Year	Percent
1996-01-01	9.3404899999999990
1997-01-01	6.0823000000000000
1998-01-01	6.6450300000000000
1999-01-01	2.7171300000000000
2000-01-01	13.1600000000000000
2001-01-01	7.6005300000000000
2002-01-01	2.9443799999999998
2003-01-01	7.4712700000000000
2004-01-01	7.5196200000000000
2005-01-01	7.2351100000000010
2006-01-01	11.8218000000000000
2007-01-01	12.7405000000000000
2008-01-01	8.4024800000000000
2009-01-01	7.3667899999999990
2010-01-01	5.5225900000000000
2011-01-01	2.0102400000000000
2012-01-01	5.3337400000000000
2013-01-01	5.4351699999999990
2014-01-01	1.0255200000000000
2015-01-01	4.2323200000000000
2016-01-01	0.6007080000000000