Year	Percent
2005-01-01	7.050
2006-01-01	6.450
2007-01-01	5.750
2008-01-01	5.975
2009-01-01	8.400
2010-01-01	9.025
2011-01-01	9.075
2012-01-01	10.325
2013-01-01	11.025
2014-01-01	10.675
2015-01-01	9.850
2016-01-01	8.925
2017-01-01	8.000