Year Persons 2000-01-01 30175 2001-01-01 26075 2002-01-01 31300 2003-01-01 34275 2004-01-01 34675 2005-01-01 33225 2006-01-01 35650 2007-01-01 37550 2008-01-01 57350 2009-01-01 118650 2010-01-01 137300 2011-01-01 143075 2012-01-01 140275 2013-01-01 117725 2014-01-01 100200 2015-01-01 83925 2016-01-01 70350 2017-01-01 56075