1979 01 99.99 -99.99  26.50 
1979 02 99.99 -99.99  26.60 
1979 04 99.99 -99.99  27.10 
1979 05 99.99 -99.99  26.10 
1979 06 99.99 -99.99  25.60 
1979 07 99.99 -99.99  24.60 
1979 08 99.99 -99.99  24.00 
1979 09 99.99 -99.99  24.60 
1979 10 99.99 -99.99  25.40 
1979 11 99.99 -99.99  26.10 
1979 12 99.99 -99.99  26.10 
1980 01 99.99 -99.99  26.40 
1980 02 99.99 -99.99  26.60 
1980 03 99.99 -99.99  26.70 
1980 04 99.99 -99.99  27.10 
1980 05 99.99 -99.99  25.90 
1980 06 99.99 -99.99  25.20 
1980 07 99.99 -99.99  24.20 
1980 08 99.99 -99.99  24.10 
1980 09 99.99 -99.99  24.50 
1980 10 99.99 -99.99  25.50 
1980 11 99.99 -99.99  25.80 
1980 12 99.99 -99.99  25.50 
1981 01 99.99 -99.99  25.80 
1981 02 99.99 -99.99  26.40 
1981 03 99.99 -99.99  26.90 
1981 04 99.99 -99.99  27.10 
1981 05 99.99 -99.99  26.00 
1981 06 99.99 -99.99  25.80 
1981 07 99.99 -99.99  24.00 
1981 08 99.99 -99.99  24.10 
1981 09 99.99 -99.99  24.80 
1981 10 99.99 -99.99  25.90 
1981 11 99.99 -99.99  26.40 
1981 12 99.99 -99.99  26.40 
1982 01 99.99 -99.99  26.00 
1982 02 99.99 -99.99  26.40 
1982 03 99.99 -99.99  26.90 
1982 04 99.99 -99.99  26.80 
1982 05 99.99 -99.99  25.90 
1982 07 99.99 -99.99  23.80 
1982 08 99.99 -99.99  23.60 
1982 09 99.99 -99.99  24.50 
1982 10 99.99 -99.99  25.10 
1982 11 99.99 -99.99  25.90 
1983 03 99.99 -99.99  27.60 
1983 04 99.99 -99.99  27.40 
1983 05 99.99 -99.99  26.40 
1983 06 99.99 -99.99  25.10 
1983 07 99.99 -99.99  24.40 
1983 08 99.99 -99.99  24.00 
1983 09 99.99 -99.99  24.70 
1983 10 99.99 -99.99  25.80 
1983 11 99.99 -99.99  26.20 
1983 12 99.99 -99.99  25.60 
1984 01 99.99 -99.99  26.00 
1984 02 99.99 -99.99  26.60 
1984 03 99.99 -99.99  27.10 
1984 04 99.99 -99.99  27.20 
1984 06 99.99 -99.99  25.50 
1984 08 99.99 -99.99  24.70 
1984 09 99.99 -99.99  25.00 
1984 11 99.99 -99.99  26.40 
1984 12 99.99 -99.99  26.20 
1985 02 99.99 -99.99  26.60 
1985 03 99.99 -99.99  27.00 
1985 04 99.99 -99.99  27.10 
1985 05 99.99 -99.99  25.90 
1985 06 99.99 -99.99  25.30 
1985 07 99.99 -99.99  24.70 
1985 08 99.99 -99.99  24.20 
1985 09 99.99 -99.99  24.60 
1985 10 99.99 -99.99  25.80 
1985 11 99.99 -99.99  26.00 
1985 12 99.99 -99.99  25.50 
1986 01 99.99 -99.99  25.60 
1986 02 99.99 -99.99  26.40 
1986 03 99.99 -99.99  26.40 
1986 04 99.99 -99.99  27.30 
1986 05 99.99 -99.99  26.90 
1986 06 99.99 -99.99  25.50 
1986 07 99.99 -99.99  24.40 
1986 08 99.99 -99.99  24.20 
1986 09 99.99 -99.99  24.80 
1986 10 99.99 -99.99  25.20 
1986 11 99.99 -99.99  25.80 
1986 12 99.99 -99.99  25.60 
1987 01 99.99 -99.99  26.60 
1987 02 99.99 -99.99  26.70 
1987 03 99.99 -99.99  26.80 
1987 04 99.99 -99.99  28.30 
1987 05 99.99 -99.99  24.30 
1987 06 99.99 -99.99  25.90 
1987 07 99.99 -99.99  23.70 
1987 08 99.99 -99.99  25.10 
1987 09 99.99 -99.99  25.20 
1987 10 99.99 -99.99  26.00 
1988 03 99.99 -99.99  27.20 
1988 05 99.99 -99.99  27.50 
1988 06 99.99 -99.99  25.60 
1988 07 99.99 -99.99  25.10 
1988 08 99.99 -99.99  24.40 
1988 09 99.99 -99.99  24.90 
1988 10 99.99 -99.99  25.90 
1988 11 99.99 -99.99  26.40 
1988 12 99.99 -99.99  24.70 
1989 02 99.99 -99.99  27.00 
1989 09 99.99 -99.99  24.60 
1989 12 99.99 -99.99  26.30 
