Year Persons 2000-01-01 453800 2001-01-01 454950 2002-01-01 449125 2003-01-01 447250 2004-01-01 443175 2005-01-01 442300 2006-01-01 444625 2007-01-01 440825 2008-01-01 438600 2009-01-01 437600 2010-01-01 436500 2011-01-01 435075 2012-01-01 430200 2013-01-01 427075 2014-01-01 423250 2015-01-01 420575 2016-01-01 419525 2017-01-01 418150