Year Persons 1999-01-01 6781200 2000-01-01 6569375 2001-01-01 6796525 2002-01-01 6502825 2003-01-01 6333300 2004-01-01 6214025 2005-01-01 6099025 2006-01-01 5915375 2007-01-01 5839050 2008-01-01 5660700 2009-01-01 5444775 2010-01-01 5266000 2011-01-01 5098450 2012-01-01 4920875 2013-01-01 4824425 2014-01-01 4776925 2015-01-01 4727500 2016-01-01 4695350 2017-01-01 4753000