Year	Percent
2003-01-01	2.425
2004-01-01	1.850
2005-01-01	1.625
2006-01-01	1.725
2007-01-01	1.300
2008-01-01	1.900
2009-01-01	6.125
2010-01-01	6.350
2011-01-01	5.650
2012-01-01	4.575
2013-01-01	4.650
2014-01-01	4.325
2015-01-01	3.150
2016-01-01	2.475
2017-01-01	1.850