Year	Percent
2003-01-01	10.375
2004-01-01	11.475
2005-01-01	10.725
2006-01-01	9.500
2007-01-01	8.850
2008-01-01	9.725
2009-01-01	12.250
2010-01-01	12.450
2011-01-01	12.750
2012-01-01	12.925
2013-01-01	11.775
2014-01-01	10.000
2015-01-01	9.150
2016-01-01	7.725
2017-01-01	8.700