1990 01 99.99 -99.99  25.90 
1990 02 99.99 -99.99  26.40 
1990 03 99.99 -99.99  27.70 
1990 04 99.99 -99.99  27.90 
1990 05 99.99 -99.99  26.50 
1990 07 99.99 -99.99  24.40 
1990 09 99.99 -99.99  24.90 
1991 01 30.90  22.10  26.50 
1991 02 31.30  23.20  27.25 
1991 03 31.50  23.60  27.55 
1991 04 31.50  23.90  27.70 
1991 05 29.80  23.80  26.80 
1991 06 29.10  23.90  26.50 
1991 07 27.10  22.40  24.75 
1991 08 27.80  22.30  25.05 
1991 09 29.10  22.80  25.95 
1991 10 28.30  22.50  25.40 
1991 11 28.70  22.60  25.65 
1991 12 30.00  23.10  26.55 
1992 01 30.70  21.90  26.30 
1992 02 31.70  23.40  27.55 
1992 03 31.30  23.80  27.55 
1992 04 30.80  23.90  27.34 
1992 05 29.40  23.60  26.50 
1992 06 27.80  23.00  25.40 
1992 07 26.70  22.30  24.50 
1992 08 26.50  22.10  24.30 
1992 09 27.50  22.60  25.05 
1992 10 28.40  23.30  25.84 
1992 11 27.20  23.00  25.10 
1992 12 29.90  23.20  26.55 
1993 01 30.30  22.20  26.25 
1993 02 30.70  23.60  27.15 
1993 03 30.40  22.80  26.59 
1993 04 30.70  23.70  27.20 
1993 05 30.40  24.10  27.25 
1993 06 28.30  23.90  26.09 
1993 07 26.90  22.60  24.75 
1993 08 26.60  22.40  24.50 
1993 09 27.90  23.10  25.50 
1993 10 29.00  23.20  26.10 
1993 11 30.00  23.10  26.55 
1993 12 30.30  23.10  26.70 
1994 01 30.60  22.80  26.70 
1994 02 31.50  24.00  27.75 
1994 03 31.90  23.90  27.90 
1994 04 30.90  23.80  27.34 
1994 05 30.10  23.50  26.80 
1994 06 28.20  23.80  26.00 
1994 07 26.90  22.60  24.75 
1994 08 26.40  22.30  24.34 
1994 09 27.40  23.20  25.30 
1994 10 28.00  23.20  25.60 
1994 11 30.00  22.80  26.40 
1994 12 30.80  23.00  26.90 
1995 01 30.80  22.50  26.65 
1995 02 31.40  24.00  27.70 
1995 03 31.10  23.90  27.50 
1995 04 31.00  24.00  27.50 
1995 05 29.20  23.80  26.50 
1995 06 28.70  22.80  25.75 
1995 07 28.00  23.30  25.65 
1995 08 27.50  23.00  25.25 
1995 09 27.60  23.40  25.50 
1995 10 29.10  23.40  26.25 
1995 11 30.10  23.30  26.70 
1995 12 30.80  22.70  26.75 
1996 01 30.90  23.20  27.05 
1996 02 31.60  23.60  27.60 
1996 03 32.09  23.80  27.95 
1996 04 32.20  23.90  28.05 
1996 05 31.00  24.90  27.95 
1996 06 26.70  23.50  25.10 
1996 07 28.30  23.20  25.75 
1996 08 27.60  22.30  24.95 
1996 09 27.90  22.80  25.34 
1996 10 29.00  23.10  26.05 
1996 12 27.90  23.00  25.45 
1997 02 31.60  23.70  27.65 
1997 03 31.40  23.90  27.65 
1997 04 30.90  23.30  27.09 
1997 05 32.00  23.50  27.75 
1997 06 28.00  23.50  25.75 
1997 07 27.80  22.40  25.09 
1997 08 27.70  22.20  24.95 
1997 09 28.80  23.00  25.90 
1997 10 30.10  23.60  26.85 
1997 11 30.60  22.90  26.75 
1997 12 31.20  23.40  27.30 
1998 01 32.30  22.90  27.59 
1998 02 32.70  24.70  28.70 
1998 03 32.80  24.80  28.80 
1998 04 32.59  24.90  28.75 
1998 05 31.30  24.30  27.80 
1998 06 29.50  24.00  26.75 
1998 07 28.40  23.40  25.90 
1998 08 27.50  22.00  24.75 
1998 09 28.50  22.80  25.65 
1998 10 29.60  23.40  26.50 
1998 11 30.60  23.00  26.80 
1998 12 30.80  23.00  26.90 
1999 01 31.60  22.80  27.20 
1999 02 31.70  22.20  26.95 
1999 04 31.20  23.10  27.15 
1999 05 31.20  23.10  27.15 
2000 04 31.20  22.40  26.80 
2000 06 28.50  22.60  25.55 
2000 12 30.60  21.70  26.15 
2002 01 10.00    . 0   5.00 
