1971 01 99.99 -99.99  26.10 
1971 02 99.99 -99.99  26.10 
1971 03 99.99 -99.99  26.50 
1971 04 99.99 -99.99  25.50 
1971 05 99.99 -99.99  25.40 
1971 06 99.99 -99.99  24.10 
1971 07 99.99 -99.99  23.50 
1971 08 99.99 -99.99  22.70 
1971 09 99.99 -99.99  22.80 
1971 10 99.99 -99.99  24.20 
1971 11 99.99 -99.99  25.20 
1971 12 99.99 -99.99  25.50 
1972 01 99.99 -99.99  27.10 
1972 02 99.99 -99.99  27.20 
1972 03 99.99 -99.99  27.50 
1972 04 99.99 -99.99  26.90 
1972 05 99.99 -99.99  26.00 
1972 06 99.99 -99.99  24.30 
1972 07 99.99 -99.99  23.50 
1972 08 99.99 -99.99  23.00 
1972 09 99.99 -99.99  22.30 
1972 10 99.99 -99.99  22.70 
1972 11 99.99 -99.99  22.70 
1972 12 99.99 -99.99  25.30 
1973 01 99.99 -99.99  26.10 
1973 02 99.99 -99.99  26.70 
1973 03 99.99 -99.99  27.00 
1973 04 99.99 -99.99  25.80 
1973 05 99.99 -99.99  25.50 
1973 06 99.99 -99.99  23.00 
1973 07 99.99 -99.99  22.70 
1973 08 99.99 -99.99  22.40 
1973 09 99.99 -99.99  23.30 
1973 10 99.99 -99.99  23.70 
1973 11 99.99 -99.99  25.50 
1973 12 99.99 -99.99  26.20 
1974 01 99.99 -99.99  26.60 
1974 02 99.99 -99.99  26.70 
1974 03 99.99 -99.99  26.20 
1974 04 99.99 -99.99  25.80 
1974 05 99.99 -99.99  25.10 
1974 06 99.99 -99.99  24.30 
1974 07 99.99 -99.99  23.40 
1974 08 99.99 -99.99  21.90 
1974 09 99.99 -99.99  22.50 
1974 10 99.99 -99.99  23.30 
1974 11 99.99 -99.99  24.50 
1974 12 99.99 -99.99  25.20 
1975 01 99.99 -99.99  25.40 
1975 02 99.99 -99.99  26.80 
1975 03 99.99 -99.99  27.00 
1975 04 99.99 -99.99  26.10 
1975 05 99.99 -99.99  24.80 
1975 06 99.99 -99.99  24.90 
1975 07 99.99 -99.99  23.60 
1975 08 99.99 -99.99  22.50 
1975 09 99.99 -99.99  22.90 
1975 10 99.99 -99.99  23.60 
1975 11 99.99 -99.99  24.80 
1975 12 99.99 -99.99  25.70 
1976 01 99.99 -99.99  26.10 
1976 02 99.99 -99.99  26.00 
1976 03 99.99 -99.99  26.50 
1976 04 99.99 -99.99  26.50 
1976 05 99.99 -99.99  25.40 
1976 06 99.99 -99.99  23.90 
1976 07 99.99 -99.99  23.50 
1976 08 99.99 -99.99  22.10 
1976 09 99.99 -99.99  22.80 
1976 10 99.99 -99.99  23.50 
1976 11 99.99 -99.99  24.50 
1976 12 99.99 -99.99  25.60 
1977 01 99.99 -99.99  25.70 
1977 02 99.99 -99.99  28.00 
1977 03 99.99 -99.99  27.90 
1977 04 99.99 -99.99  25.60 
1977 05 99.99 -99.99  24.50 
1977 06 99.99 -99.99  23.10 
1977 07 99.99 -99.99  22.40 
1977 08 99.99 -99.99  22.10 
1977 09 99.99 -99.99  22.80 
1977 10 99.99 -99.99  23.00 
1977 11 99.99 -99.99  24.30 
1977 12 99.99 -99.99  24.70 
1978 01 99.99 -99.99  27.00 
1978 02 99.99 -99.99  27.20 
1978 03 99.99 -99.99  27.70 
1978 04 99.99 -99.99  26.70 
1978 05 99.99 -99.99  24.80 
1978 06 99.99 -99.99  23.80 
1978 07 99.99 -99.99  22.70 
1978 08 99.99 -99.99  22.60 
1978 09 99.99 -99.99  22.90 
1978 10 99.99 -99.99  23.10 
1978 11 99.99 -99.99  23.60 
1978 12 99.99 -99.99  25.50 
1979 01 99.99 -99.99  26.50 
1979 02 99.99 -99.99  26.90 
1979 03 99.99 -99.99  26.90 
1979 04 99.99 -99.99  26.20 
1979 05 99.99 -99.99  24.50 
1979 06 99.99 -99.99  24.40 
1979 07 99.99 -99.99  23.40 
1979 08 99.99 -99.99  21.70 
1979 09 99.99 -99.99  22.30 
1979 10 99.99 -99.99  22.70 
