Year Persons 1998-01-01 336575 1999-01-01 318600 2000-01-01 301900 2001-01-01 302125 2002-01-01 294475 2003-01-01 278325 2004-01-01 254050 2005-01-01 240725 2006-01-01 231300 2007-01-01 227175 2008-01-01 224175 2009-01-01 215400 2010-01-01 195175 2011-01-01 202400 2012-01-01 194575 2013-01-01 185325 2014-01-01 184700 2015-01-01 178200 2016-01-01 168675 2017-01-01 173725