Year	Number
2004-01-01	75103637
2005-01-01	78138899
2006-01-01	72033420
2007-01-01	74030875
2008-01-01	76583931
2009-01-01	80873565
2010-01-01	95661508
2011-01-01	105599930
2012-01-01	117499661
2013-01-01	150037215
2014-01-01	160200725
2015-01-01	169267951
2016-01-01	194516791