Year	Percent
1983-01-01	0.004913000000000000
1984-01-01	0.005096000000000000
1985-01-01	0.005649000000000000
1986-01-01	0.002117000000000000
1987-01-01	0.002247000000000000
1988-01-01	0.000384000000000000
1989-01-01	0.004350000000000000
1990-01-01	0.001208000000000000
1991-01-01	0.001208000000000000
1992-01-01	0.001208000000000000
1993-01-01	0.001208000000000000
1994-01-01	0.001208000000000000
1995-01-01	0.001208000000000000
1996-01-01	0.001208000000000000
1997-01-01	0.001208000000000000
1998-01-01	0.001208000000000000
1999-01-01	0.001208000000000000
2000-01-01	0.017082000000000000
2001-01-01	0.016765000000000002
2002-01-01	0.017781000000000000
2003-01-01	0.015599000000000002
2004-01-01	0.011692000000000001
2005-01-01	0.010572000000000000
2006-01-01	0.001616000000000000
2007-01-01	0.001444000000000000
2008-01-01	0.001392000000000000
2009-01-01	0.030128000000000000
2010-01-01	0.028519000000000000
2011-01-01	0.028114000000000000
2012-01-01	0.026965000000000000
2013-01-01	0.025543000000000000
2014-01-01	0.023260000000000000
2015-01-01	0.024177000000000000
2016-01-01	0.017712000000000002
2017-01-01	0.016107000000000000