Year	Percent
2005-01-01	47.725
2006-01-01	47.625
2007-01-01	47.575
2008-01-01	47.750
2009-01-01	46.725
2010-01-01	46.075
2011-01-01	45.525
2012-01-01	45.275
2013-01-01	44.875
2014-01-01	44.375
2015-01-01	44.175
2016-01-01	44.050
2017-01-01	44.050