Year	Number
2004-01-01	49009502
2005-01-01	56266351
2006-01-01	62698232
2007-01-01	62006995
2008-01-01	66536696
2009-01-01	69067197
2010-01-01	77146062
2011-01-01	93106961
2012-01-01	100059047
2013-01-01	99457903
2014-01-01	102886230
2015-01-01	109647031
2016-01-01	117888006