Year	Percent
1983-01-01	1.11474000000000000
1984-01-01	0.62755200000000000
1985-01-01	0.73622800000000000
1986-01-01	0.55548100000000000
1987-01-01	0.41842399999999996
1988-01-01	0.46008699999999997
1989-01-01	0.61578800000000000
1990-01-01	0.66744799999999990
1991-01-01	0.89650100000000000
1992-01-01	0.91712299999999990
1993-01-01	10.22590000000000000
1994-01-01	12.11580000000000000
1995-01-01	10.09000000000000000
1996-01-01	6.89399000000000000
1997-01-01	4.50283000000000000
1998-01-01	4.14958000000000000
1999-01-01	3.12806000000000000
2000-01-01	2.56630000000000000
2001-01-01	1.48287000000000010
2002-01-01	6.81418999999999900
2003-01-01	9.44981000000000100
2004-01-01	11.68930000000000000
2005-01-01	10.98990000000000000
2006-01-01	8.68965000000000000
2007-01-01	6.68048000000000000
2008-01-01	4.01990999999999900
2009-01-01	3.93718000000000000
2010-01-01	2.99945000000000000
2011-01-01	1.86525000000000000
2012-01-01	1.01367000000000000
2013-01-01	0.82327099999999990
2014-01-01	0.69017800000000000
2015-01-01	0.50840100000000000
2016-01-01	0.30651400000000000