Year	Number
2004-01-01	205700
2005-01-01	295993
2006-01-01	352904
2007-01-01	417285
2008-01-01	392747
2009-01-01	423173
2010-01-01	553998
2011-01-01	629618
2012-01-01	757902
2013-01-01	892332
2014-01-01	1070009
2015-01-01	1100906