Year	Number
2008-01-01	89196
2009-01-01	65727
2010-01-01	25480
2011-01-01	17245
2012-01-01	19619
2013-01-01	17524
2014-01-01	15173
2015-01-01	8020
2016-01-01	7497
2017-01-01	6809