Year	Percent
2000-01-01	10.475
2001-01-01	11.300
2002-01-01	12.625
2003-01-01	12.075
2004-01-01	12.875
2005-01-01	12.200
2006-01-01	8.875
2007-01-01	8.250
2008-01-01	8.375
2009-01-01	10.500
2010-01-01	10.975
2011-01-01	9.625
2012-01-01	9.950
2013-01-01	10.725
2014-01-01	9.100
2015-01-01	11.125
2016-01-01	12.975
2017-01-01	11.675