Year	Percent
1984-01-01	0.031930000000000000
1985-01-01	0.066562000000000000
1986-01-01	0.051869000000000005
1987-01-01	0.133347000000000000
1988-01-01	0.062109000000000004
1989-01-01	0.028755000000000003
1990-01-01	0.028755000000000003
1991-01-01	0.005739000000000000
1992-01-01	0.036541000000000004
1993-01-01	0.152452000000000000
1994-01-01	0.118372000000000000
1995-01-01	-0.026955000000000000
1996-01-01	0.083937000000000000
1997-01-01	0.020590999999999998
1998-01-01	0.052087000000000000
1999-01-01	0.033638000000000000
2000-01-01	0.078508000000000010
2001-01-01	0.011348000000000000
2002-01-01	-0.064126000000000000
2003-01-01	0.162381000000000000
2004-01-01	0.172858999999999980
2005-01-01	0.056955999999999990
2006-01-01	0.032302000000000000
2007-01-01	0.017567000000000000
2008-01-01	-0.011722000000000000
2009-01-01	0.028963000000000000
2010-01-01	0.172130000000000000
2011-01-01	0.096282000000000000
2012-01-01	0.217369000000000000
2013-01-01	0.359479000000000000
2014-01-01	0.449908000000000000
2015-01-01	0.324917000000000000
2016-01-01	0.349330000000000030