Year	Percent
2003-01-01	14.675
2004-01-01	15.375
2005-01-01	14.475
2006-01-01	13.125
2007-01-01	12.775
2008-01-01	13.550
2009-01-01	15.925
2010-01-01	16.050
2011-01-01	16.825
2012-01-01	17.375
2013-01-01	16.325
2014-01-01	14.375
2015-01-01	13.725
2016-01-01	12.275
2017-01-01	13.300