Year	Number
2008-01-01	1402989
2009-01-01	1461195
2010-01-01	1864060
2011-01-01	1768815
2012-01-01	2250692
2013-01-01	2244609
2014-01-01	954808
2015-01-01	1036535
2016-01-01	1177797