Year	Percent
1998-01-01	100.0000
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	97.7829
2011-01-01	82.2324
2012-01-01	81.0955
2013-01-01	79.9338
2014-01-01	87.2117
2015-01-01	92.2078
2016-01-01	97.2753