1975 09 99.99 -99.99  20.50 
1975 11 99.99 -99.99  20.20 
1976 03 99.99 -99.99  19.90 
1976 05 99.99 -99.99  17.10 
1976 06 99.99 -99.99  14.70 
1976 07 99.99 -99.99  17.29 
1976 08 99.99 -99.99  15.80 
1976 09 99.99 -99.99  15.50 
1976 10 99.99 -99.99  20.40 
1976 11 99.99 -99.99  22.30 
1976 12 99.99 -99.99  23.60 
1977 02 99.99 -99.99  25.80 
1977 04 99.99 -99.99  20.50 
1977 05 99.99 -99.99  18.79 
1977 07 99.99 -99.99  20.80 
1977 08 99.99 -99.99  17.50 
1977 09 99.99 -99.99  20.70 
1977 11 99.99 -99.99  23.80 
1977 12 99.99 -99.99  25.00 
1978 01 99.99 -99.99  26.00 
1978 02 99.99 -99.99  26.20 
1978 03 99.99 -99.99  25.70 
1978 04 99.99 -99.99  19.79 
1978 06 99.99 -99.99  17.29 
1978 07 99.99 -99.99  18.90 
1978 08 99.99 -99.99  16.10 
1978 09 99.99 -99.99  19.70 
1978 10 99.99 -99.99  22.20 
1979 05 99.99 -99.99  16.90 
1979 07 99.99 -99.99  15.20 
1979 08 99.99 -99.99  19.40 
1979 09 99.99 -99.99  18.29 
1979 10 99.99 -99.99  22.40 
1979 11 99.99 -99.99  23.40 
1980 01 99.99 -99.99  24.50 
1980 02 99.99 -99.99  25.10 
1980 04 99.99 -99.99  22.90 
1980 05 99.99 -99.99  19.40 
1980 06 99.99 -99.99  15.80 
1980 07 99.99 -99.99  16.40 
1980 08 99.99 -99.99  18.40 
1980 09 99.99 -99.99  16.79 
1981 03 99.99 -99.99  24.40 
1981 04 99.99 -99.99  21.70 
1981 08 99.99 -99.99  21.10 
1981 09 99.99 -99.99  19.40 
1981 12 99.99 -99.99  22.60 
1982 01 99.99 -99.99  24.90 
1982 02 99.99 -99.99  24.60 
1982 04 99.99 -99.99  21.10 
1982 05 99.99 -99.99  17.79 
1982 06 99.99 -99.99  17.29 
1982 07 99.99 -99.99  17.90 
1982 08 99.99 -99.99  18.70 
1982 09 99.99 -99.99  20.00 
1982 11 99.99 -99.99  23.20 
1982 12 99.99 -99.99  23.80 
1983 01 99.99 -99.99  25.60 
1983 02 99.99 -99.99  25.50 
1983 03 99.99 -99.99  23.40 
1983 04 99.99 -99.99  22.20 
1983 05 99.99 -99.99  20.20 
1983 06 99.99 -99.99  14.70 
1983 07 99.99 -99.99  16.50 
1983 08 99.99 -99.99  17.70 
1983 09 99.99 -99.99  17.79 
1983 10 99.99 -99.99  21.80 
1983 12 99.99 -99.99  25.20 
1984 01 99.99 -99.99  26.30 
1984 02 99.99 -99.99  26.00 
1984 03 99.99 -99.99  23.80 
1984 04 99.99 -99.99  19.90 
1984 05 99.99 -99.99  19.70 
1984 06 99.99 -99.99  17.50 
1984 07 99.99 -99.99  17.60 
1984 09 99.99 -99.99  18.90 
1984 11 99.99 -99.99  24.00 
1984 12 99.99 -99.99  23.70 
1985 01 99.99 -99.99  25.70 
1985 02 99.99 -99.99  25.30 
1985 03 99.99 -99.99  24.00 
1985 05 99.99 -99.99  18.60 
1985 06 99.99 -99.99  15.70 
1985 09 99.99 -99.99  20.00 
1985 10 99.99 -99.99  23.00 
1986 01 99.99 -99.99  27.30 
1986 04 99.99 -99.99  22.90 
1989 08 99.99 -99.99  17.29 
1989 09 99.99 -99.99  18.20 
1989 10 99.99 -99.99  20.90 
1989 11 99.99 -99.99  23.10 
1990 01 99.99 -99.99  24.90 
1990 06 99.99 -99.99  17.90 
1990 07 99.99 -99.99  13.80 
1990 09 99.99 -99.99  17.70 
1990 10 99.99 -99.99  22.80 
1990 11 99.99 -99.99  25.70 
1990 12 99.99 -99.99  24.90 
1991 01 99.99 -99.99  26.20 
1991 04 99.99 -99.99  22.10 
1991 06 99.99 -99.99  17.40 
1991 08 99.99 -99.99  18.29 
1991 10 99.99 -99.99  22.50 
1991 11 99.99 -99.99  24.00 
1992 01 99.99 -99.99  25.50 
1992 02 99.99 -99.99  26.10 
1992 04 99.99 -99.99  20.70 
1992 05 99.99 -99.99  19.70 
1992 09 99.99 -99.99  19.10 
1992 10 99.99 -99.99  22.40 
1993 05 99.99 -99.99  18.00 
1993 06 99.99 -99.99  16.60 
1993 07 99.99 -99.99  15.90 
1993 08 99.99 -99.99  17.20 
1993 09 99.99 -99.99  20.00 
1993 10 99.99 -99.99  22.90 
1993 12 99.99 -99.99  25.40 
