1977 11 99.99  13.16 -99.99 
1978 01 99.99  16.12 -99.99 
1978 06 99.99  12.04 -99.99 
1978 08 99.99   9.93 -99.99 
1978 09 99.99  10.44 -99.99 
1978 10 99.99  11.15 -99.99 
1978 11 99.99  12.78 -99.99 
1987 04 99.99  15.42 -99.99 
1987 05 99.99  13.24 -99.99 
1987 06 99.99  12.04 -99.99 
1987 08 99.99  10.90 -99.99 
1987 11 99.99  13.55 -99.99 
1988 06 99.99  12.28 -99.99 
1988 10 99.99  11.44 -99.99 
1988 11 99.99  13.29 -99.99 
1989 06 99.99  13.06 -99.99 
1990 03 99.99  16.29 -99.99 
1990 06 99.99  11.30 -99.99 
1990 07 99.99  10.18 -99.99 
1990 09 99.99  10.79 -99.99 
1990 10 99.99  11.16 -99.99 
1990 11 99.99  12.31 -99.99 
1992 02 99.99  15.75 -99.99 
1992 11 99.99  12.86 -99.99 
1993 02 99.99  16.87 -99.99 
1993 03 99.99  17.07 -99.99 
1993 06 99.99  11.87 -99.99 
1993 07 99.99  10.04 -99.99 
1993 09 99.99   9.83 -99.99 
1993 11 99.99  12.64 -99.99 
1993 12 99.99  14.48 -99.99 
1994 04 99.99  14.44 -99.99 
1994 05 99.99  13.18 -99.99 
1994 08 99.99   9.68 -99.99 
1994 09 99.99  10.86 -99.99 
1994 10 99.99  11.91 -99.99 
1994 11 99.99  13.18 -99.99 
1994 12 99.99  14.57 -99.99 
1995 02 99.99  15.80 -99.99 
1995 08 99.99   9.82 -99.99 
1995 09 99.99  10.14 -99.99 
1995 10 99.99  10.44 -99.99 
1995 11 99.99  11.88 -99.99 
1995 12 99.99  15.19 -99.99 
1996 01 99.99  16.04 -99.99 
1996 02 99.99  16.46 -99.99 
1996 03 99.99  16.71 -99.99 
1996 04 99.99  14.28 -99.99 
1996 05 99.99  13.45 -99.99 
1996 07 99.99  11.28 -99.99 
1996 08 99.99  10.86 -99.99 
1996 09 99.99  10.82 -99.99 
1996 10 99.99  11.20 -99.99 
1997 01 99.99  16.37 -99.99 
1997 02 99.99  15.61 -99.99 
1997 03 99.99  15.47 -99.99 
1997 04 99.99  15.96 -99.99 
1997 05 99.99  13.14 -99.99 
1997 07 99.99  10.45 -99.99 
1997 08 99.99   9.77 -99.99 
1997 09 99.99  10.01 -99.99 
1997 10 99.99  10.34 -99.99 
1997 11 99.99  12.43 -99.99 
1997 12 99.99  14.46 -99.99 
1998 01 99.99  15.85 -99.99 
1998 02 99.99  15.81 -99.99 
1998 03 99.99  16.20 -99.99 
1998 05 99.99  14.19 -99.99 
1998 06 99.99  11.33 -99.99 
1998 07 99.99  11.00 -99.99 
1998 08 99.99  10.49 -99.99 
1998 09 99.99  10.68 -99.99 
1998 10 99.99  12.05 -99.99 
1998 12 99.99  14.59 -99.99 
1999 02 99.99  16.33 -99.99 
1999 04 99.99  13.75 -99.99 
1999 06 99.99  11.29 -99.99 
1999 07 99.99   9.87 -99.99 
1999 09 99.99  10.75 -99.99 
1999 11 99.99  13.52 -99.99 
2000 01 99.99  16.59 -99.99 
2000 02 99.99  15.72 -99.99 
2000 03 99.99  15.58 -99.99 
2000 05 99.99  12.45 -99.99 
2000 07 99.99   9.74 -99.99 
2000 09 99.99   9.97 -99.99 
2000 10 99.99  10.78 -99.99 
2000 12 99.99  15.56 -99.99 
2001 01 99.99  16.68 -99.99 
2001 02 99.99  17.62 -99.99 
2001 03 99.99  15.98 -99.99 
2001 05 99.99  12.57 -99.99 
2001 06 99.99  11.90 -99.99 
2001 07 99.99  11.43 -99.99 
2001 09 99.99  10.14 -99.99 
2001 10 99.99  10.56 -99.99 
2001 11 99.99  12.35 -99.99 
