Year	Percent
1996-01-01	84.65880000000000
1997-01-01	85.09100000000001
1998-01-01	90.71770000000000
1999-01-01	88.25880000000000
2000-01-01	89.39460000000000
2001-01-01	85.59710000000000
2002-01-01	89.11330000000000
2003-01-01	94.76090000000000
2004-01-01	95.28710000000000
2005-01-01	95.76140000000000
2006-01-01	95.90890000000000
2007-01-01	96.38140000000000
2008-01-01	95.36490000000000
2009-01-01	93.16270000000000
2010-01-01	91.67170000000000
2011-01-01	92.20940000000000
2012-01-01	91.20590000000000
2013-01-01	90.63050000000000
2014-01-01	90.86540000000000
2015-01-01	85.02140000000000
2016-01-01	85.90330000000000