Year	Percent
1996-01-01	15.434900000000000
1997-01-01	14.164900000000000
1998-01-01	14.022800000000000
1999-01-01	10.088100000000000
2000-01-01	11.029900000000000
2001-01-01	11.378400000000000
2002-01-01	9.529420000000000
2003-01-01	8.979150000000000
2004-01-01	10.747800000000000
2005-01-01	14.891600000000000
2006-01-01	12.036700000000000
2007-01-01	10.770999999999999
2008-01-01	10.599800000000000
2009-01-01	7.804539999999999
2010-01-01	6.434970000000000
2011-01-01	8.064639999999999
2012-01-01	7.292180000000000
2013-01-01	9.434770000000000
2014-01-01	7.930270000000000
2015-01-01	8.105580000000000
2016-01-01	7.701660000000000