1994 01 99.99 -99.99  25.40 
1994 03 99.99 -99.99  23.80 
1994 05 99.99 -99.99  22.30 
1994 06 99.99 -99.99  20.20 
1994 08 99.99 -99.99  18.20 
1994 09 99.99 -99.99  18.20 
1994 12 99.99 -99.99  26.30 
1995 05 99.99 -99.99  20.40 
1995 06 99.99 -99.99  18.50 
1995 08 99.99 -99.99  20.10 
1995 09 99.99 -99.99  17.00 
1995 11 99.99 -99.99  25.00 
1995 12 99.99 -99.99  25.20 
1996 01 99.99 -99.99  25.60 
1996 02 99.99 -99.99  25.60 
1996 04 99.99 -99.99  22.50 
1996 05 99.99 -99.99  19.00 
1996 06 99.99 -99.99  15.10 
1996 07 99.99 -99.99  14.80 
1996 08 99.99 -99.99  19.60 
1996 10 99.99 -99.99  22.30 
1996 12 99.99 -99.99  24.90 
1997 01 99.99 -99.99  25.80 
1997 04 99.99 -99.99  20.40 
1997 05 99.99 -99.99  18.60 
1997 06 99.99 -99.99  17.10 
1997 08 99.99 -99.99  18.20 
1997 09 99.99 -99.99  21.30 
1997 12 99.99 -99.99  26.30 
1998 04 99.99 -99.99  22.00 
1998 05 99.99 -99.99  17.60 
1998 06 99.99 -99.99  16.29 
1998 08 99.99 -99.99  18.70 
1998 09 99.99 -99.99  19.20 
1998 10 99.99 -99.99  22.00 
1998 11 99.99 -99.99  23.60 
1999 01 99.99 -99.99  25.60 
1999 06 99.99 -99.99  16.20 
1999 08 99.99 -99.99  17.60 
1999 09 99.99 -99.99  20.90 
2000 01 99.99 -99.99  26.80 
2000 06 99.99 -99.99  18.10 
2000 07 99.99 -99.99  13.10 
2000 09 99.99 -99.99  19.90 
2000 10 99.99 -99.99  23.50 
2001 02 99.99 -99.99  25.30 
2001 03 99.99 -99.99  25.30 
2001 04 99.99 -99.99  23.70 
2001 05 99.99 -99.99  17.90 
2001 06 99.99 -99.99  16.90 
2001 07 99.99 -99.99  18.60 
2001 08 99.99 -99.99  21.80 
2001 09 99.99 -99.99  21.80 
2002 06 99.99 -99.99  19.40 
2003 01 99.99 -99.99  26.10 
2003 04 99.99 -99.99  21.90 
2003 09 99.99 -99.99  20.10 
2003 10 99.99 -99.99  23.10 
2004 03 99.99 -99.99  25.00 
2004 05 99.99 -99.99  16.50 
2004 08 99.99 -99.99  18.00 
2004 11 99.99 -99.99  23.40 
2004 12 99.99 -99.99  25.20 
2005 01 99.99 -99.99  25.60 
2005 02 99.99 -99.99  26.30 
2005 03 99.99 -99.99  25.70 
2005 04 99.99 -99.99  24.20 
2005 10 99.99 -99.99  22.60 
2006 03 99.99 -99.99  26.10 
2006 09 99.99 -99.99  19.20 
2007 01 99.99 -99.99  25.60 
2007 02 99.99 -99.99  25.70 
2007 03 99.99 -99.99  26.10 
2007 04 99.99 -99.99  23.50 
2007 06 99.99 -99.99  17.70 
2007 07 99.99 -99.99  15.20 
2007 08 99.99 -99.99  18.70 
2007 09 99.99 -99.99  23.60 
2007 10 99.99 -99.99  17.70 
2008 01 99.99 -99.99  27.00 
2008 03 99.99 -99.99  24.80 
2008 08 99.99 -99.99  20.00 
2008 09 99.99 -99.99  18.70 
2008 11 99.99 -99.99  24.60 
2008 12 99.99 -99.99  26.20 
2009 01 99.99 -99.99  25.10 
2009 02 99.99 -99.99  26.20 
2009 03 99.99 -99.99  25.50 
2009 04 99.99 -99.99  23.70 
2009 05 99.99 -99.99  20.80 
2009 06 99.99 -99.99  15.70 
2009 07 99.99 -99.99  16.20 
2009 08 99.99 -99.99  18.79 
2009 09 99.99 -99.99  20.00 
2009 10 99.99 -99.99  22.70 
2009 11 99.99 -99.99  26.40 
2009 12 99.99 -99.99  25.90 
2010 02 99.99 -99.99  26.50 
2010 03 99.99 -99.99  25.60 
2010 04 99.99 -99.99  22.70 
2010 05 99.99 -99.99  17.60 
2010 06 99.99 -99.99  18.40 
2010 07 99.99 -99.99  16.90 
2010 08 99.99 -99.99  18.00 
2010 09 99.99 -99.99  20.90 
2010 10 99.99 -99.99  20.80 
2011 01 99.99 -99.99  26.10 
2011 02 99.99 -99.99  26.50 
2011 03 99.99 -99.99  25.00 
2011 04 99.99 -99.99  22.60 
2011 05 99.99 -99.99  18.90 
2011 06 99.99 -99.99  16.50 
2011 07 99.99 -99.99  17.40 
2011 08 99.99 -99.99  18.29 
2011 09 99.99 -99.99  20.60 
2011 10 99.99 -99.99  23.00 
2011 11 99.99 -99.99  23.50 
2011 12 99.99 -99.99  25.00 
