2004 03 99.99 -99.99  27.90 
2004 06 99.99 -99.99  27.80 
2004 07 99.99 -99.99  27.30 
2004 08 99.99 -99.99  27.30 
2004 09 99.99 -99.99  28.60 
2005 01 99.99 -99.99  25.80 
2005 02 99.99 -99.99  27.00 
2005 05 99.99 -99.99  29.00 
2005 08 99.99 -99.99  28.10 
2005 09 99.99 -99.99  27.80 
2005 10 99.99 -99.99  27.60 
2005 11 99.99 -99.99  27.40 
2006 07 99.99 -99.99  27.40 
2006 09 99.99 -99.99  27.20 
2006 11 99.99 -99.99  28.10 
2007 01 99.99 -99.99  26.00 
2007 02 99.99 -99.99  26.40 
2007 03 99.99 -99.99  28.00 
2007 04 99.99 -99.99  29.20 
2007 05 99.99 -99.99  28.40 
2007 06 99.99 -99.99  28.30 
2007 07 99.99 -99.99  27.30 
2007 08 99.99 -99.99  27.40 
2007 10 99.99 -99.99  27.10 
2007 11 99.99 -99.99  26.60 
2007 12 99.99 -99.99  26.90 
2008 01 99.99 -99.99  26.20 
2008 02 99.99 -99.99  26.50 
2008 03 99.99 -99.99  27.30 
2008 04 99.99 -99.99  28.70 
2008 05 99.99 -99.99  27.80 
2008 06 99.99 -99.99  27.60 
2008 07 99.99 -99.99  27.40 
2008 08 99.99 -99.99  27.40 
2008 09 99.99 -99.99  27.10 
2008 10 99.99 -99.99  27.30 
2008 11 99.99 -99.99  26.70 
2009 01 99.99 -99.99  25.10 
2009 02 99.99 -99.99  26.80 
2009 03 99.99 -99.99  28.60 
2009 04 99.99 -99.99  28.90 
2009 05 99.99 -99.99  28.20 
2009 06 99.99 -99.99  28.80 
2009 09 99.99 -99.99  27.00 
2009 10 99.99 -99.99  27.50 
2010 03 99.99 -99.99  28.60 
2010 04 99.99 -99.99  29.90 
2010 05 99.99 -99.99  30.20 
2010 08 99.99 -99.99  27.70 
2010 09 99.99 -99.99  27.80 
2010 11 99.99 -99.99  26.80 
2010 12 99.99 -99.99  26.70 
2011 01 99.99 -99.99  26.30 
2011 02 99.99 -99.99  26.40 
2011 03 99.99 -99.99  27.40 
2011 04 99.99 -99.99  28.00 
2011 05 99.99 -99.99  28.70 
2011 06 99.99 -99.99  27.90 
2011 07 99.99 -99.99  27.90 
2011 08 99.99 -99.99  27.90 
2011 09 99.99 -99.99  27.20 
2014 03 32.40  25.40  28.90 
2014 04 34.00  26.30  30.15 
2014 05 34.00  26.70  30.35 
