Year	Percent
1972-01-01	0.73532100000000000
1973-01-01	0.81218100000000000
1974-01-01	0.81218100000000000
1975-01-01	0.33727500000000000
1976-01-01	1.12227000000000000
1977-01-01	0.93690499999999990
1978-01-01	0.93690499999999990
1979-01-01	0.93690499999999990
1980-01-01	0.93690499999999990
1981-01-01	-0.17640600000000000
1982-01-01	-0.12438699999999998
1983-01-01	0.32629600000000003
1984-01-01	0.32629600000000003
1985-01-01	0.21945500000000000
1986-01-01	0.83471100000000010
1987-01-01	0.34932199999999997
1988-01-01	-0.31574100000000000
1989-01-01	-0.65738500000000000
1990-01-01	-0.65738500000000000
1991-01-01	-0.65738500000000000
1992-01-01	-0.14379800000000000
1993-01-01	0.28526900000000000
1994-01-01	0.06777100000000000
1995-01-01	-0.13653400000000000
1996-01-01	1.35472000000000010
1997-01-01	-0.08086700000000000
1998-01-01	0.02800200000000000
1999-01-01	1.07552999999999990
2000-01-01	0.50817100000000000
2001-01-01	3.12926000000000000
2002-01-01	0.20121600000000000
2003-01-01	3.59067000000000000
2004-01-01	2.93899999999999960
2005-01-01	0.50777900000000000
2006-01-01	0.11772900000000000
2007-01-01	0.23724699999999999
2008-01-01	-0.76680600000000000
2009-01-01	1.20628999999999990
2010-01-01	0.17299600000000000
2011-01-01	0.61175700000000000
2012-01-01	1.40371000000000000
2013-01-01	0.65220800000000000
2014-01-01	-1.89815000000000000
2015-01-01	-0.39213000000000003
2016-01-01	-0.98492900000000000