Year	Number
2007-01-01	290636
2008-01-01	345630
2009-01-01	306351
2010-01-01	278051
2011-01-01	246780
2012-01-01	246642
2013-01-01	234689
2014-01-01	240555
2015-01-01	255272
2016-01-01	252502
2017-01-01	260001