Year	Percent
2003-01-01	65.4064
2004-01-01	69.1511
2005-01-01	68.7200
2006-01-01	62.4733
2007-01-01	64.4899
2008-01-01	59.1686
2009-01-01	66.1896
2010-01-01	66.1896
2011-01-01	66.1896
2012-01-01	69.1011
2013-01-01	90.4557