Year	Percent
1990-01-01	0.110004999999999990
1991-01-01	0.110004999999999990
1992-01-01	0.110004999999999990
1993-01-01	0.111897000000000000
1994-01-01	0.066699000000000000
1995-01-01	0.050705000000000000
1996-01-01	0.035472000000000004
1997-01-01	0.045038999999999996
1998-01-01	0.057270000000000000
1999-01-01	0.055852000000000000
2000-01-01	0.050049000000000000
2001-01-01	0.070554999999999990
2002-01-01	0.067446000000000000
2003-01-01	0.078057000000000000
2004-01-01	0.068990000000000000
2005-01-01	0.071945000000000010
2006-01-01	0.088627000000000000
2007-01-01	0.108593000000000010
2008-01-01	0.134173000000000010
2009-01-01	0.156017000000000020
2010-01-01	0.129769000000000000
2011-01-01	0.119052999999999990
2012-01-01	0.125370000000000000
2013-01-01	0.122320000000000000
2014-01-01	0.123754999999999990
2015-01-01	0.124236999999999990