Year Persons 1999-01-01 451425 2000-01-01 452275 2001-01-01 452775 2002-01-01 456650 2003-01-01 469925 2004-01-01 478825 2005-01-01 487150 2006-01-01 487350 2007-01-01 489700 2008-01-01 492525 2009-01-01 490550 2010-01-01 489400 2011-01-01 486325 2012-01-01 489575 2013-01-01 490375 2014-01-01 487650 2015-01-01 488825 2016-01-01 500025 2017-01-01 482100