Year	Number
2006-01-01	14
2007-01-01	16
2008-01-01	22
2009-01-01	15
2010-01-01	18
2011-01-01	32
2012-01-01	44
2013-01-01	78
2014-01-01	99
2015-01-01	97
2016-01-01	78