Year	Percent
2006-01-01	0.99
2007-01-01	0.88
2008-01-01	0.92
2009-01-01	0.80
2010-01-01	0.83
2011-01-01	0.78
2012-01-01	0.75
2013-01-01	0.78
2014-01-01	0.77
2015-01-01	0.74
2016-01-01	0.75
