Year	Number
2007-01-01	0.0208
2008-01-01	0.0624
2009-01-01	0.0624
2010-01-01	0.0208
2011-01-01	0.0416
2012-01-01	0.0416
2013-01-01	0.0416
2014-01-01	0.0416
2015-01-01	0.0416
2016-01-01	0.0416
2017-01-01	0.0416