1987 01 99.99 -99.99  26.60 
1987 02 99.99 -99.99  30.80 
1987 03 99.99 -99.99  34.50 
1987 04 99.99 -99.99  35.90 
1987 05 99.99 -99.99  39.09 
1987 06 99.99 -99.99  42.10 
1987 07 99.99 -99.99  43.40 
1987 08 99.99 -99.99  42.90 
1987 10 99.99 -99.99  28.80 
1987 11 99.99 -99.99  22.30 
1987 12 99.99 -99.99  19.90 
1988 01 99.99 -99.99  18.20 
1988 02 99.99 -99.99  23.50 
1988 03 99.99 -99.99  27.90 
1988 04 99.99 -99.99  30.30 
1988 05 99.99 -99.99  33.09 
1988 07 99.99 -99.99  37.00 
1988 08 99.99 -99.99  33.59 
1988 09 99.99 -99.99  34.80 
1988 10 99.99 -99.99  29.60 
1988 11 99.99 -99.99  23.80 
1988 12 99.99 -99.99  21.20 
1989 01 99.99 -99.99  17.10 
1989 02 99.99 -99.99  20.50 
1989 03 99.99 -99.99  25.00 
1989 04 99.99 -99.99  27.30 
1989 05 99.99 -99.99  32.59 
1989 06 99.99 -99.99  34.20 
1989 07 99.99 -99.99  36.59 
1989 08 99.99 -99.99  36.50 
1989 09 99.99 -99.99  32.80 
1989 10 99.99 -99.99  28.00 
1989 11 99.99 -99.99  25.60 
1989 12 99.99 -99.99  20.50 
1990 01 99.99 -99.99  20.10 
1990 02 99.99 -99.99  24.50 
1990 03 99.99 -99.99  27.20 
1990 04 99.99 -99.99  29.10 
1990 05 99.99 -99.99  34.30 
1990 06 99.99 -99.99  34.90 
1991 04 99.99 -99.99  31.50 
1991 05 99.99 -99.99  33.80 
1991 06 99.99 -99.99  35.09 
1991 07 99.99 -99.99  35.00 
1991 08 99.99 -99.99  34.90 
1991 09 99.99 -99.99  32.50 
1991 10 99.99 -99.99  28.40 
1991 11 99.99 -99.99  22.40 
1991 12 99.99 -99.99  22.70 
1992 01 99.99 -99.99  17.90 
1992 02 99.99 -99.99  22.00 
1992 04 99.99 -99.99  29.70 
1992 05 99.99 -99.99  33.90 
1992 06 99.99 -99.99  34.80 
1992 08 99.99 -99.99  34.59 
1992 09 99.99 -99.99  32.59 
1992 10 99.99 -99.99  26.40 
1992 11 99.99 -99.99  23.20 
1992 12 99.99 -99.99  21.60 
1993 01 99.99 -99.99  18.60 
1993 02 99.99 -99.99  13.60 
1993 03 99.99 -99.99  25.80 
1993 04 99.99 -99.99  28.70 
1993 05 99.99 -99.99  31.40 
1993 06 99.99 -99.99  33.90 
1993 07 99.99 -99.99  35.80 
1993 08 99.99 -99.99  35.30 
1993 09 99.99 -99.99  32.70 
1993 10 99.99 -99.99  28.60 
1993 11 99.99 -99.99  23.20 
1993 12 99.99 -99.99  18.90 
1994 01 99.99 -99.99  19.10 
1994 02 99.99 -99.99  21.40 
1994 03 99.99 -99.99  25.30 
1994 04 99.99 -99.99  30.40 
1994 05 99.99 -99.99  33.59 
1994 06 99.99 -99.99  34.59 
1994 07 99.99 -99.99  35.30 
1994 08 99.99 -99.99  34.80 
1994 09 99.99 -99.99  32.80 
1994 10 99.99 -99.99  28.70 
1994 11 99.99 -99.99  25.70 
1994 12 99.99 -99.99  18.79 
1995 01 27.30 -99.99  18.60 
