Year	Percent
1976-01-01	1.636450000000000000
1977-01-01	1.636450000000000000
1978-01-01	1.636450000000000000
1979-01-01	1.636450000000000000
1980-01-01	0.176508000000000000
1981-01-01	0.783668000000000000
1982-01-01	1.574130000000000000
1983-01-01	1.174290000000000000
1984-01-01	0.739952000000000000
1985-01-01	0.823035000000000100
1986-01-01	0.072241000000000000
1987-01-01	-0.081261000000000000
1988-01-01	-1.989709999999999900
1989-01-01	2.020880000000000000
1990-01-01	0.075590000000000000
1991-01-01	0.055859000000000006
1992-01-01	0.522852000000000100
1993-01-01	-0.060654000000000000
1994-01-01	1.293260000000000000
1995-01-01	2.042790000000000000
1996-01-01	2.351150000000000000
1997-01-01	4.383760000000000000
1998-01-01	-0.376067999999999960
1999-01-01	3.953060000000000000
2000-01-01	9.579790000000000000
2001-01-01	13.759600000000000000
2002-01-01	13.401700000000000000
2003-01-01	21.531000000000000000
2004-01-01	8.585770000000000000
2005-01-01	11.160100000000000000
2006-01-01	3.711010000000000000
2007-01-01	-2.564450000000000000
2008-01-01	12.555100000000000000
2009-01-01	0.404901000000000000
2010-01-01	-1.672540000000000100
2011-01-01	3.141420000000000000
2012-01-01	-1.914320000000000000
2013-01-01	8.394969999999999000
2014-01-01	0.618146000000000000
2015-01-01	6.875550000000000000
2016-01-01	14.932300000000000000