Year Persons 2003-01-01 10950 2004-01-01 11425 2005-01-01 12425 2006-01-01 13275 2007-01-01 13950 2008-01-01 14350 2009-01-01 14075 2010-01-01 14200 2011-01-01 14225 2012-01-01 14775 2013-01-01 15900 2014-01-01 16475 2015-01-01 17125 2016-01-01 17475 2017-01-01 17750