Year	Percent
2005-01-01	11.613600000000000
2006-01-01	11.036900000000000
2007-01-01	10.380999999999998
2008-01-01	10.283200000000000
2009-01-01	7.741660000000000
2010-01-01	8.212120000000000
2011-01-01	8.161120000000000
2012-01-01	7.817470000000000
2013-01-01	7.908010000000001
2014-01-01	7.669310000000000
2015-01-01	8.101820000000000
2016-01-01	7.953630000000000
2017-01-01	7.909700000000000