Year	Percent
2006-01-01	8.950
2007-01-01	9.075
2008-01-01	9.950
2009-01-01	12.850
2010-01-01	10.925
2011-01-01	9.000
2012-01-01	8.375
2013-01-01	8.925
2014-01-01	10.075
2015-01-01	10.450
2016-01-01	11.050
2017-01-01	11.075