Year	Number
2005-01-01	2278345
2006-01-01	2750395
2007-01-01	2986513
2008-01-01	3455019
2009-01-01	3909567
2010-01-01	4190263
2011-01-01	5267084
2012-01-01	7113485
2013-01-01	7317337
2014-01-01	8246818
2015-01-01	10050872
2016-01-01	9595255