Year	Percent
2005-01-01	11.300
2006-01-01	10.375
2007-01-01	8.775
2008-01-01	7.625
2009-01-01	7.875
2010-01-01	7.050
2011-01-01	5.925
2012-01-01	5.475
2013-01-01	5.325
2014-01-01	5.075
2015-01-01	4.750
2016-01-01	4.200
2017-01-01	3.850