Year	Percent
1971-01-01	0.33512000000000000
1972-01-01	0.33512000000000000
1973-01-01	0.33512000000000000
1974-01-01	0.33512000000000000
1975-01-01	0.33512000000000000
1976-01-01	0.33512000000000000
1977-01-01	0.33512000000000000
1978-01-01	0.33512000000000000
1979-01-01	0.33512000000000000
1980-01-01	0.33512000000000000
1981-01-01	0.17710300000000000
1982-01-01	0.12387200000000000
1983-01-01	0.16718400000000000
1984-01-01	0.22380500000000003
1985-01-01	0.06722800000000000
1986-01-01	0.06329800000000001
1987-01-01	0.06329800000000001
1988-01-01	0.06329800000000001
1989-01-01	-0.07268500000000000
1990-01-01	-0.07268500000000000
1991-01-01	-0.09554900000000000
1992-01-01	0.00191800000000000
1993-01-01	2.21762999999999980
1994-01-01	1.44317000000000000
1995-01-01	0.56549200000000000
1996-01-01	0.37566400000000000
1997-01-01	-0.19509100000000001
1998-01-01	-0.51395600000000010
1999-01-01	-0.28292500000000000
2000-01-01	0.08271800000000000
2001-01-01	0.68829900000000000
2002-01-01	-0.09498100000000000
2003-01-01	2.89495000000000000
2004-01-01	0.85984699999999990
2005-01-01	0.35137900000000000
2006-01-01	1.66429000000000000
2007-01-01	0.22353800000000001
2008-01-01	-0.67676100000000000
2009-01-01	1.56555000000000000
2010-01-01	1.27101000000000000
2011-01-01	0.13922800000000000
2012-01-01	1.42139000000000000
2013-01-01	0.57563199999999990
2014-01-01	1.66576000000000000
2015-01-01	0.36845000000000000
2016-01-01	1.53252000000000000