Year	Percent
1996-01-01	2.0503200000000000
1997-01-01	1.4580700000000000
1998-01-01	1.3153900000000000
1999-01-01	1.2243400000000000
2000-01-01	0.9137860000000001
2001-01-01	0.5443600000000001
2002-01-01	0.3397350000000000
2003-01-01	0.4933200000000000
2004-01-01	0.7976409999999999
2005-01-01	0.3041180000000000
2006-01-01	1.7453900000000002
2007-01-01	1.8605500000000000
2008-01-01	1.7258099999999998
2009-01-01	1.4372800000000000
2010-01-01	1.5160900000000000
2011-01-01	0.0980630000000000
2012-01-01	1.0084400000000000
2013-01-01	2.3529000000000000
2014-01-01	1.5230100000000000
2015-01-01	1.7936200000000000
2016-01-01	1.8062400000000000