1974 04 99.99 -99.99  26.50 
1974 05 99.99 -99.99  27.20 
1974 08 99.99 -99.99  27.00 
1974 11 99.99 -99.99  26.40 
1975 03 99.99 -99.99  26.20 
1977 02 99.99 -99.99  26.40 
1979 02 99.99 -99.99  26.80 
1979 03 99.99 -99.99  27.00 
1979 04 99.99 -99.99  27.20 
1979 05 99.99 -99.99  28.00 
1979 06 99.99 -99.99  27.70 
1979 07 99.99 -99.99  28.60 
1979 08 99.99 -99.99  27.90 
1979 09 99.99 -99.99  27.10 
1979 11 99.99 -99.99  26.80 
1979 12 99.99 -99.99  26.90 
1980 01 99.99 -99.99  26.60 
1980 02 99.99 -99.99  26.30 
1980 03 99.99 -99.99  27.10 
1980 04 99.99 -99.99  27.40 
1980 05 99.99 -99.99  28.10 
1980 06 99.99 -99.99  28.20 
1980 08 99.99 -99.99  28.20 
1980 09 99.99 -99.99  27.80 
1980 10 99.99 -99.99  27.50 
1980 11 99.99 -99.99  27.10 
1980 12 99.99 -99.99  26.60 
1981 02 99.99 -99.99  26.90 
1981 03 99.99 -99.99  26.70 
1981 04 99.99 -99.99  27.30 
1981 06 99.99 -99.99  27.00 
1981 07 99.99 -99.99  27.80 
1981 10 99.99 -99.99  27.70 
1981 12 99.99 -99.99  26.80 
1982 01 99.99 -99.99  26.90 
1982 05 99.99 -99.99  27.80 
1982 09 99.99 -99.99  28.00 
1982 10 99.99 -99.99  27.40 
1982 11 99.99 -99.99  27.30 
1982 12 99.99 -99.99  27.00 
1983 01 99.99 -99.99  26.50 
1983 02 99.99 -99.99  27.00 
1983 03 99.99 -99.99  27.30 
1983 04 99.99 -99.99  27.60 
1983 05 99.99 -99.99  28.50 
1983 07 99.99 -99.99  28.50 
1983 08 99.99 -99.99  28.40 
1983 09 99.99 -99.99  28.20 
1983 10 99.99 -99.99  27.40 
1983 11 99.99 -99.99  28.20 
1983 12 99.99 -99.99  27.40 
1984 02 99.99 -99.99  27.00 
1984 03 99.99 -99.99  26.90 
1984 04 99.99 -99.99  27.50 
1984 05 99.99 -99.99  27.70 
1984 06 99.99 -99.99  28.20 
1984 08 99.99 -99.99  27.60 
1984 09 99.99 -99.99  26.50 
1984 12 99.99 -99.99  26.60 
1985 03 99.99 -99.99  26.50 
1985 04 99.99 -99.99  26.90 
1985 05 99.99 -99.99  26.70 
1985 07 99.99 -99.99  27.80 
1985 08 99.99 -99.99  27.70 
1985 09 99.99 -99.99  27.80 
1985 10 99.99 -99.99  25.40 
1985 11 99.99 -99.99  26.90 
1986 01 99.99 -99.99  26.10 
1986 03 99.99 -99.99  26.40 
1986 04 99.99 -99.99  27.40 
1986 05 99.99 -99.99  27.90 
1986 06 99.99 -99.99  28.00 
1986 07 99.99 -99.99  28.00 
1986 08 99.99 -99.99  28.00 
1986 11 99.99 -99.99  27.60 
1986 12 99.99 -99.99  27.10 
1987 01 99.99 -99.99  26.40 
1987 02 99.99 -99.99  26.60 
1987 04 99.99 -99.99  27.60 
1987 05 99.99 -99.99  28.50 
1987 06 99.99 -99.99  29.00 
1987 07 99.99 -99.99  28.30 
1987 08 99.99 -99.99  28.50 
1987 10 99.99 -99.99  27.50 
1987 11 99.99 -99.99  28.60 
1988 02 99.99 -99.99  27.60 
1988 04 99.99 -99.99  27.40 
1988 05 99.99 -99.99  28.20 
1988 06 99.99 -99.99  28.40 
1988 07 99.99 -99.99  29.20 
1988 09 99.99 -99.99  27.70 
1988 10 99.99 -99.99  27.60 
