Year Persons 2000-01-01 568325 2001-01-01 564825 2002-01-01 563850 2003-01-01 560650 2004-01-01 558350 2005-01-01 557650 2006-01-01 554175 2007-01-01 549900 2008-01-01 546875 2009-01-01 543025 2010-01-01 538750 2011-01-01 533850 2012-01-01 527950 2013-01-01 521100 2014-01-01 515400 2015-01-01 510025 2016-01-01 507825 2017-01-01 503600