Year	Percent
2006-01-01	20.9000
2007-01-01	16.5000
2008-01-01	24.4000
2009-01-01	22.0000
2010-01-01	18.9027
2011-01-01	19.2639
2012-01-01	20.4935
2013-01-01	19.2821
2014-01-01	13.8224
2015-01-01	12.8676