Year	Number
2004-01-01	45820
2005-01-01	58271
2006-01-01	82612
2007-01-01	91915
2008-01-01	91011
2009-01-01	109965
2010-01-01	107330
2011-01-01	119527
2012-01-01	60421
2013-01-01	38982
2014-01-01	368794