Year	Number
2005-01-01	25
2006-01-01	250
2007-01-01	277
2008-01-01	250
2009-01-01	216
2010-01-01	213
2011-01-01	227
2012-01-01	395
2013-01-01	415
2014-01-01	427
2015-01-01	254
2016-01-01	245
