Year	Number
2006-01-01	661325
2007-01-01	757801
2008-01-01	790945
2009-01-01	827736
2010-01-01	850140
2011-01-01	917646
2012-01-01	872135
2013-01-01	1000980
2014-01-01	1090458
2015-01-01	1257639
2016-01-01	1306996