Year Persons 2003-01-01 20625 2004-01-01 21375 2005-01-01 23200 2006-01-01 24625 2007-01-01 25825 2008-01-01 26325 2009-01-01 26250 2010-01-01 26825 2011-01-01 27250 2012-01-01 28000 2013-01-01 29425 2014-01-01 31450 2015-01-01 32350 2016-01-01 32825 2017-01-01 33250