Year Persons 2000-01-01 273875 2001-01-01 277475 2002-01-01 285725 2003-01-01 273150 2004-01-01 271375 2005-01-01 268625 2006-01-01 248750 2007-01-01 242675 2008-01-01 232675 2009-01-01 233450 2010-01-01 233825 2011-01-01 224900 2012-01-01 221725 2013-01-01 216800 2014-01-01 213400 2015-01-01 198950 2016-01-01 191250 2017-01-01 178700