1968 10 99.99 -99.99  24.40 
1968 11 99.99 -99.99  26.20 
1968 12 99.99 -99.99  24.10 
1969 01 99.99 -99.99  25.00 
1969 02 99.99 -99.99  24.50 
1969 03 99.99 -99.99  25.00 
1969 04 99.99 -99.99  22.40 
1969 05 99.99 -99.99  21.00 
1969 06 99.99 -99.99  19.60 
1969 07 99.99 -99.99  20.29 
1969 12 99.99 -99.99  24.80 
1970 01 99.99 -99.99  25.00 
1970 02 99.99 -99.99  24.50 
1970 03 99.99 -99.99  24.60 
1970 04 99.99 -99.99  23.60 
1970 05 99.99 -99.99  21.70 
1970 07 99.99 -99.99  19.50 
1970 08 99.99 -99.99  21.00 
1970 09 99.99 -99.99  22.70 
1970 10 99.99 -99.99  24.70 
1971 04 99.99 -99.99  23.70 
1971 07 99.99 -99.99  20.70 
1971 08 99.99 -99.99  22.30 
1972 04 99.99 -99.99  22.30 
1972 05 99.99 -99.99  23.30 
1972 06 99.99 -99.99  23.00 
1972 07 99.99 -99.99  21.40 
1972 08 99.99 -99.99  21.60 
1972 09 99.99 -99.99  23.90 
1973 01 99.99 -99.99  26.90 
1973 02 99.99 -99.99  26.00 
1973 03 99.99 -99.99  26.00 
1973 04 99.99 -99.99  26.00 
1973 05 99.99 -99.99  22.00 
1973 06 99.99 -99.99  22.00 
1973 07 99.99 -99.99  25.50 
1973 08 99.99 -99.99  20.00 
1973 09 99.99 -99.99  22.70 
1975 12 99.99 -99.99  24.20 
1976 03 99.99 -99.99  23.20 
1976 04 99.99 -99.99  21.30 
1976 05 99.99 -99.99  19.70 
1976 06 99.99 -99.99  18.40 
1976 07 99.99 -99.99  19.10 
1976 08 99.99 -99.99  20.40 
1976 09 99.99 -99.99  20.10 
1976 12 99.99 -99.99  24.10 
1977 01 99.99 -99.99  24.20 
1977 02 99.99 -99.99  24.80 
1977 03 99.99 -99.99  25.20 
1977 04 99.99 -99.99  21.70 
1977 05 99.99 -99.99  19.90 
1977 06 99.99 -99.99  19.60 
1977 09 99.99 -99.99  23.30 
1977 10 99.99 -99.99  24.50 
1977 12 99.99 -99.99  24.50 
1978 01 99.99 -99.99  24.60 
1978 02 99.99 -99.99  25.40 
1978 03 99.99 -99.99  25.00 
1978 04 99.99 -99.99  22.70 
1978 05 99.99 -99.99  19.70 
1978 06 99.99 -99.99  20.00 
1978 08 99.99 -99.99  19.79 
1978 09 99.99 -99.99  22.80 
1978 10 99.99 -99.99  24.40 
1978 11 99.99 -99.99  24.00 
1978 12 99.99 -99.99  24.80 
1979 01 99.99 -99.99  23.90 
1979 02 99.99 -99.99  24.50 
1979 03 99.99 -99.99  24.20 
1979 07 99.99 -99.99  19.29 
1979 08 99.99 -99.99  23.20 
1979 09 99.99 -99.99  21.30 
1979 10 99.99 -99.99  24.90 
1979 11 99.99 -99.99  23.00 
1980 01 99.99 -99.99  24.30 
1980 03 99.99 -99.99  24.60 
1980 04 99.99 -99.99  23.50 
1980 05 99.99 -99.99  21.40 
1980 06 99.99 -99.99  19.29 
1980 07 99.99 -99.99  20.29 
