Year	Percent
1996-01-01	1.4766900000000000
1997-01-01	1.2380799999999998
1998-01-01	1.2312100000000001
1999-01-01	1.0095900000000000
2000-01-01	1.3630500000000000
2001-01-01	1.3383900000000000
2002-01-01	2.1639700000000000
2003-01-01	1.7357300000000000
2004-01-01	1.2406700000000002
2005-01-01	0.9284230000000000
2006-01-01	1.1510900000000000
2007-01-01	0.9326320000000000
2008-01-01	1.0899600000000000
2009-01-01	1.1404900000000000
2010-01-01	1.1956100000000000
2011-01-01	1.4045500000000000
2012-01-01	1.2554400000000000
2013-01-01	1.4590500000000000
2014-01-01	1.4335500000000000
2015-01-01	1.3673500000000000
2016-01-01	1.3628799999999999