Year Persons 2000-01-01 55975 2001-01-01 47975 2002-01-01 42000 2003-01-01 36925 2004-01-01 37700 2005-01-01 30675 2006-01-01 21900 2007-01-01 19050 2008-01-01 20425 2009-01-01 58300 2010-01-01 66275 2011-01-01 45475 2012-01-01 37900 2013-01-01 31475 2014-01-01 27275 2015-01-01 21800 2016-01-01 26400 2017-01-01 22300