2001 12 99.99  15.52 -99.99 
2002 01 99.99  16.65 -99.99 
2002 02 99.99  16.51 -99.99 
2002 04 99.99  13.49 -99.99 
2002 05 99.99  12.52 -99.99 
2002 08 99.99   9.62 -99.99 
2002 09 99.99   9.47 -99.99 
2002 10 99.99  11.15 -99.99 
2002 11 99.99  12.13 -99.99 
2002 12 99.99  13.01 -99.99 
2003 01 99.99  16.28 -99.99 
2003 02 22.04  16.37  19.20 
2003 04 99.99  13.45 -99.99 
2003 07 99.99  10.05 -99.99 
2003 08 99.99  10.41 -99.99 
2003 09 99.99   9.87 -99.99 
2003 10 99.99  10.72 -99.99 
2003 11 99.99  12.13 -99.99 
2003 12 99.99  13.68 -99.99 
2004 02 99.99  15.06 -99.99 
2004 03 99.99  14.44 -99.99 
2004 04 99.99  13.42 -99.99 
2004 05 99.99  12.13 -99.99 
2004 06 99.99  11.50 -99.99 
2004 07 99.99   9.66 -99.99 
2004 09 99.99   9.85 -99.99 
2005 04 99.99  14.08 -99.99 
2005 09 99.99  10.58 -99.99 
2005 10 99.99  11.19 -99.99 
2005 11 99.99  13.21 -99.99 
2006 06 99.99  12.53 -99.99 
2006 07 99.99  10.61 -99.99 
2006 08 99.99  10.08 -99.99 
2006 12 99.99  14.33 -99.99 
2007 01 99.99  15.83 -99.99 
2007 04 99.99  14.03 -99.99 
2007 05 99.99  12.45 -99.99 
2007 06 99.99   9.68 -99.99 
2007 07 99.99  10.63 -99.99 
2007 10 99.99  10.97 -99.99 
2007 11 99.99  12.43 -99.99 
2008 01 99.99  16.29 -99.99 
2008 02 99.99  17.74 -99.99 
2008 03 22.39  16.58  19.48 
2008 04 99.99  15.12 -99.99 
2008 05 99.99  13.45 -99.99 
2008 06 99.99  12.08 -99.99 
2008 09 99.99  10.01 -99.99 
2008 11 99.99  12.90 -99.99 
2008 12 99.99  15.46 -99.99 
2009 01 99.99  17.04 -99.99 
2009 02 99.99  17.26 -99.99 
2009 03 99.99  17.03 -99.99 
2009 05 99.99  15.02 -99.99 
2009 11 99.99  11.85 -99.99 
2009 12 99.99  13.91 -99.99 
2010 01 21.55  16.25  18.90 
2010 02 99.99  14.97 -99.99 
2010 04 99.99  13.92 -99.99 
2010 05 99.99  12.19 -99.99 
2010 06 99.99  11.29 -99.99 
2010 07 99.99   9.91 -99.99 
2010 08 99.99   9.47 -99.99 
2010 11 99.99  12.28 -99.99 
2010 12 99.99  13.60 -99.99 
2011 01 99.99  16.10 -99.99 
2011 04 99.99  14.26 -99.99 
2011 05 99.99  12.37 -99.99 
2011 06 99.99  11.54 -99.99 
2011 07 99.99   9.68 -99.99 
2011 08 99.99   9.64 -99.99 
2011 09 99.99   9.60 -99.99 
2011 10 16.01  10.90  13.45 
2011 11 99.99  12.06 -99.99 
2012 01 99.99  16.61 -99.99 
2012 02 99.99  17.24 -99.99 
2012 08 99.99   9.53 -99.99 
2012 09 99.99   9.89 -99.99 
2012 10 99.99  10.81 -99.99 
2012 11 99.99  12.96 -99.99 
2012 12 99.99  14.14 -99.99 
2013 01 99.99  15.90 -99.99 
2013 02 99.99  17.06 -99.99 
2013 03 99.99  16.15 -99.99 
2013 04 99.99  14.88 -99.99 
2013 05 18.34  13.39  15.86 
2013 06 99.99  12.51 -99.99 
2013 07 99.99  10.83 -99.99 
2013 08 99.99   9.80 -99.99 
2013 09 99.99  10.81 -99.99 
2013 10 99.99  11.73 -99.99 
2013 11 17.70  11.93  14.81 
2013 12 99.99  14.46 -99.99 
2014 01 99.99  16.62 -99.99 
2014 02 21.68  16.37  19.02 
2014 03 99.99  15.66 -99.99 
2014 04 99.99  14.04 -99.99 
2014 05 99.99  13.76 -99.99 
