Year Persons 2000-01-01 317625 2001-01-01 311550 2002-01-01 324750 2003-01-01 332850 2004-01-01 322125 2005-01-01 349775 2006-01-01 387750 2007-01-01 392625 2008-01-01 424975 2009-01-01 522500 2010-01-01 523750 2011-01-01 570250 2012-01-01 577800 2013-01-01 546050 2014-01-01 442950 2015-01-01 380025 2016-01-01 339450 2017-01-01 301550