Year Persons 2006-01-01 4542675 2007-01-01 4721475 2008-01-01 4925725 2009-01-01 5136350 2010-01-01 5355250 2011-01-01 5612800 2012-01-01 5885350 2013-01-01 6140850 2014-01-01 6394425 2015-01-01 6620375 2016-01-01 6882600 2017-01-01 7182150