Year	Percent
1996-01-01	89.20390000000000
1997-01-01	90.11399999999999
1998-01-01	89.99810000000000
1999-01-01	89.99650000000000
2000-01-01	97.23200000000001
2001-01-01	99.97000000000000
2002-01-01	100.00000000000000
2003-01-01	100.00000000000000
2004-01-01	98.62740000000000
2005-01-01	98.22200000000001
2006-01-01	98.41790000000000
2007-01-01	97.66610000000000
2008-01-01	94.23540000000000
2009-01-01	93.70640000000000
2010-01-01	94.70280000000000
2011-01-01	95.39740000000000
2012-01-01	94.09660000000000
2013-01-01	92.05190000000000
2014-01-01	91.69690000000000
2015-01-01	91.24850000000000
2016-01-01	69.65780000000000