1950 06 32.70  21.20  26.95 
1950 07 32.30  20.20  26.25 
1950 09 99.99  19.90 -99.99 
1950 10 31.60  18.70  25.15 
1950 12 32.00  15.00  23.50 
1951 01 33.30  15.60  24.45 
1951 03 99.99  18.70 -99.99 
1951 04 35.20  19.79  27.50 
1951 05 35.00  22.20  28.60 
1951 06 33.09  21.60  27.34 
1951 07 32.59  21.40  27.00 
1951 08 34.59  21.30  27.95 
1951 09 33.00  20.10  26.55 
1951 10 34.40  19.90  27.15 
1951 11 99.99  15.70 -99.99 
1977 10 99.99  23.50 -99.99 
1978 01 99.99  21.40 -99.99 
1978 04 99.99  23.70 -99.99 
1980 05 99.99  25.60 -99.99 
1980 06 99.99  25.00 -99.99 
1982 02 31.90 -99.99 -99.99 
1982 04 32.90 -99.99 -99.99 
1982 06 31.10 -99.99 -99.99 
1982 07 32.59 -99.99 -99.99 
1982 10 32.09 -99.99 -99.99 
1982 11 33.09 -99.99 -99.99 
1982 12 32.59 -99.99 -99.99 
1983 01 31.70 -99.99 -99.99 
1983 02 31.30  20.90  26.09 
1983 03 30.80  22.00  26.40 
1983 04 31.80 -99.99 -99.99 
1983 05 33.30 -99.99 -99.99 
1983 06 32.80 -99.99 -99.99 
1983 07 32.59 -99.99 -99.99 
1983 08 32.70 -99.99 -99.99 
1983 09 31.60 -99.99 -99.99 
1983 10 33.70 -99.99 -99.99 
1983 11 33.30 -99.99 -99.99 
1983 12 32.20 -99.99 -99.99 
1984 01 30.90 -99.99 -99.99 
1984 02 32.09  21.50  26.80 
1984 03 32.20  22.40  27.30 
1984 04 31.80 -99.99 -99.99 
1984 05 32.30 -99.99 -99.99 
1984 06 31.30 -99.99 -99.99 
1984 07 30.60  23.20  26.90 
1984 08 31.20  23.30  27.25 
1984 10 31.90  23.40  27.65 
1984 11 31.30  21.20  26.25 
1984 12 31.50 -99.99 -99.99 
1985 01 30.60  20.80  25.70 
1985 02 31.50  20.90  26.20 
1985 03 32.30  23.00  27.65 
1985 04 31.70  22.50  27.10 
1985 05 32.20  23.40  27.80 
1985 06 31.30  24.20  27.75 
1985 07 31.10 -99.99 -99.99 
1985 08 31.40  24.00  27.70 
1985 11 31.80  20.80  26.30 
1986 01 30.90  20.40  25.65 
1986 02 31.10 -99.99 -99.99 
1986 03 31.20  21.10  26.15 
1986 04 31.30  23.00  27.15 
1986 05 31.70  25.40  28.55 
1986 06 31.00 -99.99 -99.99 
1986 08 33.00 -99.99 -99.99 
1986 09 31.70  23.70  27.70 
1986 10 31.90  23.50  27.70 
1986 11 33.00 -99.99 -99.99 
1987 01 31.20  20.80  26.00 
1987 02 31.20  21.10  26.15 
1987 03 31.80 -99.99 -99.99 
1987 04 32.70  23.30  28.00 
1987 05 33.20  24.60  28.90 
1987 06 33.50  25.70  29.60 
1987 07 32.59 -99.99 -99.99 
1987 08 32.90 -99.99 -99.99 
1987 09 33.20 -99.99 -99.99 
1987 10 33.59  24.10  28.84 
1987 11 33.00 -99.99 -99.99 
1987 12 32.40  23.00  27.70 
1988 02 31.70  23.20  27.45 
1988 03 31.80  24.00  27.90 
1988 04 31.40  24.00  27.70 
1988 05 31.40  23.10  27.25 
1988 06 31.30 -99.99 -99.99 
1988 07 31.60  22.70  27.15 
1988 08 30.70  23.90  27.30 
1988 09 30.80  23.50  27.15 
1988 10 32.50  23.40  27.95 
1988 11 33.00  22.20  27.60 
1988 12 32.00 -99.99 -99.99 
1989 01 31.80 -99.99 -99.99 
1989 02 32.30  21.50  26.90 
1989 03 30.60  20.80  25.70 
1989 04 31.80  22.90  27.34 
1989 05 32.90  24.80  28.85 
1989 06 31.80  24.20  28.00 
1989 07 31.90 -99.99 -99.99 
1990 02 99.99  20.90 -99.99 
1990 03 32.50  21.90  27.20 
1990 04 33.00  23.00  28.00 
1990 05 33.70  24.00  28.85 
1990 06 32.59  22.00  27.30 
1990 08 33.70  21.50  27.60 
1991 03 31.50  19.79  25.65 
1991 04 99.99  20.70 -99.99 
1991 07 99.99  23.70 -99.99 
1992 01 99.99  21.60 -99.99 
1992 02 30.90  20.40  25.65 
1992 07 99.99  22.10 -99.99 
1993 06 31.40  24.10  27.75 
1993 07 31.50 -99.99 -99.99 
1993 12 99.99  20.90 -99.99 
1995 07 99.99  20.20 -99.99 
1995 09 99.99  22.10 -99.99 
