Year	Number
2005-01-01	25447
2006-01-01	39692
2007-01-01	74320
2008-01-01	81542
2009-01-01	68007
2010-01-01	15083
2011-01-01	3243
2012-01-01	3531
2013-01-01	3785
2014-01-01	4288
2015-01-01	5466