Year	Percent
1999-01-01	0.1110450000000000
2000-01-01	0.0663430000000000
2001-01-01	0.0894110000000000
2002-01-01	0.2988540000000000
2003-01-01	0.5012760000000000
2004-01-01	0.5790529999999999
2005-01-01	1.1826000000000000
2006-01-01	1.2745500000000000
2007-01-01	4.0242800000000000
2008-01-01	1.2708600000000000
2009-01-01	1.7306900000000000
2010-01-01	2.7577200000000000
2011-01-01	2.3384000000000000
2012-01-01	3.0440700000000000
2013-01-01	3.6401400000000000
2014-01-01	3.5604800000000000
2015-01-01	4.4698000000000000
2016-01-01	3.3269000000000000