Year	Percent
1995-01-01	2.3370599999999997
1996-01-01	2.1707600000000000
1997-01-01	8.7509300000000000
1998-01-01	10.8709999999999990
1999-01-01	12.3198000000000000
2000-01-01	13.3563000000000000
2001-01-01	15.2078000000000000
2002-01-01	19.3631000000000000
2003-01-01	23.0988000000000000
2004-01-01	25.2947000000000000
2005-01-01	24.2725000000000000
2006-01-01	29.2027000000000000
2007-01-01	46.7523000000000000
2008-01-01	39.1366000000000000
2009-01-01	23.3018000000000000
2010-01-01	21.9759000000000000
2011-01-01	15.8893000000000000
2012-01-01	13.3509000000000000
2013-01-01	14.4460000000000000
2014-01-01	14.7285000000000000
2015-01-01	14.3054000000000000
2016-01-01	12.6115000000000000
2017-01-01	11.9948000000000000