Year Persons 2000-01-01 5929475 2001-01-01 6035750 2002-01-01 6060675 2003-01-01 5914350 2004-01-01 5879900 2005-01-01 5850575 2006-01-01 5910075 2007-01-01 5959675 2008-01-01 5993050 2009-01-01 5923825 2010-01-01 5806000 2011-01-01 5726400 2012-01-01 5698725 2013-01-01 5603575 2014-01-01 5529075 2015-01-01 5519625 2016-01-01 5558625 2017-01-01 5597700