Year	Percent
1999-01-01	0.024013999999999997
2000-01-01	0.011823000000000000
2001-01-01	0.009572000000000000
2002-01-01	0.009572000000000000
2003-01-01	7.915470000000000000
2004-01-01	6.515900000000000000
2005-01-01	3.947080000000000000
2006-01-01	3.531150000000000000
2007-01-01	3.327200000000000000
2008-01-01	2.715410000000000000
2009-01-01	3.262350000000000000
2010-01-01	2.522870000000000000
2011-01-01	1.924090000000000000
2012-01-01	1.740360000000000000
2013-01-01	1.716000000000000000
2014-01-01	1.432040000000000000
2015-01-01	1.367740000000000000
2016-01-01	1.335070000000000000