Year	Percent
1998-01-01	0.50000000000000000
1999-01-01	0.50000000000000000
2000-01-01	0.50000000000000000
2001-01-01	0.40000000000000000
2002-01-01	0.40000000000000000
2003-01-01	0.50000000000000000
2004-01-01	0.30000000000000000
2005-01-01	0.20000000000000000
2006-01-01	0.10000000000000000
2007-01-01	0.40000000000000000
2008-01-01	0.60000000000000000
2009-01-01	0.70000000000000000
2010-01-01	0.24723299999999998
2011-01-01	0.37941600000000000
2012-01-01	0.14558900000000000
2013-01-01	0.21316400000000000
2014-01-01	0.21316400000000000
2015-01-01	0.21316400000000000
2016-01-01	1.66612000000000000