Year	Percent
1981-01-01	0.02568900000000000
1982-01-01	0.62661400000000000
1983-01-01	0.14463499999999999
1984-01-01	0.35564700000000000
1985-01-01	-0.07701900000000000
1986-01-01	0.09321499999999999
1987-01-01	0.00827000000000000
1988-01-01	0.35595200000000000
1989-01-01	0.03909400000000000
1990-01-01	0.02790000000000000
1991-01-01	0.14131800000000000
1992-01-01	0.47863500000000003
1993-01-01	0.09570500000000000
1994-01-01	0.59457399999999990
1995-01-01	0.18183600000000000
1996-01-01	0.08755100000000000
1997-01-01	1.65225000000000000
1998-01-01	-0.27690700000000000
1999-01-01	-0.31630199999999997
2000-01-01	4.26971999999999950
2001-01-01	0.99952900000000010
2002-01-01	0.93525000000000000
2003-01-01	3.52720000000000000
2004-01-01	4.90608000000000000
2005-01-01	0.16760899999999998
2006-01-01	-0.87649400000000010
2007-01-01	-4.25494000000000000
2008-01-01	-5.84671000000000000
2009-01-01	-1.99924000000000010
2010-01-01	-2.43635000000000000
2011-01-01	-0.55004500000000000
2012-01-01	1.28583999999999990
2013-01-01	0.19360800000000000
2014-01-01	0.16145299999999999
2015-01-01	-0.51774700000000010
2016-01-01	-0.03782600000000000