Year	Number
2004-01-01	895124
2005-01-01	1028017
2006-01-01	1255018
2007-01-01	1542895
2008-01-01	1902747
2009-01-01	2427792
2010-01-01	3065441
2011-01-01	3685318
2012-01-01	4332902
2013-01-01	4980361
2014-01-01	5662494
2015-01-01	6399645
2016-01-01	7343112
2017-01-01	8552574