Year Persons 2000-01-01 59300 2001-01-01 57275 2002-01-01 56200 2003-01-01 60225 2004-01-01 56300 2005-01-01 60700 2006-01-01 62250 2007-01-01 66600 2008-01-01 68675 2009-01-01 52375 2010-01-01 45025 2011-01-01 52975 2012-01-01 52125 2013-01-01 49625 2014-01-01 47975 2015-01-01 49300 2016-01-01 49325 2017-01-01 51600