Year	Number
2004-01-01	74576
2005-01-01	80798
2006-01-01	92595
2007-01-01	108397
2008-01-01	118274
2009-01-01	131443
2010-01-01	155379
2011-01-01	181725
2012-01-01	212507
2013-01-01	352313
2014-01-01	367790
2015-01-01	356833
2016-01-01	383388