Year Persons 1999-01-01 327325 2000-01-01 318175 2001-01-01 327000 2002-01-01 330925 2003-01-01 331875 2004-01-01 332725 2005-01-01 326400 2006-01-01 342000 2007-01-01 343700 2008-01-01 352900 2009-01-01 355650 2010-01-01 347500 2011-01-01 351075 2012-01-01 353250 2013-01-01 339675 2014-01-01 338725 2015-01-01 337800 2016-01-01 332725 2017-01-01 311550