Year	Number
2009-01-01	1352598
2010-01-01	1277666
2011-01-01	1099687
2012-01-01	1053265
2013-01-01	1060452
2014-01-01	1034271
2015-01-01	1043681
2016-01-01	1198362
2017-01-01	1026299