1988 04 99.99 -99.99  27.00 
1988 05 99.99 -99.99  25.30 
1988 06 99.99 -99.99  25.30 
1988 07 99.99 -99.99  24.90 
1988 08 99.99 -99.99  24.90 
2004 07 99.99 -99.99  26.10 
2004 08 99.99 -99.99  26.70 
2004 09 99.99 -99.99  26.50 
2004 10 99.99 -99.99  27.50 
2004 11 99.99 -99.99  27.60 
2004 12 99.99 -99.99  27.40 
2005 01 99.99 -99.99  26.70 
2005 02 99.99 -99.99  26.50 
2005 03 99.99 -99.99  26.50 
2005 06 99.99 -99.99  26.60 
2005 07 99.99 -99.99  26.30 
2005 08 99.99 -99.99  27.00 
2005 09 99.99 -99.99  27.00 
2005 10 99.99 -99.99  27.20 
2005 11 99.99 -99.99  26.90 
2005 12 99.99 -99.99  25.70 
2006 01 99.99 -99.99  26.10 
2006 02 99.99 -99.99  26.70 
2006 03 99.99 -99.99  26.10 
2006 04 99.99 -99.99  26.10 
2006 05 99.99 -99.99  25.60 
2006 06 99.99 -99.99  26.20 
2006 07 99.99 -99.99  26.00 
2006 08 99.99 -99.99  26.90 
2006 09 99.99 -99.99  27.00 
2006 10 99.99 -99.99  27.70 
2006 11 99.99 -99.99  26.90 
2006 12 99.99 -99.99  27.60 
2007 01 99.99 -99.99  27.80 
2007 02 99.99 -99.99  29.00 
2007 03 99.99 -99.99  26.70 
2007 04 99.99 -99.99  26.30 
2007 05 99.99 -99.99  26.30 
2007 06 99.99 -99.99  26.30 
2007 07 99.99 -99.99  26.30 
2007 08 99.99 -99.99  26.40 
2007 09 99.99 -99.99  26.50 
2007 10 99.99 -99.99  26.70 
2007 11 99.99 -99.99  27.60 
2007 12 99.99 -99.99  25.60 
2008 01 99.99 -99.99  27.10 
2008 02 99.99 -99.99  26.30 
2008 03 99.99 -99.99  26.70 
2008 04 99.99 -99.99  27.90 
2008 05 99.99 -99.99  25.60 
2008 06 99.99 -99.99  25.90 
2008 07 99.99 -99.99  26.20 
2008 08 99.99 -99.99  27.20 
2008 09 99.99 -99.99  26.80 
2008 10 99.99 -99.99  27.10 
2008 11 99.99 -99.99  26.90 
2008 12 99.99 -99.99  26.50 
2009 01 99.99 -99.99  26.30 
2009 02 99.99 -99.99  26.90 
2009 04 99.99 -99.99  26.50 
2009 05 99.99 -99.99  26.50 
2009 07 99.99 -99.99  26.50 
2009 08 99.99 -99.99  26.80 
2009 09 99.99 -99.99  27.80 
2009 10 99.99 -99.99  27.20 
2009 11 99.99 -99.99  28.00 
2009 12 99.99 -99.99  27.80 
2010 01 99.99 -99.99  28.00 
2010 02 99.99 -99.99  27.50 
2010 03 99.99 -99.99  27.50 
2010 04 99.99 -99.99  26.60 
2010 05 99.99 -99.99  26.70 
2010 07 99.99 -99.99  26.20 
2010 08 99.99 -99.99  26.50 
2010 09 99.99 -99.99  27.80 
2010 10 99.99 -99.99  27.80 
2010 11 99.99 -99.99  27.10 
2010 12 99.99 -99.99  26.80 
2011 01 99.99 -99.99  26.80 
2011 02 99.99 -99.99  26.00 
2011 03 99.99 -99.99  26.10 
2011 04 99.99 -99.99  26.20 
2011 05 99.99 -99.99  26.20 
2011 06 99.99 -99.99  26.50 
2011 07 99.99 -99.99  26.50 
2011 08 99.99 -99.99  27.00 
2011 09 99.99 -99.99  27.10 
2011 10 99.99 -99.99  27.20 
2011 11 99.99 -99.99  27.10 
2011 12 99.99 -99.99  27.40 
2012 01 99.99 -99.99  26.30 
2012 02 99.99 -99.99  25.70 
2012 03 99.99 -99.99  26.80 
2012 04 99.99 -99.99  25.70 
2012 05 99.99 -99.99  26.00 
2012 06 99.99 -99.99  26.30 
2012 07 99.99 -99.99  26.00 
2012 08 99.99 -99.99  26.60 
2012 09 99.99 -99.99  26.50 
2012 10 99.99 -99.99  27.20 
2012 11 99.99 -99.99  27.60 
2012 12 99.99 -99.99  26.70 
2013 01 99.99 -99.99  27.80 
2013 02 99.99 -99.99  26.00 
2013 03 99.99 -99.99  26.90 
2013 04 99.99 -99.99  27.20 
2013 05 99.99 -99.99  26.40 
2013 06 99.99 -99.99  26.50 
2013 07 99.99 -99.99  25.50 
2013 08 99.99 -99.99  26.00 
2013 09 99.99 -99.99  26.90 
2013 10 99.99 -99.99  27.40 
