Year	Percent
1996-01-01	1.9458900000000001
1997-01-01	1.7470700000000001
1998-01-01	1.8894600000000000
1999-01-01	1.6468900000000002
2000-01-01	1.6416400000000002
2001-01-01	1.6145900000000000
2002-01-01	1.6343600000000000
2003-01-01	1.5907500000000000
2004-01-01	1.3736100000000000
2005-01-01	1.2655000000000000
2006-01-01	1.0855200000000000
2007-01-01	1.0799299999999998
2008-01-01	1.1093000000000000
2009-01-01	1.4613500000000000
2010-01-01	1.1576500000000000
2011-01-01	1.1071400000000000
2012-01-01	1.0953600000000001
2013-01-01	1.0658299999999998
2014-01-01	0.9650299999999999
2015-01-01	0.8689670000000000
2016-01-01	0.7934160000000000