Year Persons 2000-01-01 347075 2001-01-01 339500 2002-01-01 334125 2003-01-01 336775 2004-01-01 336375 2005-01-01 341050 2006-01-01 349700 2007-01-01 460550 2008-01-01 437725 2009-01-01 385625 2010-01-01 328325 2011-01-01 297425 2012-01-01 284975 2013-01-01 281525 2014-01-01 272725 2015-01-01 271575 2016-01-01 292000 2017-01-01 274750