Year	Percent
1972-01-01	0.266501000000000040
1973-01-01	0.266501000000000040
1974-01-01	0.266501000000000040
1975-01-01	0.266501000000000040
1976-01-01	0.266501000000000040
1977-01-01	0.266501000000000040
1978-01-01	0.266501000000000040
1979-01-01	0.266501000000000040
1980-01-01	0.266501000000000040
1981-01-01	0.266501000000000040
1982-01-01	0.091545000000000000
1983-01-01	0.091545000000000000
1984-01-01	0.008329999999999999
1985-01-01	0.008329999999999999
1986-01-01	-0.319264000000000000
1987-01-01	-0.038079000000000000
1988-01-01	-0.038079000000000000
1989-01-01	0.554510000000000100
1990-01-01	0.231890000000000000
1991-01-01	0.358559000000000000
1992-01-01	0.527427000000000100
1993-01-01	1.446570000000000100
1994-01-01	1.602029999999999800
1995-01-01	0.547932000000000000
1996-01-01	0.242696000000000000
1997-01-01	1.669490000000000100
1998-01-01	-0.359348000000000000
1999-01-01	-0.474952000000000040
2000-01-01	-0.219005000000000000
2001-01-01	0.262865000000000000
2002-01-01	-0.309431000000000000
2003-01-01	0.962242000000000000
2004-01-01	0.593710000000000100
2005-01-01	0.865273000000000000
2006-01-01	3.757170000000000000
2007-01-01	-0.474728000000000000
2008-01-01	1.990350000000000000
2009-01-01	-4.532120000000000000
2010-01-01	8.087880000000000000
2011-01-01	2.906550000000000000
2012-01-01	-0.436357000000000000
2013-01-01	-0.134661000000000000
2014-01-01	0.899044000000000100
2015-01-01	-5.862170000000000000
2016-01-01	-2.195750000000000000