Year	Percent
2005-01-01	14.050
2006-01-01	12.575
2007-01-01	11.075
2008-01-01	10.000
2009-01-01	9.800
2010-01-01	8.800
2011-01-01	7.775
2012-01-01	7.300
2013-01-01	7.075
2014-01-01	7.050
2015-01-01	6.500
2016-01-01	6.100
2017-01-01	5.775