Year	Dollars per Hour
2001-01-01	12.86
2002-01-01	12.43
2003-01-01	12.37
2004-01-01	12.12
2005-01-01	11.84
2006-01-01	12.16
2007-01-01	11.52
2008-01-01	11.83
2009-01-01	12.70
2010-01-01	12.38
2011-01-01	11.93
2012-01-01	12.34