Year	Number
2007-01-01	123804
2008-01-01	248415
2009-01-01	251120
2010-01-01	244068
2011-01-01	236284
2012-01-01	247317
2013-01-01	236906
2014-01-01	230518
2015-01-01	229796
2016-01-01	241141
2017-01-01	273573