Year Persons 2005-01-01 25300 2006-01-01 21700 2007-01-01 20900 2008-01-01 21700 2009-01-01 27700 2010-01-01 26550 2011-01-01 24375 2012-01-01 24175 2013-01-01 26850 2014-01-01 26275 2015-01-01 26025 2016-01-01 26050 2017-01-01 23950