Year	Percent
1996-01-01	2.3252500000000000
1997-01-01	2.6674200000000000
1998-01-01	2.5299800000000000
1999-01-01	2.7307000000000000
2000-01-01	3.1770099999999997
2001-01-01	2.4706700000000000
2002-01-01	2.6602400000000000
2003-01-01	2.5649599999999997
2004-01-01	2.1917700000000000
2005-01-01	2.0821099999999997
2006-01-01	2.4976400000000000
2007-01-01	2.1461000000000000
2008-01-01	2.4470500000000000
2009-01-01	2.0430800000000000
2010-01-01	2.0831700000000000
2011-01-01	2.1354900000000003
2012-01-01	2.1062100000000000
2013-01-01	2.1249800000000000
2014-01-01	2.1988500000000000
2015-01-01	1.5267000000000000
2016-01-01	1.8157900000000002