Year	Percent
2003-01-01	9.550
2004-01-01	10.975
2005-01-01	10.850
2006-01-01	10.025
2007-01-01	10.325
2008-01-01	10.950
2009-01-01	11.575
2010-01-01	11.475
2011-01-01	11.625
2012-01-01	11.475
2013-01-01	11.100
2014-01-01	9.725
2015-01-01	8.775
2016-01-01	7.850
2017-01-01	8.475