Year	Percent
1995-01-01	15.4013000000000000
1996-01-01	4.5134500000000000
1997-01-01	4.9207300000000010
1998-01-01	8.9722500000000000
1999-01-01	25.2376000000000000
2000-01-01	9.2540300000000000
2001-01-01	2.9275900000000004
2002-01-01	3.9288100000000000
2003-01-01	2.9960800000000000
2004-01-01	4.1575500000000000
2005-01-01	4.0677400000000010
2006-01-01	6.2730400000000000
2007-01-01	1.8064700000000000
2008-01-01	1.4155400000000000
2009-01-01	0.9807410000000000
2010-01-01	1.2052600000000000
2011-01-01	1.2469400000000000
2012-01-01	1.3011700000000002
2013-01-01	1.6975500000000000
2014-01-01	1.5750000000000000
2015-01-01	2.4000500000000000
2016-01-01	1.6902099999999998
2017-01-01	2.1942300000000000