Year	Percent
1996-01-01	99.6049
1997-01-01	99.4464
1998-01-01	99.4982
1999-01-01	100.0000
2000-01-01	100.0000
2001-01-01	100.0000
2002-01-01	100.0000
2003-01-01	100.0000
2004-01-01	100.0000
2005-01-01	100.0000
2006-01-01	100.0000
2007-01-01	100.0000
2008-01-01	100.0000
2009-01-01	100.0000
2010-01-01	100.0000
2011-01-01	100.0000
2012-01-01	100.0000
2013-01-01	100.0000
2014-01-01	100.0000
2015-01-01	99.7005
2016-01-01	99.6923