Year Persons 1998-01-01 626300 1999-01-01 637650 2000-01-01 640450 2001-01-01 635400 2002-01-01 632575 2003-01-01 631050 2004-01-01 628950 2005-01-01 632725 2006-01-01 633475 2007-01-01 638050 2008-01-01 637250 2009-01-01 639225 2010-01-01 641525 2011-01-01 639400 2012-01-01 641225 2013-01-01 638175 2014-01-01 632900 2015-01-01 623925 2016-01-01 618950 2017-01-01 611600