Year	Percent
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	97.6725
2008-01-01	96.6577
2009-01-01	95.5181
2010-01-01	95.4596
2011-01-01	93.0312
2012-01-01	93.7549
2013-01-01	94.1020
2014-01-01	96.0960
2015-01-01	99.9702
2016-01-01	99.9758