28.45 
1992 02 31.70  23.40  27.55 
1992 03 32.59  23.50  28.05 
1992 04 33.09  23.80  28.45 
1992 05 33.40  22.80  28.10 
1992 06 32.50  21.60  27.05 
1992 07 31.50  21.50  26.50 
1992 08 32.59  20.80  26.70 
1992 09 33.80  23.30  28.55 
1992 10 34.80  23.90  29.34 
1992 11 34.20  24.20  29.20 
1992 12 32.50  24.10  28.30 
1993 01 31.10  24.20  27.65 
1993 02 30.60  24.10  27.35 
1993 03 31.30  22.80  27.05 
1993 04 31.70  23.20  27.45 
1994 01 32.09  24.50  28.30 
1994 02 32.50  24.60  28.55 
1994 03 31.10  23.90  27.50 
1994 04 32.00  23.50  27.75 
1994 05 32.00  21.90  26.95 
1994 06 31.10  20.90  26.00 
1994 07 31.00  20.50  25.75 
1994 08 32.00  20.70  26.35 
1994 09 33.59  20.80  27.20 
1994 10 35.30  23.30  29.30 
1994 11 36.00  24.70  30.35 
1994 12 33.09  24.00  28.55 
1995 01 31.80  24.70  28.25 
1995 02 31.50  24.30  27.90 
1995 03 32.20  24.10  28.15 
1995 04 32.40  23.30  27.85 
1995 05 32.59  22.60  27.59 
1995 06 31.50  22.30  26.90 
1995 07 31.60  20.90  26.25 
1995 08 32.30  21.30  26.80 
1995 09 34.20  22.10  28.15 
1995 10 35.09  23.70  29.40 
1995 11 34.00  24.10  29.05 
1995 12 32.40  23.70  28.05 
1999 01 32.20  23.50  27.85 
1999 02 32.00  23.10  27.55 
1999 03 32.09  23.20  27.65 
1999 04 32.50  22.60  27.55 
1999 05 32.20  20.00  26.10 
1999 06 31.90  19.50  25.70 
1999 09 34.40  21.30  27.85 
1999 10 34.20  24.00  29.10 
1999 11 99.99  24.00 -99.99 
2000 01 31.20  23.50  27.35 
2000 02 31.60  23.90  27.75 
2000 03 31.90  23.70  27.80 
2000 04 32.40  23.30  27.85 
2000 05 31.80  23.50  27.65 
2000 06 30.40  21.50  25.95 
2000 07 31.20  19.90  25.55 
2000 08 32.30  19.60  25.95 
2000 09 34.70  21.20  27.95 
2000 10 34.40  22.50  28.45 
2000 11 33.70  23.30  28.50 
2000 12 33.70  23.70  28.70 
