Year Persons 1999-01-01 5875 2000-01-01 7425 2001-01-01 8025 2002-01-01 9400 2003-01-01 9600 2004-01-01 11675 2005-01-01 15825 2006-01-01 16650 2007-01-01 18525 2008-01-01 21625 2009-01-01 29525 2010-01-01 39475 2011-01-01 50150 2012-01-01 47025 2013-01-01 46900 2014-01-01 39725 2015-01-01 38150 2016-01-01 30975 2017-01-01 25350