Year Persons 2001-01-01 3212275 2002-01-01 3185900 2003-01-01 3172000 2004-01-01 3156000 2005-01-01 3189500 2006-01-01 3217175 2007-01-01 3246675 2008-01-01 3271600 2009-01-01 3277200 2010-01-01 3290975 2011-01-01 3330475 2012-01-01 3362150 2013-01-01 3402075 2014-01-01 3439075 2015-01-01 3490500 2016-01-01 3548400 2017-01-01 3626825