Year Persons 2008-01-01 40153000 2009-01-01 37371000 2010-01-01 36123000 2011-01-01 35868000 2012-01-01 35519000 2013-01-01 35499000 2014-01-01 36272000 2015-01-01 36460000 2016-01-01 37054000