Year Dollars per Hour 2001-01-01 8.58 2002-01-01 8.78 2003-01-01 9.57 2004-01-01 8.59 2005-01-01 9.94 2006-01-01 11.26 2007-01-01 10.33 2008-01-01 9.44 2009-01-01 9.26 2010-01-01 9.62 2011-01-01 9.65 2012-01-01 10.41