Year	Number
2004-01-01	115909
2005-01-01	131683
2006-01-01	152701
2007-01-01	251090
2008-01-01	289434
2009-01-01	297920
2010-01-01	307015
2011-01-01	212272
2012-01-01	233943
2013-01-01	243622
2014-01-01	227100
2015-01-01	239601
2016-01-01	250428
2017-01-01	263603