2005 12 99.99 -99.99  15.50 
2006 01 99.99 -99.99  16.00 
2006 02 99.99 -99.99  18.00 
2006 03 99.99 -99.99  19.40 
2006 04 99.99 -99.99  21.70 
2006 05 99.99 -99.99  22.40 
2006 06 99.99 -99.99  21.60 
2006 07 99.99 -99.99  20.70 
2006 09 99.99 -99.99  20.00 
2006 10 99.99 -99.99  19.79 
2006 11 99.99 -99.99  17.29 
2006 12 99.99 -99.99  14.20 
2007 02 99.99 -99.99  15.80 
2007 03 99.99 -99.99  18.79 
2007 04 99.99 -99.99  20.00 
2007 05 99.99 -99.99  22.60 
2007 06 99.99 -99.99  21.50 
2007 07 99.99 -99.99  20.20 
2007 08 99.99 -99.99  20.20 
2007 09 99.99 -99.99  20.29 
2007 10 99.99 -99.99  19.29 
2007 11 99.99 -99.99  17.00 
2007 12 99.99 -99.99  16.00 
2008 01 99.99 -99.99  15.10 
2008 02 99.99 -99.99  16.40 
2008 03 99.99 -99.99  18.20 
2008 04 99.99 -99.99  21.40 
2008 05 99.99 -99.99  21.90 
2008 06 99.99 -99.99  21.10 
2008 07 99.99 -99.99  19.79 
2008 08 99.99 -99.99  20.40 
2008 09 99.99 -99.99  20.20 
2008 10 99.99 -99.99  19.20 
2008 11 99.99 -99.99  16.50 
2008 12 99.99 -99.99  14.20 
2009 01 99.99 -99.99  16.00 
2009 02 99.99 -99.99  17.20 
2009 03 99.99 -99.99  18.90 
2009 04 99.99 -99.99  20.90 
2009 05 99.99 -99.99  21.70 
2009 06 99.99 -99.99  21.90 
2009 07 99.99 -99.99  21.40 
2009 08 99.99 -99.99  28.00 
2009 11 99.99 -99.99  16.79 
2009 12 99.99 -99.99  15.20 
2010 01 99.99 -99.99  14.50 
2010 04 99.99 -99.99  19.79 
2010 05 99.99 -99.99  22.70 
2010 06 99.99 -99.99  22.10 
2010 07 99.99 -99.99  20.50 
2010 08 99.99 -99.99  20.90 
2010 10 99.99 -99.99  19.20 
2010 11 99.99 -99.99  16.70 
2010 12 99.99 -99.99  14.60 
2011 01 99.99 -99.99  15.40 
2011 02 99.99 -99.99  17.70 
2011 03 99.99 -99.99  19.10 
2011 04 99.99 -99.99  21.60 
2011 05 99.99 -99.99  23.20 
2011 06 99.99 -99.99  22.30 
2011 07 99.99 -99.99  20.70 
2011 11 99.99 -99.99  17.20 
2011 12 99.99 -99.99  15.40 
