1981 01 99.99 -99.99  25.10 
1981 02 99.99 -99.99  26.30 
1981 03 99.99 -99.99  25.60 
1981 04 99.99 -99.99  25.80 
1981 05 99.99 -99.99  24.40 
1981 06 99.99 -99.99  23.40 
1981 07 99.99 -99.99  22.70 
1981 08 99.99 -99.99  24.60 
1981 09 99.99 -99.99  27.00 
1981 10 99.99 -99.99  26.60 
1981 11 99.99 -99.99  25.30 
1981 12 99.99 -99.99  26.00 
1982 01 99.99 -99.99  24.50 
1982 02 99.99 -99.99  26.00 
1982 03 99.99 -99.99  26.00 
1982 04 99.99 -99.99  25.90 
1982 05 99.99 -99.99  25.40 
1982 06 99.99 -99.99  24.60 
1982 07 99.99 -99.99  23.80 
1982 08 99.99 -99.99  25.80 
1982 09 99.99 -99.99  27.30 
1982 10 99.99 -99.99  27.00 
1982 11 99.99 -99.99  26.30 
1982 12 99.99 -99.99  25.90 
1983 01 99.99 -99.99  25.60 
1983 02 99.99 -99.99  26.30 
1983 03 99.99 -99.99  25.80 
1983 04 99.99 -99.99  26.80 
1983 05 99.99 -99.99  26.30 
1983 06 99.99 -99.99  24.90 
1983 07 99.99 -99.99  25.20 
1983 08 99.99 -99.99  25.90 
1983 09 99.99 -99.99  28.10 
1983 10 99.99 -99.99  26.30 
1983 11 99.99 -99.99  25.80 
1983 12 99.99 -99.99  25.20 
1984 01 99.99 -99.99  25.60 
1984 02 99.99 -99.99  25.60 
1984 03 99.99 -99.99  25.50 
1984 04 99.99 -99.99  25.80 
1984 05 99.99 -99.99  25.70 
1984 06 99.99 -99.99  24.30 
1984 07 99.99 -99.99  24.30 
1984 08 99.99 -99.99  26.00 
1984 09 99.99 -99.99  26.90 
1984 10 99.99 -99.99  26.80 
1984 11 99.99 -99.99  26.70 
1984 12 99.99 -99.99  26.10 
1985 01 99.99 -99.99  24.50 
1985 02 99.99 -99.99  25.50 
1985 03 99.99 -99.99  25.80 
1985 04 99.99 -99.99  25.70 
1985 05 99.99 -99.99  25.80 
1985 06 99.99 -99.99  23.30 
1985 07 99.99 -99.99  24.20 
1985 08 99.99 -99.99  25.90 
1985 09 99.99 -99.99  27.20 
1985 10 99.99 -99.99  26.10 
1985 11 99.99 -99.99  25.80 
1985 12 99.99 -99.99  25.00 
1986 01 99.99 -99.99  25.50 
1986 02 99.99 -99.99  25.60 
1986 03 99.99 -99.99  25.50 
1986 04 99.99 -99.99  26.20 
1986 05 99.99 -99.99  26.00 
1986 06 99.99 -99.99  24.00 
1986 07 99.99 -99.99  25.00 
1986 08 99.99 -99.99  26.40 
1986 09 99.99 -99.99  27.50 
1986 10 99.99 -99.99  26.40 
1986 11 99.99 -99.99  26.80 
1986 12 99.99 -99.99  25.80 
1987 01 99.99 -99.99  26.50 
1987 02 99.99 -99.99  26.10 
1987 03 99.99 -99.99  25.50 
1987 04 99.99 -99.99  26.40 
1987 05 99.99 -99.99  26.70 
1987 06 99.99 -99.99  25.60 
1987 07 99.99 -99.99  25.50 
1987 08 99.99 -99.99  27.20 
1987 09 99.99 -99.99  27.90 
1987 10 99.99 -99.99  28.00 
1987 11 99.99 -99.99  26.90 
1987 12 99.99 -99.99  25.90 
1988 01 99.99 -99.99  26.60 
1988 02 99.99 -99.99  26.10 
1988 03 99.99 -99.99  25.90 
1988 04 99.99 -99.99  26.40 
1988 05 99.99 -99.99  26.30 
1988 06 99.99 -99.99  24.40 
1988 07 99.99 -99.99  23.90 
1988 08 99.99 -99.99  24.70 
1988 09 99.99 -99.99  27.40 
1988 10 99.99 -99.99  26.80 
