Year Persons 2003-01-01 7100 2004-01-01 10200 2005-01-01 9100 2006-01-01 9700 2007-01-01 8600 2008-01-01 10750 2009-01-01 11650 2010-01-01 10050 2011-01-01 11550 2012-01-01 12800 2013-01-01 14800 2014-01-01 15200 2015-01-01 18350 2016-01-01 17475 2017-01-01 15775