Year	Percent
2005-01-01	8.225
2006-01-01	7.500
2007-01-01	6.650
2008-01-01	6.925
2009-01-01	9.525
2010-01-01	10.100
2011-01-01	10.100
2012-01-01	11.375
2013-01-01	12.025
2014-01-01	11.675
2015-01-01	10.875
2016-01-01	9.875
2017-01-01	8.875