Year	Percent
2000-01-01	12.4000000000000000
2001-01-01	10.4000000000000000
2002-01-01	8.3068400000000000
2003-01-01	18.7486000000000000
2004-01-01	4.6529700000000000
2005-01-01	4.4600500000000000
2006-01-01	4.1080700000000000
2007-01-01	3.6398599999999997
2008-01-01	5.2024500000000000
2009-01-01	3.5355000000000000
2010-01-01	4.4117100000000000
2011-01-01	4.4387000000000000
2012-01-01	3.6509199999999997
2013-01-01	3.2302100000000000
2014-01-01	3.5363900000000004