Year	Percent
1996-01-01	82.26730000000000
1997-01-01	88.11740000000000
1998-01-01	84.35120000000000
1999-01-01	91.85010000000000
2000-01-01	91.21220000000000
2001-01-01	91.97910000000000
2002-01-01	100.00000000000000
2003-01-01	100.00000000000000
2004-01-01	100.00000000000000
2005-01-01	82.43230000000000
2006-01-01	80.99780000000000
2007-01-01	83.29810000000000
2008-01-01	90.70210000000000
2009-01-01	90.75399999999999
2010-01-01	87.23780000000000
2011-01-01	84.11860000000000
2012-01-01	87.80970000000000
2013-01-01	91.49520000000000
2014-01-01	91.76050000000000
2015-01-01	86.42680000000000
2016-01-01	86.28510000000000