Year Persons 1999-01-01 285625 2000-01-01 290325 2001-01-01 286550 2002-01-01 293800 2003-01-01 301225 2004-01-01 282725 2005-01-01 282900 2006-01-01 287900 2007-01-01 284625 2008-01-01 296150 2009-01-01 297575 2010-01-01 300725 2011-01-01 313875 2012-01-01 319850 2013-01-01 319575 2014-01-01 317775 2015-01-01 321025 2016-01-01 334800 2017-01-01 319150