Year Persons 2005-01-01 512135000 2006-01-01 520977000 2007-01-01 528616000 2008-01-01 531541000 2009-01-01 521331000 2010-01-01 521158000 2011-01-01 525460000 2012-01-01 529627000 2013-01-01 532222000 2014-01-01 538171000 2015-01-01 544797000 2016-01-01 552642000