Year	Number
2005-01-01	172699
2006-01-01	187511
2007-01-01	205647
2008-01-01	226514
2009-01-01	257492
2010-01-01	339865
2011-01-01	476874
2012-01-01	202555
2013-01-01	522193
2014-01-01	738659
2015-01-01	829611
2016-01-01	947628