Year	Percent
1996-01-01	2.7032900000000000
1997-01-01	2.4708900000000003
1998-01-01	3.0543700000000000
1999-01-01	1.7414000000000000
2000-01-01	2.0399200000000000
2001-01-01	1.9266900000000002
2002-01-01	1.8063900000000002
2003-01-01	6.2652600000000000
2004-01-01	2.8639400000000000
2005-01-01	2.4438800000000000
2006-01-01	2.0839100000000000
2007-01-01	2.6880599999999997
2008-01-01	2.1386900000000000
2009-01-01	2.0888600000000000
2010-01-01	2.5040800000000000
2011-01-01	2.2753700000000000
2012-01-01	2.1341500000000000
2013-01-01	2.1314100000000000
2014-01-01	2.1854500000000000
2015-01-01	2.2313800000000000
2016-01-01	1.8533700000000000