Year	Percent
2002-01-01	0.14543699999999998
2003-01-01	0.08067600000000000
2004-01-01	0.11224400000000001
2005-01-01	0.33406800000000000
2006-01-01	0.35086200000000000
2007-01-01	0.51825500000000000
2008-01-01	0.49790500000000004
2009-01-01	0.19885799999999998
2010-01-01	0.18391100000000000
2011-01-01	0.57173699999999990