Year	Number
2007-01-01	32587
2008-01-01	42712
2009-01-01	68939
2010-01-01	77894
2011-01-01	79159
2012-01-01	107329
2013-01-01	103933
2014-01-01	127059
2015-01-01	129398
2016-01-01	150303