1987 02 99.99 -99.99  10.90 
1987 03 99.99 -99.99  13.90 
1987 06 99.99 -99.99  28.30 
1987 08 99.99 -99.99  31.40 
1987 10 99.99 -99.99  21.90 
1987 11 99.99 -99.99  12.50 
1987 12 99.99 -99.99  11.10 
1988 01 99.99 -99.99  11.10 
1988 03 99.99 -99.99  10.90 
1988 04 99.99 -99.99  17.79 
1988 05 99.99 -99.99  22.40 
1988 06 99.99 -99.99  26.50 
1988 07 99.99 -99.99  32.50 
1988 08 99.99 -99.99  20.80 
1988 09 99.99 -99.99  17.90 
1988 10 99.99 -99.99  20.70 
1988 11 99.99 -99.99  18.70 
1989 01 99.99 -99.99   7.00 
1989 02 99.99 -99.99   9.89 
1989 03 99.99 -99.99  14.80 
1989 04 99.99 -99.99  15.90 
1989 05 99.99 -99.99  22.10 
1989 06 99.99 -99.99  25.20 
1989 07 99.99 -99.99  30.50 
1989 09 99.99 -99.99  27.50 
1989 10 99.99 -99.99  19.90 
1990 03 99.99 -99.99  14.20 
1990 04 99.99 -99.99  12.30 
1990 05 99.99 -99.99  21.00 
1990 06 99.99 -99.99  29.10 
1990 08 99.99 -99.99  29.10 
1990 09 99.99 -99.99  28.20 
1990 10 99.99 -99.99  20.90 
1990 11 99.99 -99.99  13.90 
1991 01 99.99 -99.99   7.30 
1991 02 99.99 -99.99   9.00 
1991 03 99.99 -99.99  14.10 
1991 05 99.99 -99.99  18.79 
1991 07 99.99 -99.99  31.70 
1991 10 99.99 -99.99  18.10 
1991 11 99.99 -99.99  11.50 
1992 01 99.99 -99.99   6.20 
1992 05 99.99 -99.99  21.00 
1992 09 99.99 -99.99  26.40 
1993 03 99.99 -99.99  12.80 
1993 06 99.99 -99.99  28.30 
1993 08 99.99 -99.99  31.40 
1993 09 99.99 -99.99  24.60 
1993 10 99.99 -99.99  20.80 
1993 11 99.99 -99.99  20.80 
1993 12 99.99 -99.99   9.50 
1994 01 99.99 -99.99  10.10 
1994 03 99.99 -99.99  15.20 
1994 04 99.99 -99.99  15.70 
1994 05 99.99 -99.99  25.30 
1994 06 99.99 -99.99  29.10 
1994 07 99.99 -99.99  33.00 
1994 08 99.99 -99.99  33.30 
1994 09 99.99 -99.99  25.40 
1994 12 99.99 -99.99   9.80 
1995 02 99.99 -99.99  13.30 
1995 03 99.99 -99.99  13.00 
1995 04 99.99 -99.99  15.80 
1995 05 99.99 -99.99  23.60 
1995 06 99.99 -99.99  24.10 
1995 08 99.99 -99.99  30.00 
1995 09 99.99 -99.99  24.40 
1995 11 99.99 -99.99  14.10 
1996 01 99.99 -99.99  11.20 
1996 03 99.99 -99.99  13.20 
1996 04 99.99 -99.99  16.79 
1996 05 99.99 -99.99  20.90 
1996 06 99.99 -99.99  24.70 
1996 07 99.99 -99.99  29.70 
1996 09 99.99 -99.99  23.80 
1996 10 99.99 -99.99  17.79 
1996 11 99.99 -99.99  14.40 
1996 12 99.99 -99.99  10.80 
1997 01 99.99 -99.99  10.80 
1997 02 99.99 -99.99  13.00 
1997 03 99.99 -99.99  14.10 
1997 04 99.99 -99.99  16.70 
1997 05 99.99 -99.99  23.80 
