Year Persons 1998-01-01 161000 1999-01-01 149100 2000-01-01 147475 2001-01-01 146825 2002-01-01 150325 2003-01-01 152425 2004-01-01 154300 2005-01-01 154325 2006-01-01 148350 2007-01-01 147650 2008-01-01 146850 2009-01-01 159900 2010-01-01 161825 2011-01-01 157100 2012-01-01 155775 2013-01-01 156650 2014-01-01 153050 2015-01-01 151525 2016-01-01 150900 2017-01-01 146000