Year	Percent
2000-01-01	13.525
2001-01-01	12.325
2002-01-01	10.375
2003-01-01	10.175
2004-01-01	9.400
2005-01-01	7.125
2006-01-01	5.775
2007-01-01	3.925
2008-01-01	5.200
2009-01-01	10.400
2010-01-01	14.475
2011-01-01	11.900
2012-01-01	9.325
2013-01-01	8.500
2014-01-01	7.000
2015-01-01	6.250
2016-01-01	6.300
2017-01-01	5.500