Year Persons 2000-01-01 344525 2001-01-01 339525 2002-01-01 338825 2003-01-01 326850 2004-01-01 313300 2005-01-01 316325 2006-01-01 322700 2007-01-01 335025 2008-01-01 331925 2009-01-01 324650 2010-01-01 312500 2011-01-01 323125 2012-01-01 327850 2013-01-01 327950 2014-01-01 333675 2015-01-01 324325 2016-01-01 305500 2017-01-01 299075