Year	Percent
2003-01-01	58.4615
2004-01-01	60.9023
2005-01-01	40.8578
2006-01-01	54.4554
2007-01-01	57.3368
2008-01-01	27.3166
2009-01-01	32.8887
2010-01-01	30.5045
2011-01-01	23.6567
2012-01-01	27.3885
2013-01-01	20.3246
2014-01-01	32.0747
2015-01-01	26.1989
2016-01-01	52.6357
