Year	Number
2007-01-01	79.22077922
2008-01-01	81.49606299
2009-01-01	78.32167832
2010-01-01	80.68965517
2011-01-01	88.88888889
2012-01-01	23.79134860
2013-01-01	39.91803279
2014-01-01	53.59297861