Year	Percent
1980-01-01	0.15531800000000000
1981-01-01	0.14380100000000000
1982-01-01	0.13513699999999998
1983-01-01	0.13918300000000000
1984-01-01	0.13846900000000000
1985-01-01	0.04994200000000000
1986-01-01	0.04719300000000000
1987-01-01	0.04509200000000000
1988-01-01	0.04509200000000000
1989-01-01	0.04509200000000000
1990-01-01	0.04509200000000000
1991-01-01	0.04509200000000000
1992-01-01	0.04509200000000000
1993-01-01	0.41184300000000000
1994-01-01	0.33982100000000000
1995-01-01	0.44489500000000000
1996-01-01	0.91766299999999990
1997-01-01	1.06434000000000000
1998-01-01	1.01978000000000000
1999-01-01	1.26699000000000000
2000-01-01	1.19685000000000000
2001-01-01	0.93079799999999990
2002-01-01	0.92851700000000000
2003-01-01	0.96692800000000010
2004-01-01	0.61876700000000000
2005-01-01	0.38406200000000000
2006-01-01	0.29708100000000000
2007-01-01	1.30706000000000000
2008-01-01	1.10414000000000000
2009-01-01	2.20270999999999970
2010-01-01	2.13213000000000000
2011-01-01	2.80922000000000030
2012-01-01	3.50116000000000000
2013-01-01	5.19039000000000000
2014-01-01	6.32320999999999960
2015-01-01	8.72905000000000000
2016-01-01	9.39761000000000000