Year	Percent
1990-01-01	0.022999000000000002
1991-01-01	0.066592000000000000
1992-01-01	0.301684000000000000
1993-01-01	1.113700000000000000
1994-01-01	2.171470000000000200
1995-01-01	2.518020000000000000
1996-01-01	2.559740000000000000
1997-01-01	3.481999999999999800
1998-01-01	4.426700000000000000
1999-01-01	4.941290000000000000
2000-01-01	4.941950000000000000
2001-01-01	5.006419999999999000
2002-01-01	8.562480000000000000
2003-01-01	10.344900000000000000
2004-01-01	8.827610000000000000
2005-01-01	8.440310000000000000
2006-01-01	7.369860000000001000
2007-01-01	5.538940000000000000
2008-01-01	3.750660000000000000
2009-01-01	3.437390000000000000
2010-01-01	4.164250000000000000
2011-01-01	2.908570000000000000
2012-01-01	2.766450000000000000
2013-01-01	2.382790000000000000
2014-01-01	4.746320000000000000
2015-01-01	4.022280000000000000
2016-01-01	6.821000000000001000