Year	Percent
2005-01-01	12.975
2006-01-01	12.975
2007-01-01	11.200
2008-01-01	8.925
2009-01-01	8.025
2010-01-01	7.150
2011-01-01	6.325
2012-01-01	5.525
2013-01-01	5.225
2014-01-01	4.675
2015-01-01	4.150
2016-01-01	3.575
2017-01-01	3.075