1995 10 99.99  22.20 -99.99 
1996 04 99.99  23.20 -99.99 
1996 08 99.99  22.40 -99.99 
1996 09 99.99  23.40 -99.99 
1996 11 99.99  21.50 -99.99 
1999 02 31.50  22.00  26.75 
2001 03 31.80  22.50  27.15 
2001 04 31.60  23.90  27.75 
2001 05 34.59  24.60  29.59 
2001 06 32.90  24.30  28.60 
2001 07 33.09  24.60  28.84 
2001 08 34.59  24.90  29.75 
2001 09 32.00  24.00  28.00 
2001 10 33.30  24.10  28.70 
2001 11 33.30  22.50  27.90 
2002 01 31.40  21.30  26.34 
2002 02 31.30  21.80  26.55 
2002 03 28.00  23.40  25.70 
2002 04 33.40  24.60  29.00 
2002 05 33.80  25.80  29.80 
2002 06 31.60  24.60  28.10 
2002 07 32.50  24.70  28.60 
2002 08 33.50  24.40  28.95 
2002 09 31.10  24.10  27.60 
2002 10 33.00  24.00  28.50 
2002 11 32.59  22.60  27.59 
2002 12 32.00  21.70  26.85 
2003 01 31.30  21.10  26.20 
2003 02 31.70  22.30  27.00 
2003 03 31.70  22.30  27.00 
2003 04 32.00  24.40  28.20 
2003 05 29.80  25.70  27.75 
2003 06 28.20  25.00  26.60 
2003 07 28.80  25.00  26.90 
2003 08 28.20  23.80  26.00 
2003 09 33.40  25.30  29.35 
2003 10 32.90  24.40  28.65 
2003 11 33.80  24.20  29.00 
2003 12 31.50  21.80  26.65 
2004 01 31.00  21.60  26.30 
2004 02 31.90  22.40  27.15 
2004 03 32.59  24.60  28.59 
2004 06 32.59  25.50  29.05 
2004 07 32.00  24.00  28.00 
2004 08 34.59  25.30  29.95 
2004 09 32.70  23.00  27.85 
2005 12 99.99 -99.99  26.70 
2006 01 99.99 -99.99  26.80 
2006 02 99.99 -99.99  26.70 
2006 03 99.99 -99.99  27.60 
2006 04 99.99 -99.99  28.70 
2006 05 99.99 -99.99  28.80 
2006 06 99.99 -99.99  28.10 
2006 07 99.99 -99.99  28.50 
2006 08 99.99 -99.99  28.70 
2006 09 99.99 -99.99  27.80 
2006 10 99.99 -99.99  27.90 
2006 11 99.99 -99.99  27.20 
2006 12 99.99 -99.99  27.40 
2007 02 99.99 -99.99  26.10 
2007 03 99.99 -99.99  27.90 
2007 05 99.99 -99.99  29.00 
2007 06 99.99 -99.99  29.20 
2007 07 99.99 -99.99  28.50 
2007 08 99.99 -99.99  27.20 
2007 09 99.99 -99.99  27.50 
2007 10 99.99 -99.99  27.20 
2007 11 99.99 -99.99  26.90 
2007 12 99.99 -99.99  25.30 
2008 01 99.99 -99.99  26.30 
2008 02 99.99 -99.99  26.10 
2008 03 99.99 -99.99  27.00 
2008 04 99.99 -99.99  28.20 
2008 05 99.99 -99.99  28.10 
2008 06 99.99 -99.99  27.10 
2008 07 99.99 -99.99  26.70 
2008 08 99.99 -99.99  27.20 
2008 09 99.99 -99.99  26.70 
2008 10 99.99 -99.99  27.10 
2008 11 99.99 -99.99  26.60 
2008 12 99.99 -99.99  26.00 
2009 01 99.99 -99.99  26.10 
2009 02 99.99 -99.99  26.40 
2009 03 99.99 -99.99  26.40 
2009 04 99.99 -99.99  27.50 
2009 05 99.99 -99.99  27.10 
2009 06 99.99 -99.99  27.90 
2009 07 99.99 -99.99  27.70 
2009 08 99.99 -99.99  27.70 
2009 09 99.99 -99.99  28.50 
2009 10 99.99 -99.99  28.40 
2009 11 99.99 -99.99  28.00 
2009 12 99.99 -99.99  25.60 
2010 01 99.99 -99.99  25.80 
2010 02 99.99 -99.99  26.50 
2010 03 99.99 -99.99  27.60 
2010 04 99.99 -99.99  28.40 
2010 06 99.99 -99.99  28.00 
2010 07 99.99 -99.99  26.20 
2010 08 99.99 -99.99  25.90 
2010 09 99.99 -99.99  26.60 
2010 10 99.99 -99.99  27.50 
2010 11 99.99 -99.99  26.90 
2010 12 99.99 -99.99  25.70 
2011 01 99.99 -99.99  26.30 
2011 02 99.99 -99.99  26.60 
2011 03 99.99 -99.99  26.50 
2011 04 99.99 -99.99  28.30 
2011 05 99.99 -99.99  28.70 
2011 06 99.99 -99.99  28.00 
2011 07 99.99 -99.99  26.30 
2011 08 99.99 -99.99  26.70 
2011 09 99.99 -99.99  27.20 
2011 10 99.99 -99.99  27.00 
2011 11 99.99 -99.99  26.80 
2011 12 99.99 -99.99  26.10 
