Year	Number
2004-01-01	82121
2005-01-01	79227
2006-01-01	74679
2007-01-01	75948
2008-01-01	91558
2009-01-01	92043
2010-01-01	92043
2011-01-01	92043
2012-01-01	99675
2013-01-01	84543
2014-01-01	156459
2015-01-01	172167
2016-01-01	185810