Year Persons 2000-01-01 6432750 2001-01-01 6245975 2002-01-01 6077950 2003-01-01 5958625 2004-01-01 6070250 2005-01-01 6240400 2006-01-01 6406775 2007-01-01 6597875 2008-01-01 6799925 2009-01-01 6792775 2010-01-01 6570250 2011-01-01 6593875 2012-01-01 6563100 2013-01-01 6517825 2014-01-01 6576875 2015-01-01 6635200 2016-01-01 6658800 2017-01-01 6733975