Year	Percent
1996-01-01	74.23800000000000
1997-01-01	71.32080000000000
1998-01-01	98.67930000000000
1999-01-01	98.69020000000000
2000-01-01	97.50700000000000
2001-01-01	97.72840000000000
2002-01-01	97.62120000000000
2003-01-01	97.55190000000000
2004-01-01	95.05970000000000
2005-01-01	94.23720000000000
2006-01-01	98.48920000000000
2007-01-01	93.21240000000000
2008-01-01	93.37790000000000
2009-01-01	98.86720000000000
2010-01-01	97.73899999999999
2011-01-01	95.41880000000000
2012-01-01	93.93160000000000
2013-01-01	93.45250000000000
2014-01-01	93.14160000000000
2015-01-01	92.23510000000000
2016-01-01	75.12260000000000