Year Persons 1999-01-01 2735925 2000-01-01 2506300 2001-01-01 1904050 2002-01-01 2170975 2003-01-01 2267125 2004-01-01 2233525 2005-01-01 1933550 2006-01-01 1840875 2007-01-01 1846150 2008-01-01 2595925 2009-01-01 4153550 2010-01-01 4640150 2011-01-01 5012675 2012-01-01 5811025 2013-01-01 6051125 2014-01-01 5610400 2015-01-01 5055975 2016-01-01 4481175 2017-01-01 3916925