Year	Percent
2005-01-01	44.200
2006-01-01	44.225
2007-01-01	44.175
2008-01-01	44.275
2009-01-01	43.600
2010-01-01	42.925
2011-01-01	42.575
2012-01-01	42.425
2013-01-01	42.125
2014-01-01	41.675
2015-01-01	41.575
2016-01-01	41.600
2017-01-01	41.650