Year	Percent
1996-01-01	0.0000000000000000
1997-01-01	2.0618600000000000
1998-01-01	2.0833300000000000
1999-01-01	2.0000000000000000
2000-01-01	1.9802000000000000
2001-01-01	1.8691600000000000
2002-01-01	0.0000000000000000
2003-01-01	0.0000000000000000
2004-01-01	1.2345700000000002
2005-01-01	1.2500000000000000
2006-01-01	1.2578600000000000
2007-01-01	1.2903200000000001
2008-01-01	1.2269900000000000
2009-01-01	1.1695900000000000
2010-01-01	2.2471900000000002
2011-01-01	2.1978000000000000
2012-01-01	2.0725400000000000
2013-01-01	0.9259260000000000
2014-01-01	0.8474580000000000
2015-01-01	1.0272400000000000
2016-01-01	1.3582000000000000