Year Persons 2000-01-01 28871100 2001-01-01 29040350 2002-01-01 29207275 2003-01-01 29082650 2004-01-01 29167700 2005-01-01 29188575 2006-01-01 29283400 2007-01-01 29212375 2008-01-01 29090900 2009-01-01 29104725 2010-01-01 28609375 2011-01-01 28604975 2012-01-01 28577325 2013-01-01 28526550 2014-01-01 28451875 2015-01-01 28410300 2016-01-01 28081600 2017-01-01 27982750