Year	Percent
1996-01-01	3.3161000000000000
1997-01-01	2.8818400000000000
1998-01-01	2.5517100000000000
1999-01-01	2.1557500000000000
2000-01-01	1.2566300000000000
2001-01-01	0.9185320000000000
2002-01-01	1.3929600000000000
2003-01-01	10.2081000000000000
2004-01-01	4.4129500000000000
2005-01-01	3.0566400000000002
2006-01-01	1.7225099999999998
2007-01-01	2.0096800000000000
2008-01-01	6.8457899999999990
2009-01-01	3.4630000000000000
2010-01-01	2.6058600000000000
2011-01-01	2.8072700000000000
2012-01-01	2.9315200000000000
2013-01-01	2.4772800000000000
2014-01-01	2.2021700000000000
2015-01-01	1.5880000000000000
2016-01-01	1.5964600000000000