1995 04 37.09  20.10  28.59 
1995 05 40.80  23.40  32.09 
1995 06 42.70  23.30  33.00 
1995 07 42.80  25.20  34.00 
1995 08 43.00  25.00  34.00 
1995 09 40.40  21.70  31.05 
1995 10 36.70  17.79  27.25 
1995 11 30.30  12.00  21.15 
1995 12 27.90  11.00  19.45 
1996 01 28.10  11.80  19.95 
1996 02 31.90  13.10  22.50 
1996 03 34.90  18.29  26.60 
1996 04 38.09  20.90  29.50 
1996 05 40.40  23.10  31.75 
1996 06 40.09  23.40  31.75 
1996 07 43.50  25.80  34.65 
1996 08 43.20  24.90  34.05 
1996 09 40.00  21.70  30.85 
1996 10 30.60  15.60  23.10 
1996 11 29.80   9.60  19.70 
1996 12 22.70   8.50  15.60 
1997 01 26.30   9.30  17.79 
1997 02 30.40  11.10  20.75 
1997 03 33.70  14.80  24.25 
1997 04 36.70  18.70  27.70 
1997 05 39.90  21.80  30.85 
1997 06 43.10  24.50  33.80 
1997 07 43.90  24.30  34.09 
1997 08 42.90  23.70  33.30 
1997 09 41.40  20.70  31.05 
1997 10 36.50  18.70  27.60 
1997 11 32.50  17.00  24.75 
1997 12 29.80  13.60  21.70 
1998 01 27.90  11.60  19.75 
1998 02 32.70  15.70  24.20 
1998 03 34.50  17.40  25.95 
1998 04 39.09  20.20  29.65 
1998 05 41.00  23.40  32.20 
1998 06 44.80  25.30  35.05 
1998 07 44.50  25.90  35.20 
1998 08 43.20  28.30  35.75 
1998 09 41.70  25.10  33.40 
1998 10 35.59  19.29  27.45 
1998 11 29.50  13.20  21.35 
1998 12 27.80  10.70  19.25 
1999 01 27.70  11.30  19.50 
1999 02 33.50  16.40  24.95 
1999 04 39.00  20.29  29.65 
1999 05 42.20  24.10  33.15 
1999 06 43.80  24.80  34.30 
1999 07 42.50  26.60  34.55 
1999 08 43.40  27.20  35.30 
1999 09 40.70  25.30  33.00 
1999 10 35.59  21.10  28.34 
1999 11 31.30  15.50  23.40 
1999 12 26.30  11.20  18.75 
2000 01 27.60  10.10  18.85 
2000 02 31.80  12.70  22.25 
2000 03 34.00  14.50  24.25 
2000 04 39.09  22.00  30.55 
2000 06 41.00  24.50  32.75 
2000 08 43.40  27.80  35.59 
2000 10 35.40  19.70  27.55 
2000 11 31.70  18.00  24.85 
2000 12 28.40  13.20  20.80 
2001 01 24.50   8.70  16.60 
2001 03 34.30  19.90  27.09 
2001 04 38.30  21.90  30.09 
2001 06 42.60  22.70  32.65 
2001 07 43.40  25.80  34.59 
2001 08 43.00  28.00  35.50 
2001 09 40.90  25.40  33.15 
2001 12 30.80  14.10  22.45 
2002 01 28.10  -3.70  12.20 
2002 02 30.10  12.00  21.05 
2002 03 34.80  17.29  26.05 
2002 04 36.40  19.60  28.00 
2002 05 41.40  24.00  32.70 
2002 06 42.60  25.50  34.05 
2002 07 44.30  27.20  35.75 
2002 08 42.90  25.80  34.34 
2002 10 36.00  19.20  27.60 
2002 11 31.50  16.40  23.95 
