Year	Percent
2005-01-01	10.900
2006-01-01	10.175
2007-01-01	8.825
2008-01-01	7.675
2009-01-01	7.325
2010-01-01	6.525
2011-01-01	5.600
2012-01-01	5.175
2013-01-01	4.925
2014-01-01	4.625
2015-01-01	4.250
2016-01-01	3.750
2017-01-01	3.325
