Year	Persons
1998-01-01	22200
1999-01-01	22900
2000-01-01	22100
2001-01-01	22000
2002-01-01	20700
2003-01-01	20100
2004-01-01	19000
2005-01-01	18100
2006-01-01	17600
2007-01-01	17325
2008-01-01	12775
2009-01-01	13450
2010-01-01	12450
2011-01-01	13050
2012-01-01	12550
2013-01-01	11600
2014-01-01	13225
2015-01-01	11825
2016-01-01	11050
2017-01-01	9225