Year	Number
2004-01-01	378568
2005-01-01	778789
2006-01-01	427041
2007-01-01	469041
2008-01-01	543237
2009-01-01	576922
2010-01-01	659923
2011-01-01	783366
2012-01-01	942045
2013-01-01	1035959
2014-01-01	1206580
2015-01-01	1391472
2016-01-01	1642048