Year	Number
2004-01-01	28490
2005-01-01	38592
2006-01-01	44070
2007-01-01	41666
2008-01-01	46428
2009-01-01	49760
2010-01-01	52788
2011-01-01	60077
2012-01-01	83462
2013-01-01	93574
2014-01-01	101337
2015-01-01	99784
2016-01-01	108344