Year	Percent
1996-01-01	1.6005200000000002
1997-01-01	1.0812200000000000
1998-01-01	1.6005300000000000
1999-01-01	0.3608500000000000
2000-01-01	0.5505470000000000
2001-01-01	1.0151100000000000
2002-01-01	1.0929000000000000
2003-01-01	1.1464100000000000
2004-01-01	1.0880200000000000
2005-01-01	1.1105200000000002
2006-01-01	1.8617200000000000
2007-01-01	1.3668200000000001
2008-01-01	1.1362800000000000
2009-01-01	0.5458740000000000
2010-01-01	1.2297600000000000
2011-01-01	2.2029900000000002
2012-01-01	1.9186500000000000
2013-01-01	1.7897200000000000
2014-01-01	1.4619500000000000
2015-01-01	0.8371360000000001
2016-01-01	0.5444110000000000