Year	Number
2004-01-01	521000
2005-01-01	613000
2006-01-01	664000
2007-01-01	712000
2008-01-01	836000
2009-01-01	888000
2010-01-01	983000
2011-01-01	1124154
2012-01-01	1274367
2013-01-01	1396004
2014-01-01	1493842
2015-01-01	1608567
2016-01-01	1689087