Year Persons 2005-01-01 626800 2006-01-01 635400 2007-01-01 646900 2008-01-01 644200 2009-01-01 643100 2010-01-01 623400 2011-01-01 628700 2012-01-01 615000 2013-01-01 626700 2014-01-01 628800 2015-01-01 616700 2016-01-01 620550 2017-01-01 617675