Year	Percent
1995-01-01	7.7365000000000000
1996-01-01	10.6903000000000000
1997-01-01	12.1250000000000000
1998-01-01	13.3132000000000000
1999-01-01	11.3750000000000000
2000-01-01	9.0697500000000000
2001-01-01	8.4167100000000000
2002-01-01	7.4590100000000000
2003-01-01	7.7856200000000000
2004-01-01	12.3653000000000000
2005-01-01	12.2323000000000000
2006-01-01	13.7835000000000000
2007-01-01	3.8931800000000000
2008-01-01	2.8493300000000000
2009-01-01	2.1123800000000000
2010-01-01	1.6907900000000002
2011-01-01	1.3161100000000001
2012-01-01	1.1288300000000000
2013-01-01	2.7925600000000000
2014-01-01	2.3266600000000000
2015-01-01	3.0236200000000000
2016-01-01	3.0720700000000000