Year	Number
2004-01-01	1040254
2005-01-01	1174527
2006-01-01	1343343
2007-01-01	1552049
2008-01-01	1787647
2009-01-01	1973453
2010-01-01	2195597
2011-01-01	2598007
2012-01-01	2736986
2013-01-01	3260020
2014-01-01	3368374
2015-01-01	3607215
2016-01-01	3813724