1979 11 99.99 -99.99  23.90 
1979 12 99.99 -99.99  25.10 
1980 01 99.99 -99.99  27.30 
1980 02 99.99 -99.99  27.10 
1980 03 99.99 -99.99  27.10 
1980 04 99.99 -99.99  26.20 
1980 05 99.99 -99.99  25.60 
1980 06 99.99 -99.99  23.70 
1980 07 99.99 -99.99  23.60 
1980 08 99.99 -99.99  23.30 
1980 09 99.99 -99.99  22.20 
1980 10 99.99 -99.99  23.40 
1980 11 99.99 -99.99  24.00 
1980 12 99.99 -99.99  25.50 
1981 01 28.90  24.30  26.59 
1981 02 29.40  24.50  26.95 
1981 03 29.30  24.40  26.84 
1981 04 28.30  24.00  26.15 
1981 05 27.60  23.00  25.30 
1981 06 25.80  21.70  23.75 
1981 07 25.80  21.50  23.65 
1981 08 24.90  20.00  22.45 
1981 09 26.10  21.40  23.75 
1981 10 26.80  22.40  24.59 
1981 11 27.10  22.70  24.90 
1981 12 29.10  23.80  26.45 
1982 01 30.30  24.60  27.45 
1982 02 31.00  25.20  28.10 
1982 03 30.50  24.50  27.50 
1982 04 30.00  24.70  27.35 
1982 05 27.70  23.00  25.35 
1982 06 26.90  22.90  24.90 
1982 07 24.90  21.00  22.95 
1982 08 25.30  21.00  23.15 
1982 09 24.70  20.29  22.50 
1982 10 26.00  20.80  23.40 
1982 11 26.50  22.30  24.40 
1982 12 27.50  22.90  25.20 
1983 01 28.80  24.00  26.40 
1983 02 29.30  25.40  27.34 
1983 03 28.60  24.40  26.50 
1983 04 27.30  23.50  25.40 
1983 05 26.40  22.60  24.50 
1983 06 25.60  21.40  23.50 
1983 07 24.70  21.00  22.85 
1983 08 26.00  21.20  23.60 
1983 09 25.00  20.90  22.95 
1983 10 27.00  22.50  24.75 
1983 11 26.60  22.40  24.50 
1983 12 29.20  24.00  26.60 
1984 01 29.40  24.50  26.95 
1984 02 31.00  25.80  28.40 
1984 03 29.80  24.90  27.34 
1984 04 29.30  24.70  27.00 
1984 05 27.20  23.00  25.10 
1984 06 26.40  21.70  24.05 
1984 07 24.80  20.90  22.84 
1984 08 24.60  20.60  22.60 
1984 09 25.60  21.30  23.45 
1984 10 27.70  23.20  25.45 
1984 11 28.30  23.70  26.00 
1984 12 26.90  22.70  24.80 
1985 01 29.00  24.30  26.65 
1985 02 30.20  25.30  27.75 
1985 03 29.80  25.00  27.40 
1985 04 29.30  24.90  27.09 
1985 05 27.80  23.50  25.65 
1985 06 25.80  21.90  23.84 
1985 07 23.60  20.20  21.90 
1985 08 24.90  21.60  23.25 
1985 09 25.60  21.80  23.70 
1985 10 25.00  21.30  23.15 
1985 11 26.80  23.30  25.05 
1985 12 28.80  24.60  26.70 
1986 01 29.00  24.70  26.85 
1986 02 28.90  24.30  26.59 
1986 03 28.70  25.00  26.85 
1986 04 28.50  24.40  26.45 
1986 05 26.40  22.90  24.65 
1986 06 25.50  21.90  23.70 
1986 07 25.60  22.20  23.90 
1986 08 24.70  21.00  22.85 
1986 09 26.00  21.60  23.80 
1986 10 25.40  21.90  23.65 
1986 11 26.10  22.30  24.20 
1986 12 27.70  23.60  25.65 
1987 01 28.90  25.10  27.00 
1987 02 29.10  25.10  27.10 
1987 03 30.10  25.20  27.65 
1987 04 28.70  24.80  26.75 
1987 05 28.00  24.00  26.00 
1987 06 25.50  21.70  23.60 
1987 07 25.10  20.70  22.90 
1987 08 24.00  19.90  21.95 
1987 09 25.40  21.00  23.20 
1987 10 25.10  20.60  22.85 
1987 11 26.70  22.30  24.50 
1987 12 27.30  23.10  25.20 
1988 01 29.60  25.30  27.45 
1988 02 29.20  24.20  26.70 
1988 03 29.40  24.40  26.90 
1988 04 28.70  24.40  26.55 
1988 05 27.60  22.90  25.25 
1988 06 26.90  22.20  24.55 
1988 07 25.80  21.20  23.50 
1988 08 25.80  21.80  23.80 
1988 09 25.80  21.70  23.75 
