Year	Number
2006-01-01	718889
2007-01-01	805658
2008-01-01	854802
2009-01-01	899301
2010-01-01	916775
2011-01-01	993916
2012-01-01	929704
2013-01-01	1044209
2014-01-01	1158826
2015-01-01	1311688
2016-01-01	1429150