Year Persons 2001-01-01 5738700 2002-01-01 5776175 2003-01-01 5820875 2004-01-01 5855250 2005-01-01 5897675 2006-01-01 5950800 2007-01-01 6002025 2008-01-01 6045775 2009-01-01 6080225 2010-01-01 6102850 2011-01-01 6114450 2012-01-01 6113975 2013-01-01 6120250 2014-01-01 6141350 2015-01-01 6170225 2016-01-01 6214200 2017-01-01 6289500