Year	Percent
2005-01-01	26.600
2006-01-01	26.100
2007-01-01	25.800
2008-01-01	25.200
2009-01-01	25.100
2010-01-01	26.400
2011-01-01	25.825
2012-01-01	25.725
2013-01-01	25.675
2014-01-01	25.225
2015-01-01	24.975
2016-01-01	24.425
2017-01-01	24.400