Year	Number
2005-01-01	556691
2006-01-01	775344
2007-01-01	891146
2008-01-01	1038480
2009-01-01	1101509
2010-01-01	1245270
2011-01-01	1269993
2012-01-01	1485009
2013-01-01	1511831
2014-01-01	1513276
2015-01-01	1407434
2016-01-01	1271164
2017-01-01	1482249