Year	Percent
2005-01-01	10.175
2006-01-01	9.475
2007-01-01	8.125
2008-01-01	7.175
2009-01-01	6.900
2010-01-01	6.125
2011-01-01	5.175
2012-01-01	4.900
2013-01-01	4.625
2014-01-01	4.375
2015-01-01	4.025
2016-01-01	3.550
2017-01-01	3.125