Year	Percent
2004-01-01	15.4872000000000000
2005-01-01	14.6898000000000000
2006-01-01	10.3181000000000000
2007-01-01	8.0216300000000000
2008-01-01	6.9355800000000000
2009-01-01	4.2526500000000000
2010-01-01	7.4113899999999990
2011-01-01	6.3884900000000000
2012-01-01	6.1494900000000000
2013-01-01	4.4353500000000000
2014-01-01	3.1577599999999997
2015-01-01	9.9393500000000000
2016-01-01	3.9162100000000000