2002 12 29.40  14.40  21.90 
2003 01 26.30   9.50  17.90 
2003 02 32.80  15.80  24.30 
2003 04 36.80  21.20  29.00 
2003 05 36.80  21.20  29.00 
2003 06 42.90  25.50  34.20 
2003 09 42.00  26.20  34.09 
2003 11 31.70  15.00  23.35 
2003 12 29.50  13.00  21.25 
2004 02 26.30  11.20  18.75 
2004 03 34.09  15.20  24.65 
2004 05 41.00  23.00  32.00 
2004 06 41.90  23.90  32.90 
2004 08 42.70  25.70  34.20 
2004 09 40.50  22.60  31.55 
2004 10 38.00  15.80  26.90 
2004 11 99.99 -99.99  24.00 
2004 12 99.99 -99.99  19.50 
2005 01 99.99 -99.99  18.10 
2005 02 99.99 -99.99  22.90 
2005 03 99.99 -99.99  27.70 
2005 04 99.99 -99.99  29.60 
2005 05 99.99 -99.99  32.59 
2005 07 99.99 -99.99  35.59 
2005 08 99.99 -99.99  35.20 
2005 09 99.99 -99.99  32.50 
2005 10 99.99 -99.99  27.00 
2005 11 99.99 -99.99  24.10 
2005 12 99.99 -99.99  18.79 
2006 02 99.99 -99.99  23.30 
2006 03 99.99 -99.99  26.60 
2006 04 99.99 -99.99  29.90 
2006 06 99.99 -99.99  35.09 
2006 07 99.99 -99.99  35.80 
2006 08 99.99 -99.99  34.59 
2006 12 99.99 -99.99  19.40 
2007 03 99.99 -99.99  27.20 
2007 04 99.99 -99.99  31.00 
2007 06 99.99 -99.99  35.00 
2007 07 99.99 -99.99  35.70 
2007 08 99.99 -99.99  36.30 
2007 09 99.99 -99.99  33.30 
2007 10 99.99 -99.99  27.50 
2007 11 99.99 -99.99  23.50 
2007 12 99.99 -99.99  20.00 
2008 02 99.99 -99.99  19.60 
2008 05 99.99 -99.99  34.40 
2008 06 99.99 -99.99  34.70 
2008 07 99.99 -99.99  36.80 
2008 08 99.99 -99.99  35.50 
2008 09 99.99 -99.99  33.40 
2009 03 99.99 -99.99  27.00 
2009 04 99.99 -99.99  30.60 
2009 05 99.99 -99.99  30.60 
2009 06 99.99 -99.99  35.70 
2009 07 99.99 -99.99  35.70 
2009 08 99.99 -99.99  35.80 
2009 09 99.99 -99.99  35.80 
2009 10 99.99 -99.99  28.10 
2009 11 99.99 -99.99  25.20 
2009 12 99.99 -99.99  22.90 
2010 02 99.99 -99.99  23.50 
2010 03 99.99 -99.99  23.50 
2010 04 99.99 -99.99  30.70 
2010 05 99.99 -99.99  30.70 
2010 06 99.99 -99.99  36.00 
2010 07 99.99 -99.99  36.59 
2010 08 99.99 -99.99  37.00 
2010 09 99.99 -99.99  33.70 
2010 10 99.99 -99.99  29.10 
2010 11 99.99 -99.99  22.20 
2010 12 99.99 -99.99  18.20 
2011 01 99.99 -99.99  23.50 
2011 02 99.99 -99.99  23.50 
2011 03 99.99 -99.99  25.00 
2011 04 99.99 -99.99  31.50 
2011 05 99.99 -99.99  33.80 
2011 06 99.99 -99.99  36.40 
2011 07 99.99 -99.99  36.50 
2011 08 99.99 -99.99  36.30 
2011 09 99.99 -99.99  34.00 
2011 10 99.99 -99.99  28.70 
2011 11 99.99 -99.99  24.10 
2011 12 99.99 -99.99  16.50 
