Year	Percent
2005-01-01	62.075
2006-01-01	62.550
2007-01-01	62.725
2008-01-01	63.100
2009-01-01	63.175
2010-01-01	63.275
2011-01-01	63.350
2012-01-01	63.750
2013-01-01	63.875
2014-01-01	64.075
2015-01-01	64.125
2016-01-01	64.400
2017-01-01	64.625