Year	Number
2004-01-01	38
2005-01-01	45
2006-01-01	35
2007-01-01	61
2008-01-01	47
2009-01-01	78
2010-01-01	77
2011-01-01	81
2012-01-01	86
2013-01-01	87
2014-01-01	93
2015-01-01	97
2016-01-01	99