Year Persons 2003-01-01 11300 2004-01-01 13050 2005-01-01 13025 2006-01-01 12550 2007-01-01 13425 2008-01-01 14475 2009-01-01 15100 2010-01-01 14800 2011-01-01 14800 2012-01-01 14450 2013-01-01 14075 2014-01-01 12225 2015-01-01 11175 2016-01-01 10150 2017-01-01 11325