Year	Percent
1996-01-01	1.4745000000000000
1997-01-01	1.3525100000000000
1998-01-01	2.3027599999999997
1999-01-01	3.5180300000000004
2000-01-01	3.6225199999999997
2001-01-01	3.4645800000000000
2002-01-01	3.3651100000000000
2003-01-01	2.4677100000000000
2004-01-01	1.7491299999999999
2005-01-01	1.7998200000000000
2006-01-01	1.6317100000000000
2007-01-01	1.7806099999999998
2008-01-01	3.0798400000000004
2009-01-01	1.4508200000000000
2010-01-01	2.3804200000000000
2011-01-01	2.0319900000000000
2012-01-01	1.1679100000000000
2013-01-01	1.5522700000000000
2014-01-01	1.0217100000000001
2015-01-01	0.8925180000000000
2016-01-01	1.0918700000000001