Year	Number
2004-01-01	425475
2005-01-01	439336
2006-01-01	477454
2007-01-01	545689
2008-01-01	641923
2009-01-01	570077
2010-01-01	668886
2011-01-01	907037
2012-01-01	922330
2013-01-01	1071356
2014-01-01	1211005
2015-01-01	1251868