Year	Dollars per Hour
2001-01-01	12.78
2002-01-01	12.71
2003-01-01	12.87
2004-01-01	13.82
2005-01-01	14.63
2006-01-01	16.23
2007-01-01	12.94
2008-01-01	14.64
2009-01-01	17.99
2010-01-01	16.47
2011-01-01	15.66
2012-01-01	14.88