Month	Dollars per Hour
2001-01-01	14.04
2001-02-01	14.10
2001-03-01	13.85
2001-04-01	13.94
2001-05-01	14.06
2001-06-01	14.09
2001-07-01	14.38
2001-08-01	14.25
2001-09-01	14.32
2001-10-01	14.32
2001-11-01	14.63
2001-12-01	14.57
2002-01-01	14.64
2002-02-01	14.26
2002-03-01	14.36
2002-04-01	14.48
2002-05-01	14.31
2002-06-01	14.20
2002-07-01	14.34
2002-08-01	14.29
2002-09-01	14.29
2002-10-01	14.41
2002-11-01	14.55
2002-12-01	14.70
2003-01-01	14.09
2003-02-01	14.33
2003-03-01	14.56
2003-04-01	14.53
2003-05-01	14.58
2003-06-01	14.52
2003-07-01	14.70
2003-08-01	14.73
2003-09-01	14.84
2003-10-01	14.90
2003-11-01	14.98
2003-12-01	15.03
2004-01-01	14.81
2004-02-01	14.80
2004-03-01	14.96
2004-04-01	15.07
2004-05-01	15.18
2004-06-01	15.15
2004-07-01	15.04
2004-08-01	15.22
2004-09-01	15.27
2004-10-01	15.56
2004-11-01	15.80
2004-12-01	15.89
2005-01-01	15.78
2005-02-01	15.69
2005-03-01	16.03
2005-04-01	16.16
2005-05-01	15.85
2005-06-01	15.83
2005-07-01	15.88
2005-08-01	15.88
2005-09-01	16.01
2005-10-01	15.99
2005-11-01	16.02
2005-12-01	15.68
2006-01-01	15.98
2006-02-01	15.96
2006-03-01	15.96
2006-04-01	16.15
2006-05-01	16.29
2006-06-01	16.44
2006-07-01	16.71
2006-08-01	16.53
2006-09-01	16.74
2006-10-01	16.86
2006-11-01	16.91
2006-12-01	16.87
2007-01-01	17.10
2007-02-01	17.09
2007-03-01	17.07
2007-04-01	17.15
2007-05-01	17.05
2007-06-01	17.30
2007-07-01	17.23
2007-08-01	17.35
2007-09-01	17.30
2007-10-01	17.18
2007-11-01	17.25
2007-12-01	17.28
2008-01-01	17.17
2008-02-01	17.52
2008-03-01	17.92
2008-04-01	17.95
2008-05-01	17.63
2008-06-01	17.53
2008-07-01	17.21
2008-08-01	17.43
2008-09-01	17.38
2008-10-01	17.32
2008-11-01	17.59
2008-12-01	17.80
2009-01-01	17.64
2009-02-01	17.38
2009-03-01	17.97
2009-04-01	18.03
2009-05-01	18.07
2009-06-01	18.30
2009-07-01	18.90
2009-08-01	18.47
2009-09-01	18.35
2009-10-01	18.25
2009-11-01	17.92
2009-12-01	17.76
2010-01-01	17.67
2010-02-01	17.50
2010-03-01	17.45
2010-04-01	17.34
2010-05-01	17.38
2010-06-01	17.65
2010-07-01	17.71
2010-08-01	17.68
2010-09-01	17.88
2010-10-01	17.84
2010-11-01	17.97
2010-12-01	17.21
2011-01-01	17.40
2011-02-01	17.70
2011-03-01	17.68
2011-04-01	18.19
2011-05-01	18.30
2011-06-01	18.29
2011-07-01	18.43
2011-08-01	18.44
2011-09-01	18.18
2011-10-01	17.91
2011-11-01	17.76
2011-12-01	17.74
2012-01-01	18.15
2012-02-01	18.25
2012-03-01	18.69
2012-04-01	19.62
2012-05-01	18.71
2012-06-01	18.65
2012-07-01	18.11
2012-08-01	17.48
2012-09-01	17.88
2012-10-01	18.16
2012-11-01	18.76
2012-12-01	18.63
2013-01-01	18.34
2013-02-01	18.08
2013-03-01	18.30
2013-04-01	18.63
2013-05-01	18.31
2013-06-01	18.96
2013-07-01	19.23
2013-08-01	18.75
2013-09-01	18.98
2013-10-01	19.79
2013-11-01	20.24
2013-12-01	19.88
2014-01-01	19.53
2014-02-01	20.26
2014-03-01	19.76
2014-04-01	20.74
2014-05-01	19.80
2014-06-01	19.73
2014-07-01	20.68
2014-08-01	20.42
2014-09-01	20.44
2014-10-01	19.51
2014-11-01	20.26
2014-12-01	19.69
2015-01-01	19.89
2015-02-01	20.31
2015-03-01	20.25
2015-04-01	21.30
2015-05-01	21.08
2015-06-01	21.27
2015-07-01	21.42
2015-08-01	20.83
2015-09-01	21.06
2015-10-01	21.30
2015-11-01	21.80
2015-12-01	21.03
2016-01-01	20.06
2016-02-01	20.79
2016-03-01	20.62
2016-04-01	20.94
2016-05-01	20.63
2016-06-01	20.42
2016-07-01	20.45
2016-08-01	20.64
2016-09-01	20.57
2016-10-01	21.19
2016-11-01	20.49
2016-12-01	20.04
2017-01-01	19.90
2017-02-01	19.83
2017-03-01	19.88
2017-04-01	20.15
2017-05-01	20.44
2017-06-01	20.59
2017-07-01	21.05
2017-08-01	20.66
2017-09-01	20.87
2017-10-01	21.15
2017-11-01	20.83
2017-12-01	20.83