Year	Percent
2005-01-01	38.250
2006-01-01	37.400
2007-01-01	36.775
2008-01-01	36.125
2009-01-01	35.650
2010-01-01	35.350
2011-01-01	34.925
2012-01-01	34.150
2013-01-01	33.675
2014-01-01	33.350
2015-01-01	33.150
2016-01-01	32.575
2017-01-01	32.300