Year	Percent
1974-01-01	0.097526000000000000
1975-01-01	0.097526000000000000
1976-01-01	0.134321000000000000
1977-01-01	0.120214000000000020
1978-01-01	0.120214000000000020
1979-01-01	0.120214000000000020
1980-01-01	0.072328999999999990
1981-01-01	-0.056610000000000000
1982-01-01	-0.056610000000000000
1983-01-01	0.082735000000000000
1984-01-01	0.374751000000000000
1985-01-01	0.448773999999999950
1986-01-01	0.108190000000000010
1987-01-01	0.034214999999999995
1988-01-01	0.030462000000000000
1989-01-01	0.068165000000000000
1990-01-01	-0.047611000000000000
1991-01-01	0.157183000000000000
1992-01-01	0.257391000000000000
1993-01-01	0.631370000000000000
1994-01-01	0.058823000000000000
1995-01-01	0.246884000000000020
1996-01-01	0.893999000000000000
1997-01-01	0.020628000000000000
1998-01-01	-0.199871000000000000
1999-01-01	0.093766000000000000
2000-01-01	-0.096860000000000000
2001-01-01	0.231871999999999970
2002-01-01	0.447276000000000000
2003-01-01	0.124904000000000000
2004-01-01	0.132831000000000000
2005-01-01	0.600242000000000000
2006-01-01	0.342658000000000000
2007-01-01	0.161221000000000000
2008-01-01	-0.810302000000000100
2009-01-01	-0.252125000000000000
2010-01-01	0.223573000000000000
2011-01-01	0.425127000000000030
2012-01-01	-0.287208000000000000
2013-01-01	0.707105000000000000
2014-01-01	0.519509000000000000
2015-01-01	-0.327966000000000000
2016-01-01	-0.178352999999999980