Year	Dollars per Hour
2001-01-01	12.83
2002-01-01	12.51
2003-01-01	12.54
2004-01-01	12.59
2005-01-01	12.60
2006-01-01	13.22
2007-01-01	12.10
2008-01-01	12.98
2009-01-01	13.88
2010-01-01	13.79
2011-01-01	13.41
2012-01-01	13.46