1988 11 99.99 -99.99  27.30 
1989 01 99.99 -99.99  26.60 
1989 02 99.99 -99.99  25.80 
1989 03 99.99 -99.99  25.80 
1989 04 99.99 -99.99  27.00 
1989 05 99.99 -99.99  27.30 
1990 01 99.99 -99.99  27.00 
1990 03 99.99 -99.99  26.50 
1990 08 99.99 -99.99  28.10 
1994 08 99.99 -99.99  27.70 
1995 06 99.99 -99.99  28.20 
1995 12 99.99 -99.99  27.40 
1996 01 99.99 -99.99  26.80 
1996 02 99.99 -99.99  26.80 
1996 03 99.99 -99.99  26.70 
1996 04 99.99 -99.99  27.60 
1996 05 99.99 -99.99  27.80 
1996 06 99.99 -99.99  28.20 
1996 08 99.99 -99.99  27.80 
1996 09 99.99 -99.99  28.30 
1996 10 99.99 -99.99  27.70 
1996 11 99.99 -99.99  26.70 
1996 12 99.99 -99.99  27.10 
1997 01 99.99 -99.99  25.60 
1997 02 99.99 -99.99  26.90 
1997 03 99.99 -99.99  26.60 
1997 04 99.99 -99.99  27.30 
1997 05 99.99 -99.99  27.80 
1997 06 99.99 -99.99  28.40 
1997 07 99.99 -99.99  28.50 
1997 09 99.99 -99.99  28.70 
1997 10 99.99 -99.99  28.10 
1997 11 99.99 -99.99  27.90 
1997 12 99.99 -99.99  27.70 
1998 01 99.99 -99.99  25.00 
1998 03 99.99 -99.99  27.60 
1998 04 99.99 -99.99  28.00 
1998 05 99.99 -99.99  28.70 
1998 06 99.99 -99.99  28.80 
1998 07 99.99 -99.99  28.50 
1998 08 99.99 -99.99  28.70 
1998 09 99.99 -99.99  28.50 
1998 11 99.99 -99.99  27.60 
1998 12 99.99 -99.99  27.10 
1999 01 99.99 -99.99  27.00 
1999 02 99.99 -99.99  26.60 
1999 03 99.99 -99.99  27.00 
1999 04 99.99 -99.99  27.20 
1999 05 99.99 -99.99  28.10 
1999 06 99.99 -99.99  27.30 
1999 07 99.99 -99.99  28.30 
1999 08 99.99 -99.99  28.10 
1999 09 99.99 -99.99  27.90 
1999 10 99.99 -99.99  26.80 
1999 11 99.99 -99.99  27.40 
1999 12 99.99 -99.99  26.30 
2000 01 99.99 -99.99  26.10 
2000 02 99.99 -99.99  26.20 
2000 03 99.99 -99.99  26.50 
2000 04 99.99 -99.99  27.30 
2000 05 99.99 -99.99  27.70 
2000 06 99.99 -99.99  27.90 
2000 07 99.99 -99.99  28.00 
2000 08 99.99 -99.99  28.50 
2000 09 99.99 -99.99  27.90 
2000 10 99.99 -99.99  27.70 
2000 11 99.99 -99.99  27.40 
2000 12 99.99 -99.99  26.90 
2001 01 99.99 -99.99  26.40 
2001 02 99.99 -99.99  25.70 
2001 03 99.99 -99.99  26.50 
2001 04 99.99 -99.99  27.30 
2001 05 99.99 -99.99  28.20 
2001 06 99.99 -99.99  28.20 
2001 07 99.99 -99.99  28.20 
2001 08 99.99 -99.99  29.00 
2001 09 99.99 -99.99  28.00 
2001 10 99.99 -99.99  29.00 
2001 11 99.99 -99.99  26.80 
2001 12 99.99 -99.99  27.20 
2002 01 99.99 -99.99  27.30 
2002 02 99.99 -99.99  27.00 
2002 03 99.99 -99.99  27.20 
2002 04 99.99 -99.99  27.00 
2002 05 99.99 -99.99  28.20 
2002 06 99.99 -99.99  28.50 
2002 07 99.99 -99.99  28.20 
2002 08 99.99 -99.99  28.30 
2002 09 99.99 -99.99  28.40 
2002 10 99.99 -99.99  27.80 
2002 11 99.99 -99.99  28.10 
