Year	Number
2007-01-01	39711
2008-01-01	66717
2009-01-01	97546
2010-01-01	989510
2011-01-01	1101273
2012-01-01	1034878
2013-01-01	1141559
2014-01-01	1122959
2015-01-01	1213145
2016-01-01	2119089
2017-01-01	2236836