1997 06 99.99 -99.99  29.50 
1997 07 99.99 -99.99  13.40 
1997 08 99.99 -99.99  30.00 
1997 09 99.99 -99.99  24.90 
1997 10 99.99 -99.99  20.20 
1997 11 99.99 -99.99  14.00 
1997 12 99.99 -99.99  10.50 
1998 01 99.99 -99.99   7.30 
1998 03 99.99 -99.99  12.10 
1998 04 99.99 -99.99  18.29 
1998 05 99.99 -99.99  21.00 
1998 06 99.99 -99.99  28.90 
1998 07 99.99 -99.99  32.90 
1998 08 99.99 -99.99  30.80 
1998 09 99.99 -99.99  27.40 
1998 10 99.99 -99.99  18.10 
1998 11 99.99 -99.99  42.40 
1998 12 99.99 -99.99   8.10 
1999 01 99.99 -99.99   9.50 
1999 02 99.99 -99.99   9.80 
1999 03 99.99 -99.99  10.30 
1999 04 99.99 -99.99  18.79 
1999 05 99.99 -99.99  26.50 
1999 06 99.99 -99.99  30.70 
1999 07 99.99 -99.99  31.90 
1999 08 99.99 -99.99  34.09 
1999 09 99.99 -99.99  26.50 
1999 10 99.99 -99.99  15.70 
1999 11 99.99 -99.99  13.00 
1999 12 99.99 -99.99  34.80 
2000 01 99.99 -99.99   6.40 
2000 02 99.99 -99.99  40.59 
2000 03 99.99 -99.99  14.90 
2000 04 99.99 -99.99  18.70 
2000 05 99.99 -99.99  25.30 
2000 06 99.99 -99.99  20.00 
2000 07 99.99 -99.99  32.59 
2000 08 99.99 -99.99  30.70 
2000 10 99.99 -99.99  18.20 
2000 11 99.99 -99.99  14.30 
2000 12 99.99 -99.99  10.20 
2001 02 99.99 -99.99   7.20 
2001 03 99.99 -99.99  18.50 
2001 04 99.99 -99.99  17.79 
2001 05 99.99 -99.99  22.50 
2001 06 99.99 -99.99  30.10 
2001 07 99.99 -99.99  32.90 
2001 08 99.99 -99.99  32.00 
2001 09 99.99 -99.99  26.50 
2001 10 99.99 -99.99  22.90 
2001 11 99.99 -99.99  13.40 
2001 12 99.99 -99.99   8.50 
2002 01 99.99 -99.99   8.10 
2002 02 99.99 -99.99  11.40 
2002 03 99.99 -99.99  15.80 
2002 04 99.99 -99.99  18.90 
2002 05 99.99 -99.99  23.60 
2002 06 99.99 -99.99  29.60 
2002 08 99.99 -99.99  30.20 
2002 09 99.99 -99.99  25.60 
2002 10 99.99 -99.99  20.70 
2002 11 99.99 -99.99  14.90 
2002 12 99.99 -99.99  11.40 
2003 01 99.99 -99.99   9.50 
2003 02 99.99 -99.99   9.39 
2003 04 99.99 -99.99  18.20 
2003 05 99.99 -99.99  23.30 
2003 06 99.99 -99.99  30.60 
2003 07 99.99 -99.99  34.40 
2003 10 99.99 -99.99  21.20 
2003 11 99.99 -99.99  14.20 
2003 12 99.99 -99.99   9.10 
2004 01 99.99 -99.99  10.00 
2004 02 99.99 -99.99  11.90 
2004 03 99.99 -99.99  14.90 
2004 05 99.99 -99.99  18.79 
2004 06 99.99 -99.99  28.90 
2004 07 99.99 -99.99  31.70 
2004 08 99.99 -99.99  32.20 
2004 09 99.99 -99.99  25.70 
2004 10 99.99 -99.99  21.80 
2004 11 99.99 -99.99  10.80 
