Year	Percent
2005-01-01	42.675
2006-01-01	41.600
2007-01-01	41.100
2008-01-01	40.925
2009-01-01	40.400
2010-01-01	39.875
2011-01-01	38.575
2012-01-01	38.325
2013-01-01	37.400
2014-01-01	36.825
2015-01-01	36.600
2016-01-01	35.550
2017-01-01	35.100