Year	Number
2007-01-01	1020300
2008-01-01	1023977
2009-01-01	1001370
2010-01-01	1086664
2011-01-01	1101040
2012-01-01	2438689
2013-01-01	2824200
2014-01-01	2906716
2015-01-01	3113501
2016-01-01	3227618
2017-01-01	3219533