1980 08 99.99 -99.99  21.80 
1980 09 99.99 -99.99  20.80 
1980 10 99.99 -99.99  24.60 
1980 11 99.99 -99.99  23.90 
1980 12 99.99 -99.99  24.40 
1981 01 99.99 -99.99  24.60 
1981 02 99.99 -99.99  24.20 
1981 03 99.99 -99.99  24.10 
1981 04 99.99 -99.99  22.80 
1981 05 99.99 -99.99  22.50 
1981 06 99.99 -99.99  18.50 
1981 07 99.99 -99.99  17.10 
1981 08 99.99 -99.99  22.40 
1981 09 99.99 -99.99  23.00 
1981 10 99.99 -99.99  23.60 
1981 11 99.99 -99.99  25.20 
1981 12 99.99 -99.99  23.90 
1982 01 99.99 -99.99  25.10 
1982 02 99.99 -99.99  23.90 
1982 03 99.99 -99.99  23.30 
1982 04 99.99 -99.99  22.40 
1982 05 99.99 -99.99  20.10 
1982 06 99.99 -99.99  20.39 
1982 07 99.99 -99.99  21.10 
1982 08 99.99 -99.99  21.90 
1982 09 99.99 -99.99  22.70 
1982 10 99.99 -99.99  24.20 
1982 11 99.99 -99.99  25.00 
1982 12 99.99 -99.99  23.40 
1983 01 99.99 -99.99  24.60 
1983 02 99.99 -99.99  24.70 
1983 03 99.99 -99.99  23.80 
1983 04 99.99 -99.99  24.30 
1983 05 99.99 -99.99  22.10 
1983 06 99.99 -99.99  18.20 
1983 07 99.99 -99.99  20.29 
1983 08 99.99 -99.99  20.60 
1983 09 99.99 -99.99  22.00 
1983 10 99.99 -99.99  23.30 
1983 11 99.99 -99.99  23.50 
1983 12 99.99 -99.99  24.30 
1984 01 99.99 -99.99  24.40 
1984 02 99.99 -99.99  25.00 
1984 03 99.99 -99.99  25.00 
1984 04 99.99 -99.99  22.10 
1984 05 99.99 -99.99  22.10 
1984 06 99.99 -99.99  20.39 
1984 07 99.99 -99.99  21.50 
1984 08 99.99 -99.99  19.79 
1984 09 99.99 -99.99  22.20 
1984 10 99.99 -99.99  26.40 
1984 11 99.99 -99.99  24.40 
1984 12 99.99 -99.99  23.80 
1985 01 99.99 -99.99  24.80 
1985 02 99.99 -99.99  24.60 
1985 03 99.99 -99.99  24.20 
1985 04 99.99 -99.99  24.00 
1985 05 99.99 -99.99  22.00 
1985 06 99.99 -99.99  18.70 
1985 07 99.99 -99.99  18.79 
1985 08 99.99 -99.99  21.00 
1985 09 99.99 -99.99  23.50 
1985 10 99.99 -99.99  24.80 
1985 11 99.99 -99.99  26.00 
1985 12 99.99 -99.99  26.50 
1986 01 99.99 -99.99  25.00 
1986 02 99.99 -99.99  24.30 
1986 03 99.99 -99.99  24.40 
1986 04 99.99 -99.99  24.30 
1986 05 99.99 -99.99  22.20 
1986 06 99.99 -99.99  20.50 
1986 07 99.99 -99.99  18.90 
1986 08 99.99 -99.99  18.00 
1986 09 99.99 -99.99  21.90 
1986 10 99.99 -99.99  23.10 
1986 11 99.99 -99.99  25.40 
1986 12 99.99 -99.99  24.40 
1987 01 99.99 -99.99  24.50 
1987 02 99.99 -99.99  23.40 
1987 03 99.99 -99.99  23.20 
1987 04 99.99 -99.99  23.80 
1987 05 99.99 -99.99  19.50 
