Year	Percent
1996-01-01	2.0707200000000000
1997-01-01	1.7121500000000000
1998-01-01	1.4631500000000000
1999-01-01	1.1760300000000000
2000-01-01	1.2677399999999999
2001-01-01	0.1623740000000000
2002-01-01	-0.9042650000000000
2003-01-01	-3.7875000000000000
2004-01-01	2.3566400000000000
2005-01-01	1.7596200000000000
2006-01-01	2.0664300000000000
2007-01-01	2.2314100000000000
2008-01-01	1.3834600000000001
2009-01-01	0.6688580000000000
2010-01-01	1.0339200000000002
2011-01-01	1.1197500000000000
2012-01-01	1.2441500000000000
2013-01-01	1.0876200000000000
2014-01-01	1.0664900000000000
2015-01-01	0.8483280000000001
2016-01-01	0.9576379999999999