Year	Percent
1996-01-01	62.4958
1997-01-01	69.7193
1998-01-01	74.8283
1999-01-01	81.3133
2000-01-01	83.4803
2001-01-01	90.0473
2002-01-01	100.0000
2003-01-01	100.0000
2004-01-01	100.0000
2005-01-01	89.8593
2006-01-01	84.0819
2007-01-01	83.6222
2008-01-01	85.8558
2009-01-01	89.0487
2010-01-01	89.5982
2011-01-01	90.2329
2012-01-01	93.3779
2013-01-01	93.1155
2014-01-01	93.2369
2015-01-01	93.5061
2016-01-01	93.3749