Year Persons 1999-01-01 308450 2000-01-01 295275 2001-01-01 290025 2002-01-01 287925 2003-01-01 287400 2004-01-01 290250 2005-01-01 292850 2006-01-01 300600 2007-01-01 298800 2008-01-01 311025 2009-01-01 322525 2010-01-01 330225 2011-01-01 337025 2012-01-01 342825 2013-01-01 347725 2014-01-01 350400 2015-01-01 354075 2016-01-01 356050 2017-01-01 357250