Year	Number
2004-01-01	18915
2005-01-01	23096
2006-01-01	40933
2007-01-01	40933
2008-01-01	58392
2009-01-01	66176
2010-01-01	69915
2011-01-01	97512
2012-01-01	86355
2013-01-01	92564
2014-01-01	104424
2015-01-01	113683
2016-01-01	113611