Year	Percent
2006-01-01	9.175
2007-01-01	9.225
2008-01-01	10.075
2009-01-01	12.675
2010-01-01	11.450
2011-01-01	10.125
2012-01-01	9.450
2013-01-01	10.600
2014-01-01	11.825
2015-01-01	12.650
2016-01-01	13.625
2017-01-01	13.950