Year	Percent
2005-01-01	41.900
2006-01-01	43.525
2007-01-01	45.425
2008-01-01	46.650
2009-01-01	45.975
2010-01-01	46.250
2011-01-01	47.925
2012-01-01	46.600
2013-01-01	46.875
2014-01-01	46.050
2015-01-01	45.300
2016-01-01	45.775
2017-01-01	46.500