Year	Percent
2003-01-01	45.675
2004-01-01	45.625
2005-01-01	45.775
2006-01-01	45.925
2007-01-01	46.750
2008-01-01	47.300
2009-01-01	46.925
2010-01-01	46.775
2011-01-01	46.650
2012-01-01	46.700
2013-01-01	46.675
2014-01-01	46.450
2015-01-01	46.500
2016-01-01	46.525
2017-01-01	46.600