1981 01 29.10  20.80  24.95 
1981 02 29.70  23.20  26.45 
1981 03 29.70  22.80  26.25 
1981 04 28.10  19.60  23.85 
1981 05 26.40  17.90  22.15 
1981 06 25.70  14.60  20.15 
1981 07 24.20  15.20  19.70 
1981 08 24.80  10.70  17.75 
1981 09 24.80  16.00  20.40 
1981 10 25.50  19.60  22.55 
1981 11 27.00  18.40  22.70 
1981 12 28.50  22.90  25.70 
1982 01 29.60  22.60  26.10 
1982 02 29.40  22.00  25.70 
1982 03 28.50  23.20  25.85 
1982 04 26.80  21.90  24.34 
1982 05 25.50  19.00  22.25 
1982 06 23.50  14.90  19.20 
1982 07 23.50  13.50  18.50 
1982 08 22.80  16.50  19.65 
1982 09 24.00  13.90  18.95 
1982 10 25.30  15.30  20.29 
1982 11 26.60  20.90  23.75 
1982 12 28.00  19.79  23.90 
1983 01 29.10  23.00  26.05 
1983 02 28.80  21.10  24.95 
1983 03 29.00  21.40  25.20 
1983 04 28.10  19.10  23.60 
1983 05 26.30  19.40  22.84 
1983 06 24.90  16.10  20.50 
1983 07 24.10  14.10  19.10 
1983 08 24.10  16.20  20.15 
1983 09 25.60  16.10  20.85 
1983 10 26.20  19.40  22.80 
1983 11 27.20  19.79  23.50 
1983 12 27.70  21.50  24.60 
1984 01 28.10  21.30  24.70 
1984 02 28.10  21.50  24.80 
1984 03 28.60  21.60  25.10 
1984 04 27.60  21.00  24.30 
1984 05 25.70  19.70  22.70 
1984 06 25.00  19.10  22.05 
1984 07 24.30  17.60  20.95 
1984 08 24.30  14.60  19.45 
1984 09 25.40  15.00  20.20 
1984 10 25.60  19.50  22.55 
1984 11 26.90  21.90  24.40 
1984 12 29.30  20.50  24.90 
1985 01 29.80  22.50  26.15 
1985 02 30.60  23.80  27.20 
1985 03 28.70  22.00  25.35 
1985 04 28.40  22.10  25.25 
1985 05 25.10  17.79  21.45 
1985 06 23.80  16.70  20.25 
1985 07 23.10  16.60  19.85 
1985 08 23.60  16.00  19.79 
1985 09 24.10  15.70  19.90 
1985 10 25.80  19.29  22.55 
1985 11 26.90  19.70  23.30 
1985 12 28.40  19.10  23.75 
1986 01 30.80  23.10  26.95 
1986 02 29.90  23.10  26.50 
1986 03 28.20  22.00  25.10 
1986 04 27.30  22.50  24.90 
1986 05 25.60  19.90  22.75 
1986 06 24.20  15.50  19.85 
1986 07 23.70  14.00  18.85 
1986 08 23.70  12.00  17.85 
1986 09 24.10  14.60  19.35 
1986 10 26.70  15.00  20.85 
1986 11 28.00  19.90  23.95 
1986 12 27.90  20.90  24.40 
1987 01 28.90  20.00  24.45 
1987 02 28.20  22.50  25.35 
1987 03 28.10  20.60  24.35 
1987 04 27.50  20.50  24.00 
1987 05 26.50  20.90  23.70 
1987 06 25.10  17.10  21.10 
1987 07 23.60  15.40  19.50 
1987 08 24.40  16.40  20.40 
1987 09 24.40  15.50  19.95 
1987 10 26.60  16.50  21.55 
1987 11 27.30  18.29  22.80 
1987 12 28.80  21.70  25.25 
1988 01 28.90  23.60  26.25 
1988 02 30.00  23.80  26.90 
1988 03 28.30  21.60  24.95 
1988 04 28.00  21.80  24.90 
1988 05 26.80  20.50  23.65 
1988 06 26.00  19.60  22.80 
1988 07 24.40  17.40  20.90 
1988 08 24.40  18.29  21.34 
1988 09 25.90  20.00  22.95 
1988 10 27.20  19.29  23.25 
1988 11 28.40  21.90  25.15 
