Year	Percent
1995-01-01	22.9061000000000000
1996-01-01	24.0357000000000000
1997-01-01	22.4401000000000000
1998-01-01	23.1631000000000000
1999-01-01	19.3645000000000000
2000-01-01	17.0419000000000000
2001-01-01	18.4936000000000000
2002-01-01	15.5196000000000000
2003-01-01	13.2229999999999990
2004-01-01	14.6772000000000000
2005-01-01	15.4871000000000000
2006-01-01	22.1688000000000000
2007-01-01	14.5014000000000000
2008-01-01	6.9579600000000010
2009-01-01	9.0969500000000000
2010-01-01	6.2079500000000000
2011-01-01	2.5206500000000000
2012-01-01	1.9408400000000001
2013-01-01	2.6637200000000000
2014-01-01	3.4503500000000000
2015-01-01	3.4421500000000000
2016-01-01	2.4241200000000003