Year Persons 2005-01-01 23311000 2006-01-01 21644000 2007-01-01 19994000 2008-01-01 21398000 2009-01-01 30132000 2010-01-01 31003000 2011-01-01 29604000 2012-01-01 29947000 2013-01-01 30065000 2014-01-01 28311000 2015-01-01 26216000 2016-01-01 24690000