Year	Number
2004-01-01	109341279
2005-01-01	109615294
2006-01-01	109989023
2007-01-01	109781773
2008-01-01	110019517
2009-01-01	112995832
2010-01-01	117051992
2011-01-01	121911580
2012-01-01	127209652
2013-01-01	136017475
2014-01-01	143881525
2015-01-01	151734782
2016-01-01	160117579
2017-01-01	167724548