Year	Percent
2003-01-01	36.025
2004-01-01	35.750
2005-01-01	35.575
2006-01-01	35.500
2007-01-01	35.100
2008-01-01	34.825
2009-01-01	34.300
2010-01-01	34.200
2011-01-01	34.275
2012-01-01	33.675
2013-01-01	33.050
2014-01-01	32.900
2015-01-01	32.675
2016-01-01	32.375
2017-01-01	32.425