Year	Percent
2004-01-01	0.40501200000000000
2005-01-01	0.41300000000000000
2006-01-01	0.00035200000000000
2007-01-01	0.33697400000000000
2008-01-01	0.29451700000000003
2009-01-01	0.35009300000000000
2010-01-01	0.34738500000000000
2011-01-01	0.30025100000000005
2012-01-01	0.48285900000000004
2013-01-01	0.49153700000000000
2014-01-01	0.37555500000000000
2015-01-01	0.18082500000000000
2016-01-01	0.19830300000000000