Year	Percent
2006-01-01	42.575
2007-01-01	42.475
2008-01-01	41.750
2009-01-01	40.575
2010-01-01	38.925
2011-01-01	37.700
2012-01-01	37.175
2013-01-01	36.025
2014-01-01	35.575
2015-01-01	34.550
2016-01-01	33.525
2017-01-01	32.475