Year	Percent
1997-01-01	4.12083000000000100
1998-01-01	4.12083000000000100
1999-01-01	4.12083000000000100
2000-01-01	4.12083000000000100
2001-01-01	4.12083000000000100
2002-01-01	4.12083000000000100
2003-01-01	4.00474000000000000
2004-01-01	2.39553000000000000
2005-01-01	0.35314500000000000
2006-01-01	0.63715200000000000
2007-01-01	0.45983999999999997
2008-01-01	-0.32087700000000000
2009-01-01	0.32663700000000000
2010-01-01	-4.34218000000000000
2011-01-01	-0.24623299999999998
2012-01-01	-2.10430000000000000
2013-01-01	-0.08164800000000000
2014-01-01	0.73380200000000010
2015-01-01	-0.39018500000000000
2016-01-01	0.04665500000000000