Year	Percent
2000-01-01	10.425
2001-01-01	10.650
2002-01-01	11.200
2003-01-01	10.950
2004-01-01	11.350
2005-01-01	11.475
2006-01-01	8.725
2007-01-01	7.425
2008-01-01	7.500
2009-01-01	9.175
2010-01-01	9.250
2011-01-01	8.675
2012-01-01	8.450
2013-01-01	9.125
2014-01-01	7.850
2015-01-01	9.875
2016-01-01	11.125
2017-01-01	10.350