Year Persons 2005-01-01 24112000 2006-01-01 24263000 2007-01-01 24054000 2008-01-01 23866000 2009-01-01 22937000 2010-01-01 22396000 2011-01-01 22421000 2012-01-01 22405000 2013-01-01 22286000 2014-01-01 22171000 2015-01-01 21993000 2016-01-01 22126000