Year	Percent
2005-01-01	6.600
2006-01-01	6.225
2007-01-01	5.475
2008-01-01	5.075
2009-01-01	6.475
2010-01-01	7.250
2011-01-01	7.275
2012-01-01	7.775
2013-01-01	8.250
2014-01-01	7.950
2015-01-01	7.525
2016-01-01	6.950
2017-01-01	6.125