Year	Percent
2003-01-01	0.278855
2004-01-01	0.285271
2005-01-01	0.321439
2006-01-01	0.317917
2007-01-01	0.345609
2008-01-01	0.328860
2009-01-01	0.338976
2010-01-01	0.295259
2011-01-01	0.369998
2012-01-01	0.258856