Month Dollars per Hour 2001-01-01 13.60 2001-02-01 12.54 2001-03-01 12.83 2001-04-01 12.97 2001-05-01 13.02 2001-06-01 12.83 2001-07-01 12.86 2001-08-01 12.62 2001-09-01 12.60 2001-10-01 12.59 2001-11-01 12.79 2001-12-01 12.73 2002-01-01 12.55 2002-02-01 12.73 2002-03-01 12.64 2002-04-01 12.51 2002-05-01 12.65 2002-06-01 12.31 2002-07-01 12.50 2002-08-01 12.32 2002-09-01 12.60 2002-10-01 12.71 2002-11-01 12.38 2002-12-01 12.23 2003-01-01 11.83 2003-02-01 12.04 2003-03-01 12.51 2003-04-01 12.63 2003-05-01 12.55 2003-06-01 12.68 2003-07-01 12.74 2003-08-01 12.51 2003-09-01 12.78 2003-10-01 12.87 2003-11-01 12.86 2003-12-01 12.47 2004-01-01 12.40 2004-02-01 12.64 2004-03-01 12.61 2004-04-01 12.30 2004-05-01 12.49 2004-06-01 12.46 2004-07-01 12.76 2004-08-01 12.25 2004-09-01 12.63 2004-10-01 12.89 2004-11-01 12.81 2004-12-01 12.89 2005-01-01 12.79 2005-02-01 12.81 2005-03-01 12.74 2005-04-01 12.50 2005-05-01 12.44 2005-06-01 12.46 2005-07-01 12.53 2005-08-01 12.57 2005-09-01 12.11 2005-10-01 12.66 2005-11-01 12.49 2005-12-01 13.31 2006-01-01 12.61 2006-02-01 13.31 2006-03-01 12.98 2006-04-01 12.97 2006-05-01 13.11 2006-06-01 13.05 2006-07-01 13.71 2006-08-01 13.11 2006-09-01 13.38 2006-10-01 13.40 2006-11-01 13.59 2006-12-01 13.33 2007-01-01 10.51 2007-02-01 11.70 2007-03-01 11.29 2007-04-01 11.81 2007-05-01 11.95 2007-06-01 12.49 2007-07-01 11.92 2007-08-01 12.28 2007-09-01 12.51 2007-10-01 13.01 2007-11-01 12.88 2007-12-01 12.82 2008-01-01 12.85 2008-02-01 12.85 2008-03-01 12.78 2008-04-01 12.57 2008-05-01 12.61 2008-06-01 12.70 2008-07-01 12.69 2008-08-01 12.67 2008-09-01 13.12 2008-10-01 12.99 2008-11-01 13.19 2008-12-01 14.66 2009-01-01 14.31 2009-02-01 14.69 2009-03-01 14.29 2009-04-01 14.30 2009-05-01 13.86 2009-06-01 13.80 2009-07-01 14.07 2009-08-01 13.97 2009-09-01 14.03 2009-10-01 12.94 2009-11-01 13.02 2009-12-01 13.16 2010-01-01 13.26 2010-02-01 13.53 2010-03-01 13.44 2010-04-01 13.53 2010-05-01 13.75 2010-06-01 14.15 2010-07-01 14.53 2010-08-01 14.20 2010-09-01 13.96 2010-10-01 13.87 2010-11-01 13.65 2010-12-01 13.62 2011-01-01 14.01 2011-02-01 13.61 2011-03-01 13.23 2011-04-01 12.95 2011-05-01 12.81 2011-06-01 12.92 2011-07-01 13.17 2011-08-01 13.26 2011-09-01 13.68 2011-10-01 13.51 2011-11-01 13.98 2011-12-01 13.76 2012-01-01 13.51 2012-02-01 13.42 2012-03-01 12.65 2012-04-01 12.95 2012-05-01 13.26 2012-06-01 13.54 2012-07-01 13.71 2012-08-01 13.58 2012-09-01 13.52 2012-10-01 13.57 2012-11-01 13.86 2012-12-01 13.85 2013-01-01 14.44 2013-02-01 12.73 2013-03-01 12.25 2013-04-01 12.71 2013-05-01 13.08 2013-06-01 13.75 2013-07-01 13.69 2013-08-01 13.39 2013-09-01 14.07 2013-10-01 14.06 2013-11-01 14.87 2013-12-01 13.49