2002 12 99.99 -99.99  27.60 
2003 01 99.99 -99.99  27.90 
2003 02 99.99 -99.99  27.20 
2003 03 99.99 -99.99  27.50 
2003 04 99.99 -99.99  27.90 
2003 05 99.99 -99.99  28.00 
2003 06 99.99 -99.99  28.30 
2003 07 99.99 -99.99  28.40 
2003 08 99.99 -99.99  28.70 
2003 09 99.99 -99.99  28.80 
2003 10 99.99 -99.99  28.10 
2003 11 99.99 -99.99  27.70 
2004 01 99.99 -99.99  27.00 
2004 02 99.99 -99.99  27.30 
2004 03 99.99 -99.99  27.40 
2004 05 99.99 -99.99  28.00 
2004 08 99.99 -99.99  28.90 
2004 09 99.99 -99.99  27.20 
2004 11 99.99 -99.99  27.50 
2004 12 99.99 -99.99  27.10 
2005 01 99.99 -99.99  26.50 
2005 02 99.99 -99.99  26.30 
2005 03 99.99 -99.99  27.60 
2005 04 99.99 -99.99  28.40 
2005 05 99.99 -99.99  28.60 
2005 07 99.99 -99.99  28.40 
2005 08 99.99 -99.99  28.80 
2005 09 99.99 -99.99  29.10 
2005 10 99.99 -99.99  27.50 
2005 11 99.99 -99.99  27.00 
2005 12 99.99 -99.99  27.30 
2006 01 99.99 -99.99  26.70 
2006 02 99.99 -99.99  26.70 
2006 03 99.99 -99.99  27.00 
2006 04 99.99 -99.99  27.80 
2006 05 99.99 -99.99  28.40 
2006 06 99.99 -99.99  28.50 
2006 07 99.99 -99.99  28.60 
2006 08 99.99 -99.99  28.70 
2006 09 99.99 -99.99  28.20 
2006 10 99.99 -99.99  28.40 
2006 11 99.99 -99.99  27.80 
2006 12 99.99 -99.99  27.80 
2007 01 99.99 -99.99  27.30 
2007 02 99.99 -99.99  27.40 
2007 03 99.99 -99.99  27.30 
2007 04 99.99 -99.99  26.80 
2007 05 99.99 -99.99  27.60 
2007 06 99.99 -99.99  28.10 
2007 07 99.99 -99.99  29.50 
2007 08 99.99 -99.99  28.10 
2007 09 99.99 -99.99  27.80 
2007 10 99.99 -99.99  26.80 
2007 11 99.99 -99.99  26.00 
2007 12 99.99 -99.99  26.20 
2008 01 99.99 -99.99  26.20 
2008 02 99.99 -99.99  26.50 
2008 03 99.99 -99.99  26.80 
2008 04 99.99 -99.99  27.20 
2008 05 99.99 -99.99  27.70 
2008 06 99.99 -99.99  29.40 
2008 09 99.99 -99.99  27.30 
2008 10 99.99 -99.99  27.50 
2008 11 99.99 -99.99  26.80 
2008 12 99.99 -99.99  27.00 
2009 01 99.99 -99.99  26.90 
2009 02 99.99 -99.99  26.40 
2009 03 99.99 -99.99  26.60 
2009 05 99.99 -99.99  28.20 
2009 07 99.99 -99.99  30.60 
2009 09 99.99 -99.99  28.40 
2009 11 99.99 -99.99  26.80 
2009 12 99.99 -99.99  27.60 
2010 02 99.99 -99.99  27.10 
2010 03 99.99 -99.99  27.40 
2010 06 99.99 -99.99  28.10 
2010 07 99.99 -99.99  28.40 
2010 11 99.99 -99.99  27.00 
2010 12 99.99 -99.99  25.90 
2011 01 99.99 -99.99  26.20 
2011 02 99.99 -99.99  26.90 
2011 03 99.99 -99.99  26.70 
2011 04 99.99 -99.99  27.60 
2011 05 99.99 -99.99  28.10 
2011 06 99.99 -99.99  28.10 
2011 08 99.99 -99.99  28.80 
2011 09 99.99 -99.99  28.30 
2011 10 99.99 -99.99  27.20 
2011 12 99.99 -99.99  27.00 
2014 03 30.00  25.50  27.75 
2014 04 29.40  25.60  27.50 
2014 05 30.60  26.50  28.55 
