Year Persons 2000-01-01 6070325 2001-01-01 6144150 2002-01-01 6117800 2003-01-01 6167800 2004-01-01 6165900 2005-01-01 6172350 2006-01-01 6157475 2007-01-01 6278675 2008-01-01 6248150 2009-01-01 6246750 2010-01-01 6311625 2011-01-01 6282375 2012-01-01 6149300 2013-01-01 6019850 2014-01-01 5947575 2015-01-01 5887625 2016-01-01 5780400 2017-01-01 5658625