Year	Percent
1972-01-01	0.167064000000000020
1973-01-01	0.167064000000000020
1974-01-01	0.151036999999999980
1975-01-01	1.584660000000000000
1976-01-01	0.837454000000000100
1977-01-01	1.908059999999999900
1978-01-01	1.575560000000000000
1979-01-01	0.346306000000000000
1980-01-01	-0.328991000000000000
1981-01-01	0.303475000000000000
1982-01-01	-0.245821000000000000
1983-01-01	-0.418646000000000000
1984-01-01	0.507590000000000000
1985-01-01	-1.117450000000000000
1986-01-01	1.171640000000000000
1987-01-01	-0.282288000000000000
1988-01-01	0.124631999999999990
1989-01-01	0.242610000000000000
1990-01-01	-0.237078000000000000
1991-01-01	-0.022154000000000000
1992-01-01	-0.446353000000000000
1993-01-01	-0.563945000000000000
1994-01-01	-0.607245000000000000
1995-01-01	-0.132871000000000020
1996-01-01	0.179797000000000000
1997-01-01	-0.009295999999999999
1998-01-01	0.011676000000000000
1999-01-01	-0.382658000000000000
2000-01-01	-0.134839000000000010
2001-01-01	0.306316000000000000
2002-01-01	0.917519000000000100
2003-01-01	1.241520000000000200
2004-01-01	2.147470000000000000
2005-01-01	1.319629999999999900
2006-01-01	2.131580000000000000
2007-01-01	2.480540000000000000
2008-01-01	0.259861000000000000
2009-01-01	0.048368000000000000
2010-01-01	-0.604477000000000000
2011-01-01	2.741209999999999700
2012-01-01	-0.228917000000000000
2013-01-01	1.943830000000000000
2014-01-01	0.473426000000000000
2015-01-01	-1.640959999999999800
2016-01-01	-2.674930000000000000