Year	Number
2006-01-01	69
2007-01-01	60
2008-01-01	80
2009-01-01	83
2010-01-01	97
2011-01-01	99
2012-01-01	97
2013-01-01	98
2014-01-01	23
2015-01-01	23
2016-01-01	24