Year Persons 1999-01-01 47725 2000-01-01 39650 2001-01-01 34750 2002-01-01 36475 2003-01-01 41200 2004-01-01 45250 2005-01-01 44500 2006-01-01 45275 2007-01-01 41800 2008-01-01 36925 2009-01-01 43475 2010-01-01 43200 2011-01-01 36450 2012-01-01 34500 2013-01-01 41500 2014-01-01 40825 2015-01-01 35250 2016-01-01 30575 2017-01-01 29225