Year	Number
2005-01-01	139395
2006-01-01	113000
2007-01-01	148000
2008-01-01	155000
2009-01-01	171000
2010-01-01	240000
2011-01-01	242000
2012-01-01	593800
2013-01-01	711927
2014-01-01	926370
2015-01-01	1218338