Year	Percent
2006-01-01	7.225
2007-01-01	7.300
2008-01-01	8.150
2009-01-01	10.975
2010-01-01	9.950
2011-01-01	8.750
2012-01-01	8.275
2013-01-01	9.375
2014-01-01	10.900
2015-01-01	11.300
2016-01-01	12.425
2017-01-01	12.400