Year Persons 2000-01-01 553100 2001-01-01 555200 2002-01-01 559275 2003-01-01 563450 2004-01-01 564225 2005-01-01 551500 2006-01-01 550050 2007-01-01 507550 2008-01-01 521850 2009-01-01 535825 2010-01-01 547275 2011-01-01 547175 2012-01-01 545250 2013-01-01 532300 2014-01-01 537425 2015-01-01 540825 2016-01-01 528775 2017-01-01 528650