1988 10 26.30  22.40  24.34 
1988 11 27.60  22.70  25.15 
1988 12 28.40  23.90  26.15 
1989 01 29.80  25.00  27.40 
1989 02 30.00  24.70  27.35 
1989 03 29.50  24.40  26.95 
1989 04 29.70  24.90  27.30 
1989 05 27.90  23.50  25.70 
1989 06 26.10  22.00  24.05 
1989 07 26.40  22.30  24.34 
1989 08 25.80  21.90  23.84 
1989 09 25.90  21.70  23.80 
1989 10 26.90  22.50  24.70 
1989 11 26.30  22.20  24.25 
1989 12 27.90  23.70  25.80 
1990 01 29.60  24.60  27.10 
1990 02 29.70  25.30  27.50 
1990 03 29.70  24.90  27.30 
1990 04 29.20  24.70  26.95 
1990 05 26.80  22.70  24.75 
1990 06 26.00  22.50  24.25 
1990 07 25.90  22.20  24.05 
1990 08 26.10  22.00  24.05 
1990 09 25.70  21.70  23.70 
1990 10 26.60  22.10  24.35 
1990 11 27.50  23.30  25.40 
1990 12 28.00  23.50  25.75 
1991 01 30.10  24.90  27.50 
1991 02 29.90  25.10  27.50 
1991 03 29.50  24.80  27.15 
1991 04 28.10  24.40  26.25 
1991 05 27.60  23.90  25.75 
1991 06 25.60  22.10  23.85 
1991 07 25.10  21.00  23.05 
1991 08 25.60  21.60  23.60 
1991 09 24.80  21.00  22.90 
1991 10 25.90  21.80  23.84 
1991 11 26.90  22.80  24.84 
1991 12 27.80  23.40  25.59 
1992 01 28.80  24.30  26.55 
1992 02 28.60  24.50  26.55 
1992 03 29.60  25.30  27.45 
1992 04 29.10  25.00  27.05 
1992 05 26.80  23.50  25.15 
1992 06 26.00  22.00  24.00 
1992 07 25.90  22.10  24.00 
1992 08 25.80  22.10  23.95 
1992 09 26.20  22.10  24.15 
1992 10 26.00  22.10  24.05 
1992 11 27.20  23.10  25.15 
1992 12 27.60  23.20  25.40 
1993 01 29.00  24.90  26.95 
1993 02 28.40  24.20  26.30 
1993 04 28.90  24.80  26.84 
1993 05 26.70  23.10  24.90 
1993 06 25.00  21.00  23.00 
1993 07 24.80  21.60  23.20 
1993 08 24.70  21.00  22.85 
1993 09 25.30  21.30  23.30 
1993 10 26.10  21.70  23.90 
1993 11 26.10  22.20  24.15 
1993 12 28.10  24.10  26.10 
1994 01 29.60  24.90  27.25 
1994 02 29.90  25.40  27.65 
1994 03 30.70  26.40  28.55 
1994 04 29.10  25.10  27.10 
1994 05 26.90  23.60  25.25 
1994 06 25.90  23.00  24.45 
1994 07 24.80  20.70  22.75 
1994 08 25.20  21.40  23.30 
1994 09 25.40  21.70  23.55 
1994 10 25.50  21.80  23.65 
1994 11 27.40  23.30  25.34 
1994 12 29.20  24.80  27.00 
1995 01 29.40  24.90  27.15 
1995 02 30.10  25.70  27.90 
1995 03 30.20  25.70  27.95 
1995 04 28.50  24.70  26.60 
1995 05 27.00  23.30  25.15 
1995 06 26.50  22.60  24.55 
1995 07 25.60  21.50  23.55 
1995 08 26.30  22.10  24.20 
1995 09 25.80  22.10  23.95 
1995 10 26.90  23.30  25.09 
1995 11 27.50  23.30  25.40 
1995 12 27.90  23.60  25.75 
1996 01 29.50  25.00  27.25 
1996 02 28.70  24.20  26.45 
1996 03 29.70  25.40  27.55 
1996 04 28.50  24.50  26.50 
1996 05 99.99  24.10 -99.99 
1996 06 99.99  22.80 -99.99 
1996 07 25.70  21.80  23.75 
1996 08 25.30  21.50  23.40 
1996 09 24.40  20.80  22.59 
1996 10 25.80  21.80  23.80 
1996 11 27.50  23.30  25.40 
1996 12 28.40  23.70  26.05 
1997 01 28.70  24.60  26.65 
1997 02 29.50  25.20  27.35 
1997 03 29.40  25.10  27.25 
1997 04 28.80  24.90  26.84 
1997 05 27.40  24.00  25.70 
1997 06 25.90  22.30  24.09 
1997 07 24.80  20.90  22.84 
1997 08 24.50  20.20  22.35 
