Year	Percent
1999-01-01	1.5831700000000000
2000-01-01	2.3226000000000000
2001-01-01	2.1732200000000000
2002-01-01	2.7938800000000000
2003-01-01	0.9967159999999999
2004-01-01	1.7690900000000000
2005-01-01	2.1206500000000000
2006-01-01	2.7466800000000000
2007-01-01	2.9681500000000000
2008-01-01	2.2823599999999997
2009-01-01	2.4280200000000000
2010-01-01	2.3887800000000000
2011-01-01	0.0057770000000000
2012-01-01	0.0056500000000000
2013-01-01	0.0056500000000000
2014-01-01	0.0052260000000000
2015-01-01	0.0002020000000000