Year	Percent
1996-01-01	7.0444000000000000
1997-01-01	4.4039000000000000
1998-01-01	5.0587800000000005
1999-01-01	2.9252800000000000
2000-01-01	2.4635700000000003
2001-01-01	2.4128000000000000
2002-01-01	3.4654700000000000
2003-01-01	5.2178500000000000
2004-01-01	5.6652400000000000
2005-01-01	3.0130600000000000
2006-01-01	2.8732000000000000
2007-01-01	2.5411900000000003
2008-01-01	2.4654200000000000
2009-01-01	2.4650100000000000
2010-01-01	1.4728299999999999
2011-01-01	3.1146300000000000
2012-01-01	4.0530000000000000
2013-01-01	3.3028600000000000
2014-01-01	4.2245099999999995
2015-01-01	0.0672500000000000