Year	Percent
2006-01-01	0.01
2007-01-01	0.13
2008-01-01	0.17
2009-01-01	0.25
2010-01-01	0.32
2011-01-01	0.37
2012-01-01	0.45
2013-01-01	0.51
2014-01-01	0.60
2015-01-01	0.71
2016-01-01	0.78