Year	Percent
1999-01-01	0.0041140000000000005
2000-01-01	0.0041140000000000005
2001-01-01	0.3165400000000000000
2002-01-01	0.7426490000000000000
2003-01-01	0.0130000000000000010
2004-01-01	0.6553020000000000000
2005-01-01	1.0894400000000000000
2006-01-01	3.4449000000000000000
2007-01-01	3.3851600000000000000
2008-01-01	2.3925500000000000000
2009-01-01	1.6802900000000000000
2010-01-01	1.6021400000000000000
2011-01-01	0.0078250000000000000
2012-01-01	0.0080650000000000010
2013-01-01	0.0553769999999999960
2014-01-01	5.6320400000000000000
2015-01-01	14.3159000000000000000