Year	Percent
1976-01-01	0.54093600000000000
1977-01-01	0.54093600000000000
1978-01-01	1.29447000000000000
1979-01-01	1.29447000000000000
1980-01-01	1.29447000000000000
1981-01-01	1.29447000000000000
1982-01-01	1.29447000000000000
1983-01-01	1.29447000000000000
1984-01-01	1.29447000000000000
1985-01-01	-0.85607099999999990
1986-01-01	-0.17652700000000000
1987-01-01	-0.17652700000000000
1988-01-01	-0.17652700000000000
1989-01-01	-0.17652700000000000
1990-01-01	-0.31995999999999997
1991-01-01	-0.31995999999999997
1992-01-01	-0.31995999999999997
1993-01-01	-0.31995999999999997
1994-01-01	-0.31995999999999997
1995-01-01	-0.31995999999999997
1996-01-01	-0.02026200000000000
1997-01-01	-0.06556000000000001
1998-01-01	-5.30431000000000000
1999-01-01	-5.30431000000000000
2000-01-01	-5.30431000000000000
2001-01-01	-2.83154000000000000
2002-01-01	0.22317500000000000
2003-01-01	0.22317500000000000
2004-01-01	3.99643000000000000
2005-01-01	6.78498000000000000
2006-01-01	6.78498000000000000
2007-01-01	1.52686000000000000
2008-01-01	1.52686000000000000
2009-01-01	3.76031999999999970
2010-01-01	-0.51872200000000000
2011-01-01	-0.51872200000000000
2012-01-01	3.75425000000000000
2013-01-01	0.73568400000000000
2014-01-01	0.36610800000000000
2015-01-01	0.86318900000000000
2016-01-01	0.99659900000000000