Year	Percent
2007-01-01	100.0000
2008-01-01	97.5161
2009-01-01	97.5161
2010-01-01	99.9948
2011-01-01	94.7584
2012-01-01	83.2884
2013-01-01	81.4640
2014-01-01	80.1521
2015-01-01	70.6471
2016-01-01	55.9961