Year	Percent
1998-01-01	100.0000
1999-01-01	100.0000
2000-01-01	100.0000
2001-01-01	90.3500
2002-01-01	87.6235
2003-01-01	87.6236
2004-01-01	93.4951
2005-01-01	91.4383
2006-01-01	90.1831
2007-01-01	89.3123
2008-01-01	93.1894
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	100.0000
2016-01-01	100.0000