Year	Number
2004-01-01	16030000
2005-01-01	19110000
2006-01-01	22990000
2007-01-01	27710000
2008-01-01	20780000
2009-01-01	19920000
2010-01-01	25850000
2011-01-01	30010000
2012-01-01	54553225
2013-01-01	76955460
2014-01-01	90823612
2015-01-01	103000155
2016-01-01	110211434
2017-01-01	120943261