1987 06 99.99 -99.99  19.10 
1987 07 99.99 -99.99  22.10 
1987 08 99.99 -99.99  19.79 
1987 09 99.99 -99.99  22.40 
1987 10 99.99 -99.99  24.00 
1987 11 99.99 -99.99  25.50 
1987 12 99.99 -99.99  24.40 
1988 01 99.99 -99.99  25.40 
1988 02 99.99 -99.99  24.20 
1988 03 99.99 -99.99  24.70 
1988 04 99.99 -99.99  24.10 
1988 06 99.99 -99.99  19.00 
1988 07 99.99 -99.99  17.60 
1988 08 99.99 -99.99  22.50 
1988 09 99.99 -99.99  24.70 
1988 10 99.99 -99.99  24.40 
1988 11 99.99 -99.99  24.40 
1988 12 99.99 -99.99  25.50 
1989 01 99.99 -99.99  23.20 
1989 02 99.99 -99.99  23.80 
1989 03 99.99 -99.99  24.20 
1989 04 99.99 -99.99  23.50 
1989 05 99.99 -99.99  20.10 
1989 06 99.99 -99.99  19.70 
1989 07 99.99 -99.99  18.40 
1989 09 99.99 -99.99  21.20 
1989 10 99.99 -99.99  23.60 
1989 11 99.99 -99.99  24.50 
1989 12 99.99 -99.99  24.60 
1990 01 99.99 -99.99  24.50 
1990 02 99.99 -99.99  24.20 
1990 03 99.99 -99.99  25.30 
1990 04 99.99 -99.99  24.20 
1990 05 99.99 -99.99  19.70 
1990 06 99.99 -99.99  19.70 
1990 07 99.99 -99.99  16.70 
1990 08 99.99 -99.99  21.90 
1990 09 99.99 -99.99  21.10 
1990 10 99.99 -99.99  25.40 
1990 11 99.99 -99.99  25.50 
1990 12 99.99 -99.99  25.20 
1991 01 99.99 -99.99  25.30 
1991 02 99.99 -99.99  24.90 
1991 03 99.99 -99.99  24.00 
1991 04 99.99 -99.99  22.90 
1991 05 99.99 -99.99  21.40 
1991 06 99.99 -99.99  20.00 
1991 07 99.99 -99.99  19.40 
1991 08 99.99 -99.99  21.40 
1991 09 99.99 -99.99  23.70 
1991 10 99.99 -99.99  24.10 
1991 11 99.99 -99.99  24.10 
1991 12 99.99 -99.99  24.90 
1992 01 99.99 -99.99  25.10 
1992 03 99.99 -99.99  23.80 
1992 04 99.99 -99.99  23.80 
1992 05 99.99 -99.99  21.60 
1992 06 99.99 -99.99  22.00 
1992 07 99.99 -99.99  17.60 
1992 08 99.99 -99.99  20.70 
1992 10 99.99 -99.99  24.10 
1992 12 99.99 -99.99  24.70 
1993 01 99.99 -99.99  25.10 
1993 02 99.99 -99.99  23.70 
1993 03 99.99 -99.99  24.60 
1993 07 99.99 -99.99  18.79 
1993 09 99.99 -99.99  22.80 
1993 10 99.99 -99.99  24.40 
1993 11 99.99 -99.99  25.50 
1993 12 99.99 -99.99  25.00 
1994 01 99.99 -99.99  25.00 
1994 02 99.99 -99.99  25.00 
1994 03 99.99 -99.99  25.00 
1994 04 99.99 -99.99  23.40 
1994 05 99.99 -99.99  21.80 
1994 06 99.99 -99.99  19.00 
1994 07 99.99 -99.99  19.29 
1994 08 99.99 -99.99  22.10 
1994 09 99.99 -99.99  24.50 
1994 10 99.99 -99.99  25.10 
1994 11 99.99 -99.99  24.50 
