Year	Percent
2005-01-01	7.125
2006-01-01	6.475
2007-01-01	5.575
2008-01-01	5.575
2009-01-01	7.775
2010-01-01	8.450
2011-01-01	8.400
2012-01-01	9.275
2013-01-01	9.725
2014-01-01	9.150
2015-01-01	8.400
2016-01-01	7.500
2017-01-01	6.625