Year Persons 2000-01-01 326450 2001-01-01 339800 2002-01-01 353750 2003-01-01 368775 2004-01-01 382250 2005-01-01 396450 2006-01-01 406975 2007-01-01 421750 2008-01-01 435125 2009-01-01 445650 2010-01-01 454700 2011-01-01 461475 2012-01-01 468650 2013-01-01 475375 2014-01-01 483250 2015-01-01 493200 2016-01-01 506000 2017-01-01 517150