Year	Percent
2003-01-01	2.675
2004-01-01	2.850
2005-01-01	3.475
2006-01-01	3.850
2007-01-01	3.925
2008-01-01	5.075
2009-01-01	6.275
2010-01-01	7.200
2011-01-01	8.275
2012-01-01	8.025
2013-01-01	7.450
2014-01-01	6.000
2015-01-01	5.550
2016-01-01	4.475
2017-01-01	4.275