1988 12 28.00  21.70  24.85 
1989 01 29.50  22.40  25.95 
1989 02 28.70  23.10  25.90 
1989 03 28.80  22.60  25.70 
1989 04 27.10  22.10  24.60 
1989 05 25.70  19.60  22.65 
1989 06 25.00  18.50  21.75 
1989 07 24.30  13.30  18.79 
1989 08 23.50  13.90  18.70 
1989 09 24.80  15.10  19.95 
1989 10 26.60  17.29  21.95 
1989 11 27.60  18.70  23.15 
1989 12 28.60  22.40  25.50 
1990 01 29.60  23.30  26.45 
1990 02 29.60  22.50  26.05 
1990 03 29.20  23.90  26.55 
1990 04 27.60  21.70  24.65 
1990 05 26.40  19.90  23.15 
1990 06 25.30  16.40  20.84 
1990 07 24.60  15.90  20.25 
1990 08 24.80  14.30  19.54 
1990 09 24.40  15.00  19.70 
1990 10 26.00  17.90  21.95 
1990 11 27.10  19.29  23.20 
1990 12 28.80  22.10  25.45 
1991 01 99.99  22.90 -99.99 
1991 02 99.99  23.60 -99.99 
1991 03 99.99  22.10 -99.99 
1991 04 99.99  19.79 -99.99 
1991 05 99.99  18.29 -99.99 
1991 06 99.99  15.30 -99.99 
1991 07 99.99  13.40 -99.99 
1991 08 99.99  14.70 -99.99 
1991 09 99.99  13.10 -99.99 
1991 10 99.99  17.70 -99.99 
1991 11 99.99  17.00 -99.99 
1991 12 99.99  19.79 -99.99 
1992 01 99.99  21.90 -99.99 
1992 02 99.99  22.80 -99.99 
1992 03 99.99  23.10 -99.99 
1992 04 99.99  21.70 -99.99 
1992 05 99.99  17.29 -99.99 
1992 06 99.99  17.00 -99.99 
1992 08 99.99  13.40 -99.99 
1992 09 99.99  13.80 -99.99 
1992 10 99.99  15.30 -99.99 
1992 11 99.99  18.29 -99.99 
1992 12 99.99  20.10 -99.99 
1993 01 99.99  22.20 -99.99 
1993 02 99.99  20.80 -99.99 
1993 03 99.99  23.30 -99.99 
1993 04 99.99  20.70 -99.99 
1993 05 99.99  18.79 -99.99 
1993 06 99.99  16.60 -99.99 
1993 07 99.99  18.20 -99.99 
1993 08 99.99  13.30 -99.99 
1993 09 99.99  14.60 -99.99 
1993 10 99.99  17.50 -99.99 
1993 11 99.99  18.00 -99.99 
1993 12 99.99  20.60 -99.99 
1994 01 99.99  23.90 -99.99 
1994 02 99.99  22.20 -99.99 
1994 03 99.99  22.70 -99.99 
1994 04 99.99  21.50 -99.99 
1994 05 99.99  17.90 -99.99 
1994 06 99.99  16.29 -99.99 
1994 07 99.99  13.90 -99.99 
1994 08 99.99  16.90 -99.99 
1994 09 99.99  13.50 -99.99 
1994 10 99.99  14.00 -99.99 
1994 11 99.99  19.90 -99.99 
1994 12 99.99  19.20 -99.99 
1995 01 99.99  21.50 -99.99 
1995 02 99.99  22.70 -99.99 
1995 03 99.99  24.30 -99.99 
1995 04 99.99  21.80 -99.99 
1995 05 99.99  19.29 -99.99 
1995 06 99.99  16.79 -99.99 
1995 07 99.99  14.40 -99.99 
1995 08 99.99  17.50 -99.99 
1995 09 99.99  18.50 -99.99 
1995 10 99.99  20.60 -99.99 
1995 12 99.99  21.40 -99.99 
1996 01 29.40  23.20  26.30 
1996 02 30.10  23.50  26.80 
1996 03 29.20  24.00  26.60 
1996 04 28.60  23.50  26.05 
1996 05 26.20  18.50  22.35 
1996 06 24.70  17.20  20.95 
1996 07 23.70  15.50  19.60 
1996 08 23.90  14.60  19.25 
1996 09 25.60  19.20  22.40 
1996 10 25.90  19.29  22.59 
1996 11 27.70  18.90  23.30 
1996 12 29.60  21.70  25.65 
1997 01 29.40  23.60  26.50 
