Year	Percent
2005-01-01	43.200
2006-01-01	46.325
2007-01-01	48.875
2008-01-01	50.525
2009-01-01	52.875
2010-01-01	54.600
2011-01-01	56.775
2012-01-01	58.150
2013-01-01	60.800
2014-01-01	62.900
2015-01-01	63.825
2016-01-01	65.900
2017-01-01	67.450
