Year	Percent
1995-01-01	13.7635000000000000
1996-01-01	9.8023800000000000
1997-01-01	17.6616000000000000
1998-01-01	18.4119000000000000
1999-01-01	18.1949000000000000
2000-01-01	21.3839000000000000
2001-01-01	18.3949000000000000
2002-01-01	20.4967000000000000
2003-01-01	18.4485000000000000
2004-01-01	16.0694000000000000
2005-01-01	12.8709000000000000
2006-01-01	10.0986000000000000
2007-01-01	8.9957900000000000
2008-01-01	5.8399199999999990
2009-01-01	4.9612600000000000
2010-01-01	5.0037100000000000
2011-01-01	3.2083000000000000
2012-01-01	3.3355900000000003
2013-01-01	3.5241400000000000
2014-01-01	3.5241400000000000
2015-01-01	2.4259100000000000
2016-01-01	2.3279300000000000