Year	Percent
2000-01-01	23.875
2001-01-01	22.275
2002-01-01	17.850
2003-01-01	20.700
2004-01-01	23.800
2005-01-01	15.025
2006-01-01	12.150
2008-01-01	11.750
2009-01-01	27.400
2010-01-01	32.800
2011-01-01	22.375
2012-01-01	20.800
2013-01-01	18.750
2014-01-01	14.975
2015-01-01	13.200
2016-01-01	13.475
2017-01-01	12.150