Year	Percent
2005-01-01	10.575
2006-01-01	9.525
2007-01-01	7.850
2008-01-01	6.850
2009-01-01	7.650
2010-01-01	6.925
2011-01-01	5.600
2012-01-01	5.100
2013-01-01	5.075
2014-01-01	4.950
2015-01-01	4.675
2016-01-01	4.225
2017-01-01	3.900