Year	Number
2004-01-01	220211
2005-01-01	230247
2006-01-01	268634
2007-01-01	291498
2008-01-01	308404
2009-01-01	371324
2010-01-01	424042
2011-01-01	949335
2012-01-01	1005985
2013-01-01	1062281
2014-01-01	1031943
2015-01-01	1219694
2016-01-01	1305802