Year	Percent
1996-01-01	1.8336000000000000
1997-01-01	1.6106400000000000
1998-01-01	1.8320200000000000
1999-01-01	3.0428700000000000
2000-01-01	3.8300600000000000
2001-01-01	2.4364200000000000
2002-01-01	1.0063900000000000
2003-01-01	2.2187500000000000
2004-01-01	1.2447800000000000
2005-01-01	2.1604300000000000
2006-01-01	2.8476400000000000
2007-01-01	3.0968900000000000
2008-01-01	1.6971700000000000
2009-01-01	2.2054500000000000
2010-01-01	1.2131500000000000
2011-01-01	1.7017200000000001
2012-01-01	2.5787000000000000
2013-01-01	0.4476250000000000
2014-01-01	-1.7480500000000000
2015-01-01	1.7686099999999998
2016-01-01	1.6786900000000002