Year	Number
2009-01-01	0.3638
2010-01-01	1.7502
2011-01-01	2.5391
2012-01-01	6.3611
2013-01-01	10.8399
2014-01-01	39.2539
2015-01-01	28.4393
2016-01-01	57.2004