1988 11 99.99 -99.99  26.10 
1988 12 99.99 -99.99  25.30 
1989 01 99.99 -99.99  25.40 
1989 02 99.99 -99.99  25.30 
1989 03 99.99 -99.99  25.30 
1989 04 99.99 -99.99  25.90 
1989 05 99.99 -99.99  25.00 
1989 06 99.99 -99.99  25.00 
1989 07 99.99 -99.99  24.10 
1989 08 99.99 -99.99  26.80 
1989 09 99.99 -99.99  27.80 
1989 10 99.99 -99.99  26.90 
1989 11 99.99 -99.99  25.90 
1989 12 99.99  21.80  24.20 
1990 01 99.99  22.00 -99.99 
1990 02 30.60  22.40  26.50 
1990 03 32.80  22.40  27.59 
1990 04 33.09  22.40  27.75 
1990 05 99.99  21.70 -99.99 
1990 06 99.99  18.70 -99.99 
1990 08 35.30  20.10  27.70 
1990 09 34.30  22.20  28.25 
1990 10 99.99  22.60 -99.99 
1990 11 34.20 -99.99 -99.99 
1990 12 99.99  22.50 -99.99 
1991 01 29.90  22.20  26.05 
1991 02 32.00  22.80  27.40 
1991 04 32.40  21.80  27.10 
1991 05 99.99  21.60 -99.99 
1991 06 33.09  19.20  26.15 
1991 08 33.90  18.20  26.05 
1991 09 34.20  20.90  27.55 
1991 10 34.90  22.40  28.65 
1991 11 31.80  22.40  27.09 
1991 12 99.99  22.50 -99.99 
1992 01 99.99  22.50 -99.99 
1992 02 28.70  21.70  25.20 
1992 03 32.09  22.30  27.20 
1992 04 32.70  22.30  27.50 
1992 05 33.80  20.80  27.30 
1992 06 32.80  19.40  26.09 
1992 07 33.40  18.00  25.70 
1992 08 35.59  19.10  27.34 
1992 09 35.40  22.00  28.70 
1992 10 33.40  22.20  27.80 
1992 11 31.50  22.10  26.80 
1992 12 29.10  21.80  25.45 
1993 01 32.40  21.70  27.05 
1993 02 30.90  21.70  26.30 
1993 03 99.99  22.30 -99.99 
1993 04 33.40  22.10  27.75 
1993 06 32.80  18.20  25.50 
1993 07 34.50  17.29  25.90 
1993 08 35.70  20.00  27.85 
1993 09 36.00  21.40  28.70 
1993 10 34.40  22.60  28.50 
1993 11 99.99  22.20 -99.99 
1993 12 31.60  22.70  27.15 
1994 01 99.99  22.10 -99.99 
1994 02 32.30  22.10  27.20 
1994 03 31.30  22.50  26.90 
1994 04 32.59  22.50  27.55 
1994 05 33.90  21.60  27.75 
1994 06 33.09  20.20  26.65 
1994 07 32.59  18.50  25.55 
1994 08 35.40  17.79  26.60 
1994 09 37.20  20.90  29.05 
1994 10 99.99  22.90 -99.99 
1994 11 99.99  22.80 -99.99 
1994 12 99.99  22.50 -99.99 
1995 01 32.50  22.10  27.30 
1995 02 31.60  22.30  26.95 
1995 03 32.50  22.60  27.55 
1995 04 31.60  22.60  27.10 
1995 05 31.80  22.40  27.09 
1995 06 32.59  18.40  25.50 
1995 07 33.00  18.60  25.80 
1995 08 35.50  18.40  26.95 
1995 09 36.70  21.90  29.30 
1995 10 36.70  22.80  29.75 
1995 11 32.20 -99.99 -99.99 
1995 12 31.60  22.30  26.95 
1996 01 32.80  22.10  27.45 
1996 02 33.20  22.90  28.05 
1996 03 31.90  22.40  27.15 
1996 04 32.09  22.50  27.30 
1996 05 32.50  21.90  27.20 
1996 06 32.59  18.50  25.55 
1996 07 33.59  17.20  25.40 
1996 08 36.09  20.40  28.25 
1996 09 37.50  22.10  29.80 
1996 10 33.90  22.90  28.40 
1996 11 32.00  22.80  27.40 
1996 12 32.90  22.70  27.80 
1997 01 30.60  21.20  25.90 
