Year	Percent
1996-01-01	1.1066799999999999
1997-01-01	1.1066799999999999
1998-01-01	1.1066799999999999
1999-01-01	1.1066799999999999
2000-01-01	0.4401300000000000
2001-01-01	0.8344860000000001
2002-01-01	1.3910600000000000
2003-01-01	1.7693800000000000
2004-01-01	2.3497400000000000
2005-01-01	1.5844000000000000
2006-01-01	1.7162900000000000
2007-01-01	1.6849900000000002
2008-01-01	1.1341200000000000
2009-01-01	1.8993000000000000
2010-01-01	2.2620400000000003
2011-01-01	2.2671400000000000
2012-01-01	2.3107800000000000
2013-01-01	2.1279900000000000
2014-01-01	2.1559600000000000
2015-01-01	1.7518500000000000
2016-01-01	1.7178200000000001