Year Persons 1999-01-01 171000 2000-01-01 178250 2001-01-01 185825 2002-01-01 183225 2003-01-01 199250 2004-01-01 188550 2005-01-01 189125 2006-01-01 183800 2007-01-01 179675 2008-01-01 176675 2009-01-01 191425 2010-01-01 219100 2011-01-01 226475 2012-01-01 251650 2013-01-01 271550 2014-01-01 275700 2015-01-01 273925 2016-01-01 246400 2017-01-01 268150