Year	Percent
2000-01-01	35.250
2001-01-01	39.525
2002-01-01	42.525
2003-01-01	41.875
2004-01-01	39.525
2005-01-01	36.900
2006-01-01	29.800
2007-01-01	21.650
2008-01-01	17.300
2009-01-01	20.650
2010-01-01	23.675
2011-01-01	25.775
2012-01-01	26.500
2013-01-01	27.275
2014-01-01	23.850
2015-01-01	20.750
2016-01-01	17.625
2017-01-01	14.800