Year	Percent
1996-01-01	0.9747330000000000
1997-01-01	0.8330790000000001
1998-01-01	0.8007670000000000
1999-01-01	0.8007670000000000
2000-01-01	0.8007670000000000
2001-01-01	0.8007670000000000
2002-01-01	0.8007670000000000
2003-01-01	0.8007670000000000
2004-01-01	0.8007670000000000
2005-01-01	4.4092600000000000
2006-01-01	9.6338700000000000
2007-01-01	18.9521000000000000
2008-01-01	18.4749000000000000
2009-01-01	28.3497000000000000
2010-01-01	33.7504000000000000
2011-01-01	35.0006000000000000
2012-01-01	33.0498000000000000
2013-01-01	45.4511000000000000
2014-01-01	45.4455000000000000
2015-01-01	44.9488000000000000
2016-01-01	44.7729000000000000