Year	Percent
1981-01-01	0.115478000000000000
1982-01-01	0.115478000000000000
1983-01-01	0.115478000000000000
1984-01-01	0.115478000000000000
1985-01-01	0.115478000000000000
1986-01-01	-0.163996000000000000
1987-01-01	-0.163996000000000000
1988-01-01	-0.163996000000000000
1989-01-01	-0.163996000000000000
1990-01-01	-0.163996000000000000
1991-01-01	-0.163996000000000000
1992-01-01	-0.163996000000000000
1993-01-01	-0.163996000000000000
1994-01-01	0.055702000000000000
1995-01-01	0.031887000000000000
1996-01-01	0.031887000000000000
1997-01-01	0.031887000000000000
1998-01-01	-1.063030000000000000
1999-01-01	-0.001993000000000000
2000-01-01	-0.005797999999999999
2001-01-01	-0.005797999999999999
2002-01-01	-0.763085999999999900
2003-01-01	-0.698098000000000000
2004-01-01	1.207150000000000000
2005-01-01	1.025500000000000000
2006-01-01	0.850601000000000000
2007-01-01	0.173239000000000000
2008-01-01	-0.121940000000000000
2009-01-01	0.475902999999999960
2010-01-01	2.056550000000000000
2011-01-01	0.363294000000000000
2012-01-01	0.005710000000000000
2013-01-01	0.335955000000000000
2014-01-01	2.001500000000000000
2015-01-01	0.647950000000000000
2016-01-01	1.009850000000000000