Year	Number
2007-01-01	8.985542908
2008-01-01	22.215784050
2009-01-01	29.012642550
2010-01-01	42.434733130
2011-01-01	65.265165210
2012-01-01	94.238248090
2013-01-01	90.298407260
2014-01-01	155.052766900