Year	Percent
1996-01-01	5.4036500000000000
1997-01-01	7.4027899999999995
1998-01-01	1.1814400000000000
1999-01-01	2.2401800000000000
2000-01-01	3.6317199999999996
2001-01-01	1.8430700000000000
2002-01-01	2.2529900000000000
2003-01-01	2.3200800000000000
2004-01-01	2.1895200000000000
2005-01-01	1.8648700000000000
2006-01-01	1.9720000000000000
2007-01-01	2.5276800000000000
2008-01-01	2.1060900000000000
2009-01-01	1.0732100000000000
2010-01-01	0.8610580000000000
2011-01-01	0.7968640000000000
2012-01-01	0.5337910000000000
2013-01-01	0.4390580000000000
2014-01-01	0.4390580000000000
2015-01-01	0.5585120000000000
2016-01-01	1.2363000000000000