Year	Percent
2003-01-01	3.125
2004-01-01	2.950
2005-01-01	2.550
2006-01-01	3.000
2007-01-01	2.300
2008-01-01	2.625
2009-01-01	5.775
2010-01-01	6.825
2011-01-01	6.225
2012-01-01	5.775
2013-01-01	5.225
2014-01-01	4.900
2015-01-01	4.175
2016-01-01	3.150
2017-01-01	2.800