Year	Number
2004-01-01	675350
2005-01-01	671215
2006-01-01	683991
2007-01-01	714690
2008-01-01	799743
2009-01-01	863715
2010-01-01	883380
2011-01-01	916744
2012-01-01	895489
2013-01-01	896022
2014-01-01	947170
2015-01-01	800203
2016-01-01	855300