Year Persons 2005-01-01 13555000 2006-01-01 12684000 2007-01-01 11812000 2008-01-01 12821000 2009-01-01 18033000 2010-01-01 18168000 2011-01-01 16798000 2012-01-01 16122000 2013-01-01 15604000 2014-01-01 14272000 2015-01-01 13092000 2016-01-01 12429000