Year	Number
2004-01-01	242304
2005-01-01	322664
2006-01-01	409693
2007-01-01	490297
2008-01-01	516790
2009-01-01	502110
2010-01-01	523022
2011-01-01	606170
2012-01-01	614567
2013-01-01	693965
2014-01-01	803060
2015-01-01	893030
