Year	Percent
2000-01-01	43.425
2001-01-01	43.550
2002-01-01	44.550
2003-01-01	45.275
2004-01-01	45.300
2005-01-01	45.075
2006-01-01	46.025
2007-01-01	46.275
2008-01-01	45.775
2009-01-01	45.075
2010-01-01	44.675
2011-01-01	44.475
2012-01-01	44.150
2013-01-01	44.075
2014-01-01	43.750
2015-01-01	43.825
2016-01-01	43.775
2017-01-01	43.550
