Year	Percent
1996-01-01	100.000000000000000
1997-01-01	94.930100000000000
1998-01-01	96.465300000000000
1999-01-01	74.605100000000000
2000-01-01	69.466600000000000
2001-01-01	71.534200000000000
2002-01-01	77.116400000000000
2003-01-01	75.517000000000000
2004-01-01	57.398400000000000
2005-01-01	54.741100000000000
2006-01-01	51.946900000000000
2007-01-01	57.038999999999994
2008-01-01	59.994300000000000
2009-01-01	56.987700000000000
2010-01-01	60.357200000000000
2011-01-01	60.772200000000000
2012-01-01	71.682900000000000
2013-01-01	75.676300000000000
2014-01-01	83.218600000000000
2015-01-01	58.151600000000000
2016-01-01	60.894700000000000