Year	Percent
2003-01-01	8.125
2004-01-01	8.475
2005-01-01	8.550
2006-01-01	8.500
2007-01-01	7.700
2008-01-01	7.075
2009-01-01	8.750
2010-01-01	8.925
2011-01-01	8.875
2012-01-01	9.450
2013-01-01	9.975
2014-01-01	10.350
2015-01-01	10.450
2016-01-01	10.150
2017-01-01	9.475