Year	Percent
2006-01-01	8.825
2007-01-01	8.975
2008-01-01	9.800
2009-01-01	12.825
2010-01-01	10.625
2011-01-01	8.450
2012-01-01	7.800
2013-01-01	8.125
2014-01-01	9.200
2015-01-01	9.350
2016-01-01	9.725
2017-01-01	9.575