Year	Percent
1996-01-01	100.0000
1997-01-01	100.0000
1998-01-01	100.0000
1999-01-01	100.0000
2000-01-01	90.7733
2001-01-01	99.3110
2002-01-01	99.2256
2003-01-01	100.0000
2004-01-01	100.0000
2005-01-01	100.0000
2006-01-01	100.0000
2007-01-01	93.2142
2008-01-01	90.2802
2009-01-01	88.0043
2010-01-01	89.0876
2011-01-01	85.9841
2012-01-01	80.3184
2013-01-01	79.2656
2014-01-01	76.2570
2015-01-01	77.3284
2016-01-01	77.3750