Year Persons 1998-01-01 303975 1999-01-01 331750 2000-01-01 315275 2001-01-01 301275 2002-01-01 297875 2003-01-01 292775 2004-01-01 326875 2005-01-01 312000 2006-01-01 281600 2007-01-01 264775 2008-01-01 237275 2009-01-01 280850 2010-01-01 349325 2011-01-01 456125 2012-01-01 599900 2013-01-01 661125 2014-01-01 639400 2015-01-01 618175 2016-01-01 603400 2017-01-01 554275