2004 12 99.99 -99.99  10.10 
2005 01 99.99 -99.99   6.80 
2005 02 99.99 -99.99   8.20 
2005 03 99.99 -99.99  15.40 
2005 04 99.99 -99.99  17.50 
2005 05 99.99 -99.99  26.00 
2005 06 99.99 -99.99  29.10 
2005 07 99.99 -99.99  25.80 
2005 08 99.99 -99.99  31.10 
2005 09 99.99 -99.99  24.90 
2005 10 99.99 -99.99  20.50 
2005 11 99.99 -99.99  12.50 
2005 12 99.99 -99.99   8.89 
2006 01 99.99 -99.99   3.00 
2006 02 99.99 -99.99   4.19 
2006 03 99.99 -99.99  15.10 
2006 04 99.99 -99.99  20.60 
2006 05 99.99 -99.99  25.40 
2006 06 99.99 -99.99  29.40 
2006 07 99.99 -99.99  29.40 
2006 08 99.99 -99.99  31.10 
2006 09 99.99 -99.99  24.60 
2006 10 99.99 -99.99  22.40 
2006 11 99.99 -99.99  14.90 
2006 12 99.99 -99.99  10.30 
2007 01 99.99 -99.99   9.30 
2007 02 99.99 -99.99  12.70 
2007 03 99.99 -99.99  13.20 
2007 04 99.99 -99.99  17.10 
2007 05 99.99 -99.99  22.60 
2007 06 99.99 -99.99  29.70 
2007 07 99.99 -99.99  32.30 
2007 08 99.99 -99.99  31.90 
2007 09 99.99 -99.99  25.50 
2007 10 99.99 -99.99  14.90 
2007 11 99.99 -99.99  12.10 
2007 12 99.99 -99.99   9.60 
2008 01 99.99 -99.99   9.30 
2008 02 99.99 -99.99  11.50 
2008 03 99.99 -99.99  14.60 
2008 04 99.99 -99.99  19.00 
2008 05 99.99 -99.99  23.30 
2008 06 99.99 -99.99  28.10 
2008 07 99.99 -99.99  33.30 
2008 08 99.99 -99.99  24.70 
2008 09 99.99 -99.99  26.40 
2008 10 99.99 -99.99  19.00 
2008 11 99.99 -99.99  12.50 
2008 12 99.99 -99.99   8.60 
2009 01 99.99 -99.99   9.30 
2009 02 99.99 -99.99   9.80 
2009 03 99.99 -99.99  13.30 
2009 04 99.99 -99.99  15.30 
2009 05 99.99 -99.99  24.10 
2009 06 99.99 -99.99  30.00 
2009 07 99.99 -99.99  34.30 
2009 08 99.99 -99.99  32.30 
2009 09 99.99 -99.99  24.20 
2009 10 99.99 -99.99  15.60 
2009 11 99.99 -99.99  14.40 
2009 12 99.99 -99.99  11.30 
2010 01 99.99 -99.99  10.80 
2010 02 99.99 -99.99  12.30 
2010 03 99.99 -99.99  14.90 
2010 04 99.99 -99.99  18.50 
2010 05 99.99 -99.99  20.80 
2010 06 99.99 -99.99  28.10 
2010 07 99.99 -99.99  33.09 
2010 08 99.99 -99.99  32.00 
2010 09 99.99 -99.99  26.20 
2010 10 99.99 -99.99  19.10 
2010 11 99.99 -99.99  14.30 
2010 12 99.99 -99.99   9.30 
2011 01 99.99 -99.99   9.30 
2011 02 99.99 -99.99   9.89 
2011 03 99.99 -99.99  13.40 
2011 07 99.99 -99.99  32.00 
2011 08 99.99 -99.99  31.90 
2011 09 99.99 -99.99  27.70 
2011 10 99.99 -99.99  19.20 
2014 03 18.79   7.90  13.35 
2014 04 27.10  12.70  19.90 
2014 05 30.50  15.90  23.20 
