Year	Percent
1999-01-01	95.87650000000000
2000-01-01	93.17260000000000
2001-01-01	70.36950000000000
2002-01-01	94.17480000000000
2003-01-01	73.26350000000000
2004-01-01	87.25610000000000
2005-01-01	85.35520000000000
2006-01-01	87.66650000000000
2007-01-01	87.07840000000000
2008-01-01	85.98899999999999
2009-01-01	89.54440000000000
2010-01-01	76.62190000000000
2011-01-01	86.29030000000000
2012-01-01	83.23200000000001
2013-01-01	86.78860000000000
2014-01-01	88.47710000000000
2015-01-01	82.61560000000000
2016-01-01	100.00000000000000