Year	Number
2009-01-01	329.5305
2010-01-01	454.2711
2011-01-01	574.3273
2012-01-01	819.6831
2013-01-01	1235.8698
2014-01-01	1899.9970
2015-01-01	2181.7465
2016-01-01	2021.3783
