Year	Percent
1992-01-01	1.11927999999999980
1993-01-01	0.41647200000000000
1994-01-01	0.77090000000000000
1995-01-01	1.96132000000000020
1996-01-01	3.73918000000000000
1997-01-01	4.26551999999999950
1998-01-01	5.28677000000000000
1999-01-01	32.60890000000000000
2000-01-01	73.88690000000000000
2001-01-01	58.21080000000000000
2002-01-01	17.18070000000000000
2003-01-01	3.79859000000000040
2004-01-01	1.73664000000000020
2005-01-01	1.93810000000000000
2006-01-01	8.76962000000000000
2007-01-01	16.19410000000000000
2008-01-01	11.92830000000000000
2009-01-01	6.60035000000000000
2010-01-01	4.72424000000000000
2011-01-01	2.24946000000000000
2012-01-01	1.41572000000000000
2013-01-01	0.71134100000000000
2014-01-01	0.21075100000000002
2015-01-01	0.45322600000000000
2016-01-01	0.50198300000000000
2017-01-01	0.33346200000000000