Year	Percent
1996-01-01	0.7642399999999999
1997-01-01	0.9198770000000001
1998-01-01	-2.7654600000000000
1999-01-01	-7.7361800000000000
2000-01-01	-4.2497000000000000
2001-01-01	0.0976530000000000
2002-01-01	0.4780630000000000
2003-01-01	1.6611000000000000
2004-01-01	2.3809800000000000
2005-01-01	1.7740400000000000
2006-01-01	1.7185800000000000
2007-01-01	1.7460799999999999
2008-01-01	2.0606600000000000
2009-01-01	1.9109599999999998
2010-01-01	1.8927200000000002
2011-01-01	2.0045700000000000
2012-01-01	1.7307000000000000
2013-01-01	1.3661900000000000
2014-01-01	2.2600599999999997
2015-01-01	1.3837000000000000
2016-01-01	2.5502500000000000