Year	Number
2004-01-01	118362
2005-01-01	116850
2006-01-01	174101
2007-01-01	191236
2008-01-01	198159
2009-01-01	220322
2010-01-01	225193
2011-01-01	615874
2012-01-01	924597
2013-01-01	1051433
2014-01-01	1263493
2015-01-01	1364907
2016-01-01	1359121