1994 12 99.99 -99.99  24.90 
1995 01 99.99 -99.99  24.60 
1995 02 99.99 -99.99  24.60 
1995 03 99.99 -99.99  24.60 
1995 04 99.99 -99.99  22.10 
1995 05 99.99 -99.99  20.20 
1995 06 99.99 -99.99  22.60 
1995 07 99.99 -99.99  22.10 
1995 08 99.99 -99.99  23.50 
1995 09 99.99 -99.99  24.80 
1995 10 99.99 -99.99  23.20 
1995 11 99.99 -99.99  25.00 
1995 12 99.99 -99.99  25.00 
1996 01 99.99 -99.99  24.60 
1996 02 99.99 -99.99  25.10 
1996 04 99.99 -99.99  23.70 
1996 05 99.99 -99.99  21.70 
1996 06 99.99 -99.99  18.20 
1996 07 99.99 -99.99  19.50 
1996 08 99.99 -99.99  24.00 
1996 09 99.99 -99.99  21.80 
1996 10 99.99 -99.99  24.30 
1996 11 99.99 -99.99  24.80 
1996 12 99.99 -99.99  25.20 
1997 01 99.99 -99.99  24.70 
1997 02 99.99 -99.99  21.00 
1997 03 99.99 -99.99  24.60 
1997 04 99.99 -99.99  22.30 
1997 05 99.99 -99.99  21.20 
1997 06 99.99 -99.99  19.50 
1997 07 99.99 -99.99  19.50 
1997 08 99.99 -99.99  21.90 
1997 09 99.99 -99.99  26.10 
1997 10 99.99 -99.99  21.90 
1997 11 99.99 -99.99  25.60 
1997 12 99.99 -99.99  25.50 
1998 01 99.99 -99.99  26.40 
1998 02 99.99 -99.99  25.40 
1998 03 99.99 -99.99  25.00 
1998 04 99.99 -99.99  23.80 
1998 05 99.99 -99.99  19.50 
1998 06 99.99 -99.99  20.00 
1998 07 99.99 -99.99  21.60 
1998 08 99.99 -99.99  21.70 
1998 09 99.99 -99.99  22.50 
1998 10 99.99 -99.99  24.00 
1998 11 99.99 -99.99  25.20 
1998 12 99.99 -99.99  24.70 
1999 01 99.99 -99.99  24.70 
1999 02 99.99 -99.99  25.30 
1999 03 99.99 -99.99  25.00 
1999 04 99.99 -99.99  23.20 
1999 05 99.99 -99.99  20.20 
1999 06 99.99 -99.99  20.50 
1999 07 99.99 -99.99  20.90 
1999 08 99.99 -99.99  22.30 
1999 09 99.99 -99.99  25.00 
1999 10 99.99 -99.99  25.10 
1999 11 99.99 -99.99  24.20 
1999 12 99.99 -99.99  25.60 
2000 01 99.99 -99.99  26.20 
2000 02 99.99 -99.99  24.70 
2000 03 99.99 -99.99  24.10 
2000 04 99.99 -99.99  23.80 
2000 05 99.99 -99.99  20.60 
2000 06 99.99 -99.99  21.50 
2000 07 99.99 -99.99  17.20 
2000 11 99.99 -99.99  24.70 
2001 03 99.99 -99.99  24.80 
2009 08 28.68  16.84  22.76 
2009 09 29.13  18.28  23.70 
2009 10 30.88  19.81  25.34 
2009 11 31.26  22.25  26.75 
2010 01 30.25  21.58  25.91 
2010 02 31.18  22.19  26.68 
2010 04 28.90  18.95  23.93 
2010 05 26.01  14.67  20.34 
2010 06 28.45  16.02  22.23 
2010 07 27.31  15.25  21.28 
2010 08 30.66  16.59  23.62 
2010 09 29.79  20.43  25.11 
2011 06 27.09  14.68  20.88 
