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	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	98.8026
2006-01-01	100.0000
2007-01-01	100.0000
2008-01-01	100.0000
2009-01-01	99.3352
2010-01-01	99.3390
2011-01-01	99.3788
2012-01-01	99.2307
2013-01-01	99.0934
2014-01-01	100.0000
2015-01-01	98.4425