Year	Percent
1996-01-01	0.6322520000000000
1997-01-01	1.8018800000000000
1998-01-01	1.7327599999999999
1999-01-01	1.3076000000000000
2000-01-01	1.2602100000000000
2001-01-01	0.9536950000000001
2002-01-01	1.3965500000000000
2003-01-01	1.8826300000000000
2004-01-01	2.9079900000000003
2005-01-01	1.3365500000000000
2006-01-01	1.1434700000000000
2007-01-01	0.8956219999999999
2008-01-01	0.7922720000000000
2009-01-01	1.5971300000000000
2010-01-01	2.3064500000000000
2011-01-01	1.7967900000000000
2012-01-01	1.2734600000000000
2013-01-01	1.5743300000000000
2014-01-01	1.5932000000000000
2015-01-01	1.7220200000000000
2016-01-01	1.6905100000000000