Month	Dollars per Hour
2001-01-01	13.14
2001-02-01	12.65
2001-03-01	12.83
2001-04-01	12.96
2001-05-01	12.94
2001-06-01	12.32
2001-07-01	12.62
2001-08-01	12.82
2001-09-01	12.56
2001-10-01	12.80
2001-11-01	13.09
2001-12-01	12.70
2002-01-01	12.77
2002-02-01	13.94
2002-03-01	12.95
2002-04-01	12.89
2002-05-01	13.17
2002-06-01	12.59
2002-07-01	12.29
2002-08-01	12.41
2002-09-01	12.32
2002-10-01	12.64
2002-11-01	12.37
2002-12-01	12.29
2003-01-01	10.69
2003-02-01	11.22
2003-03-01	12.36
2003-04-01	13.36
2003-05-01	12.69
2003-06-01	13.39
2003-07-01	13.26
2003-08-01	13.05
2003-09-01	13.13
2003-10-01	13.96
2003-11-01	13.85
2003-12-01	13.84
2004-01-01	12.96
2004-02-01	13.23
2004-03-01	13.46
2004-04-01	13.37
2004-05-01	13.50
2004-06-01	13.19
2004-07-01	14.20
2004-08-01	13.77
2004-09-01	14.09
2004-10-01	14.54
2004-11-01	14.23
2004-12-01	15.19
2005-01-01	15.07
2005-02-01	14.87
2005-03-01	14.74
2005-04-01	14.39
2005-05-01	14.28
2005-06-01	14.08
2005-07-01	14.11
2005-08-01	14.24
2005-09-01	13.74
2005-10-01	14.01
2005-11-01	15.38
2005-12-01	17.21
2006-01-01	15.49
2006-02-01	17.60
2006-03-01	16.94
2006-04-01	17.12
2006-05-01	16.81
2006-06-01	16.49
2006-07-01	15.84
2006-08-01	15.31
2006-09-01	15.96
2006-10-01	15.17
2006-11-01	16.65
2006-12-01	15.74
2007-01-01	9.16
2007-02-01	12.39
2007-03-01	10.88
2007-04-01	12.30
2007-05-01	13.01
2007-06-01	13.63
2007-07-01	14.16
2007-08-01	14.21
2007-09-01	13.78
2007-10-01	13.72
2007-11-01	13.83
2007-12-01	14.02
2008-01-01	14.33
2008-02-01	14.04
2008-03-01	14.13
2008-04-01	14.21
2008-05-01	14.42
2008-06-01	14.18
2008-07-01	14.36
2008-08-01	14.00
2008-09-01	14.47
2008-10-01	14.51
2008-11-01	15.91
2008-12-01	16.90
2009-01-01	16.18
2009-02-01	16.44
2009-03-01	17.81
2009-04-01	18.57
2009-05-01	19.33
2009-06-01	19.01
2009-07-01	19.23
2009-08-01	18.91
2009-09-01	18.01
2009-10-01	17.73
2009-11-01	17.70
2009-12-01	17.50
2010-01-01	18.03
2010-02-01	18.15
2010-03-01	17.10
2010-04-01	16.31
2010-05-01	16.35
2010-06-01	16.72
2010-07-01	16.59
2010-08-01	16.04
2010-09-01	15.64
2010-10-01	15.53
2010-11-01	15.63
2010-12-01	15.67
2011-01-01	16.54
2011-02-01	16.17
2011-03-01	15.25
2011-04-01	15.20
2011-05-01	14.92
2011-06-01	15.11
2011-07-01	15.60
2011-08-01	15.95
2011-09-01	15.44
2011-10-01	15.22
2011-11-01	16.42
2011-12-01	16.11
2012-01-01	16.18
2012-02-01	15.99
2012-03-01	14.30
2012-04-01	14.14
2012-05-01	14.56
2012-06-01	15.03
2012-07-01	15.36
2012-08-01	15.03
2012-09-01	14.56
2012-10-01	14.46
2012-11-01	14.61
2012-12-01	14.53
2013-01-01	14.74
2013-02-01	11.78
2013-03-01	11.06
2013-04-01	11.76
2013-05-01	11.81
2013-06-01	13.30
2013-07-01	13.28
2013-08-01	13.13
2013-09-01	14.07
2013-10-01	13.76
2013-11-01	14.36
2013-12-01	14.57