Year	Number
2004-01-01	1247460
2005-01-01	1543229
2006-01-01	1523688
2007-01-01	1464251
2008-01-01	1517264
2009-01-01	1522034
2010-01-01	1557919
2011-01-01	1630585
2012-01-01	1702690
2013-01-01	1989032
2014-01-01	2351558
2015-01-01	2601768
2016-01-01	2716065