Year	Percent
1994-01-01	2.2899100000000000
1995-01-01	1.0377000000000000
1996-01-01	25.6628000000000000
1997-01-01	43.4843000000000000
1998-01-01	50.6574000000000000
1999-01-01	60.4364000000000000
2000-01-01	51.2993000000000000
2001-01-01	35.4904000000000000
2002-01-01	23.7048000000000000
2003-01-01	14.2559000000000000
2004-01-01	11.6511000000000000
2005-01-01	5.5254800000000000
2006-01-01	4.0982600000000000
2007-01-01	2.9061000000000000
2008-01-01	1.5787100000000000
2009-01-01	1.2070600000000000
2010-01-01	0.5977910000000000
2011-01-01	0.9099200000000001
2012-01-01	0.9043290000000000
2013-01-01	0.5301810000000000
2014-01-01	0.2457940000000000
2015-01-01	0.6412750000000000