1997 02 29.80  22.90  26.34 
1997 03 29.60  21.80  25.70 
1997 04 27.30  20.70  24.00 
1997 05 26.00  20.60  23.30 
1997 06 24.40  18.70  21.55 
1997 07 23.50  15.30  19.40 
1997 08 23.30  13.50  18.40 
1997 09 24.80  14.60  19.70 
1997 10 26.20  17.29  21.75 
1997 11 27.60  20.29  23.95 
1997 12 29.80  22.40  26.09 
1998 01 29.00  23.70  26.35 
1998 02 29.60  24.00  26.80 
1998 03 28.90  23.30  26.09 
1998 04 29.10  22.20  25.65 
1998 05 26.80  21.20  24.00 
1998 06 25.80  19.29  22.55 
1998 07 25.50  18.70  22.10 
1998 08 25.50  19.60  22.55 
1998 09 25.60  18.40  22.00 
1998 10 27.50  19.60  23.55 
1998 11 27.40  20.10  23.75 
1998 12 28.80  22.70  25.75 
1999 01 29.80  23.90  26.84 
1999 02 29.50  24.40  26.95 
1999 03 29.80  23.10  26.45 
1999 04 28.50  21.20  24.85 
1999 05 26.80  22.40  24.59 
1999 06 24.60  15.50  20.04 
1999 07 24.40  19.10  21.75 
1999 08 24.00  17.00  20.50 
1999 09 24.80  18.79  21.80 
1999 10 26.40  19.40  22.90 
1999 11 27.10  19.40  23.25 
1999 12 27.60  21.50  24.55 
2000 01 29.10  21.90  25.50 
2000 02 29.60  22.90  26.25 
2000 03 28.50  23.20  25.85 
2000 04 27.50  21.60  24.55 
2000 05 26.50  20.40  23.45 
2000 06 24.10  18.29  21.20 
2000 07 24.50  13.40  18.95 
2000 08 24.60  17.10  20.85 
2000 09 25.70  16.90  21.30 
2000 10 26.60  19.79  23.20 
2000 11 27.20  20.20  23.70 
2000 12 28.60  20.70  24.65 
2001 01 29.40  22.10  25.75 
2001 02 29.50  23.80  26.65 
2001 03 29.90  22.60  26.25 
2001 04 27.90  21.00  24.45 
2001 05 27.00  18.29  22.65 
2001 06 24.80  17.00  20.90 
2001 07 24.30  13.90  19.09 
2001 08 24.80  16.00  20.40 
2001 09 25.50  17.20  21.35 
2001 10 26.90  17.10  22.00 
2001 11 28.50  21.00  24.75 
2001 12 30.10  20.20  25.15 
2002 01 30.90  23.10  27.00 
2002 02 29.90  24.10  27.00 
2002 03 29.00  22.70  25.85 
2002 04 27.80  22.40  25.09 
2002 05 26.40  18.60  22.50 
2002 06 25.60  19.29  22.45 
2002 07 23.80  14.40  19.09 
2002 08 24.00  17.10  20.55 
2002 09 25.50  15.60  20.55 
2002 10 26.10  18.29  22.20 
2002 11 27.00  20.50  23.75 
2002 12 28.70  21.10  24.90 
2003 01 29.20  21.40  25.30 
2003 02 29.50  23.30  26.40 
2003 03 29.40  21.80  25.59 
2003 04 27.90  20.70  24.30 
2003 05 26.80  21.00  23.90 
2003 06 25.50  19.10  22.30 
2003 07 24.40  16.50  20.45 
2003 08 24.00  11.90  17.95 
2003 09 25.30  13.70  19.50 
2003 10 26.50  16.70  21.60 
2003 11 27.00  20.20  23.60 
2003 12 28.50  23.00  25.75 
2004 01 29.90  22.40  26.15 
2004 02 31.60  23.70  27.65 
2004 03 28.80  23.50  26.15 
2004 04 27.20  21.30  24.25 
2004 05 26.40  17.79  22.09 
2004 06 24.90  18.79  21.84 
2004 07 24.10  16.10  20.10 
2004 08 23.70  14.00  18.85 
2004 09 24.50  17.40  20.95 
2004 10 99.99  17.90 -99.99 
2004 11 26.80  19.20  23.00 
2004 12 28.10  21.10  24.60 