1997 02 32.40  22.10  27.25 
1997 03 29.90  22.50  26.20 
1997 04 31.40  22.30  26.84 
1997 05 31.60  20.60  26.10 
1997 06 32.59  18.79  25.70 
1997 07 32.70  17.90  25.30 
1997 08 34.80  18.90  26.84 
1997 09 36.09  22.20  29.15 
1997 11 34.70  22.90  28.80 
1997 12 33.09  22.80  27.95 
1998 01 99.99  22.90 -99.99 
1998 02 33.59  23.80  28.70 
1998 03 33.80  23.40  28.59 
1998 04 35.40  24.00  29.70 
1998 05 34.70  21.90  28.30 
1998 06 34.50  19.20  26.85 
1998 07 35.40  18.20  26.80 
1998 08 38.40  19.79  29.10 
1998 09 38.50  22.40  30.45 
1998 10 36.20  23.70  29.95 
1998 11 32.70  23.00  27.85 
1998 12 32.90  22.90  27.90 
1999 01 33.20  22.80  28.00 
1999 02 33.00  22.30  27.65 
1999 03 32.50  22.50  27.50 
1999 04 33.59  22.50  28.05 
1999 05 99.99  21.10 -99.99 
1999 06 34.40  19.20  26.80 
1999 07 34.20  18.70  26.45 
1999 08 35.50  19.79  27.65 
1999 09 37.20  22.50  29.85 
1999 10 36.00  22.70  29.35 
1999 11 32.00  22.70  27.35 
1999 12 30.90  22.70  26.80 
2000 01 31.80  22.40  27.09 
2000 02 31.10  22.10  26.60 
2000 03 32.20  22.50  27.35 
2000 04 32.40  22.00  27.20 
2000 05 33.30  20.10  26.70 
2000 06 33.50  18.70  26.10 
2000 07 34.40  18.79  26.60 
2000 08 36.09  20.10  28.09 
2000 09 34.80  22.20  28.50 
2000 10 35.70  22.10  28.90 
2000 11 31.40  22.30  26.84 
2000 12 31.30  22.70  27.00 
2001 01 32.59  22.20  27.40 
2001 02 32.70  22.10  27.40 
2001 03 31.80  22.30  27.05 
2001 04 32.90  22.00  27.45 
2001 05 34.09  22.00  28.05 
2001 06 33.59  19.50  26.55 
2001 07 34.59  18.60  26.59 
2001 08 34.80  19.50  27.15 
2001 09 37.00  22.30  29.65 
2001 10 33.59  22.30  27.95 
2001 11 33.20  22.60  27.90 
2001 12 32.09  22.90  27.50 
2002 01 30.90  22.50  26.70 
2002 02 32.59  22.80  27.70 
2002 03 99.99  22.80 -99.99 
2002 04 99.99  22.40 -99.99 
2002 05 33.90  20.60  27.25 
2002 06 33.40  18.70  26.05 
2002 07 34.80  19.40  27.09 
2002 08 36.30  19.50  27.90 
2002 09 36.50  21.70  29.10 
2002 10 36.50  22.50  29.50 
2002 11 35.09  22.60  28.84 
2002 12 32.50  22.00  27.25 
2003 01 32.40  22.60  27.50 
2003 02 32.59  22.20  27.40 
2003 03 32.30  22.50  27.40 
2003 04 33.20  22.70  27.95 
2003 05 33.00  21.90  27.45 
2003 06 33.09  18.79  25.95 
2003 07 33.30  17.20  25.25 
2003 08 35.50  20.70  28.10 
2003 09 36.80  22.40  29.59 
2003 10 35.09  23.00  29.05 
2003 11 33.50  23.00  28.25 
2003 12 33.20  23.00  28.10 
2004 01 30.80  22.80  26.80 
2004 02 31.00  22.60  26.80 
2004 03 31.60  22.70  27.15 
2004 04 32.30  22.80  27.55 
2004 05 33.59  22.00  27.80 
2004 06 32.70  19.20  25.95 
2004 07 33.00  18.10  25.55 
2004 08 35.40  16.90  26.15 
2004 09 36.90  18.70  27.80 
2004 10 35.00  22.50  28.75 
2004 11 34.20  22.50  28.35 
2004 12 32.59  22.40  27.50 
