Year	Percent
2001-01-01	4.250
2002-01-01	3.850
2003-01-01	3.750
2004-01-01	4.000
2005-01-01	3.450
2006-01-01	3.825
2007-01-01	3.500
2008-01-01	3.425
2009-01-01	4.600
2010-01-01	4.825
2011-01-01	4.475
2012-01-01	4.600
2013-01-01	4.225
2014-01-01	4.550
2015-01-01	4.575
2016-01-01	4.375
2017-01-01	4.375