Year	Percent
2004-01-01	0.0000690000000000
2005-01-01	1.4159100000000000
2006-01-01	1.3589100000000000
2007-01-01	1.1856400000000000
2008-01-01	1.2603500000000000
2009-01-01	3.1464600000000000
2010-01-01	2.7855800000000000
2011-01-01	2.2808900000000003
2012-01-01	2.2727000000000000
2013-01-01	1.6201299999999998
2014-01-01	1.1909500000000000
2015-01-01	1.0083500000000000
2016-01-01	0.7160930000000000