Year Persons 1999-01-01 301175 2000-01-01 278900 2001-01-01 245950 2002-01-01 216300 2003-01-01 199675 2004-01-01 171775 2005-01-01 156225 2006-01-01 155400 2007-01-01 152825 2008-01-01 144475 2009-01-01 122975 2010-01-01 120975 2011-01-01 118750 2012-01-01 118250 2013-01-01 135400 2014-01-01 151725 2015-01-01 157950 2016-01-01 172500 2017-01-01 176175