Year	Percent
1976-01-01	0.214346000000000000
1977-01-01	0.419609000000000000
1978-01-01	1.107550000000000000
1979-01-01	1.107550000000000000
1980-01-01	1.107550000000000000
1981-01-01	1.107550000000000000
1982-01-01	-0.046452999999999994
1983-01-01	-0.172126000000000000
1984-01-01	-0.172126000000000000
1985-01-01	-0.291692000000000000
1986-01-01	-0.064368000000000000
1987-01-01	-0.031464000000000000
1988-01-01	-0.054155999999999996
1989-01-01	-0.054155999999999996
1990-01-01	-0.054799000000000000
1991-01-01	-0.054799000000000000
1992-01-01	-0.104159999999999990
1993-01-01	-0.104159999999999990
1994-01-01	-0.104159999999999990
1995-01-01	-0.237046000000000000
1996-01-01	-0.237046000000000000
1997-01-01	-0.237046000000000000
1998-01-01	-0.237046000000000000
1999-01-01	-0.237046000000000000
2000-01-01	-0.237046000000000000
2001-01-01	-0.237046000000000000
2002-01-01	-0.237046000000000000
2003-01-01	-0.237046000000000000
2004-01-01	-0.237046000000000000
2005-01-01	-0.237046000000000000
2006-01-01	-0.237046000000000000
2007-01-01	-0.237046000000000000
2008-01-01	-0.237046000000000000
2009-01-01	-0.237046000000000000
2010-01-01	-0.237046000000000000
2011-01-01	-0.237046000000000000
2012-01-01	0.131542000000000020
2013-01-01	0.023837000000000000
2014-01-01	0.023837000000000000
2015-01-01	0.023837000000000000
2016-01-01	-0.123860999999999980