Year	Persons
1998-01-01	9150
1999-01-01	12900
2000-01-01	14075
2001-01-01	13100
2002-01-01	11975
2003-01-01	14575
2004-01-01	18625
2005-01-01	18150
2006-01-01	21550
2007-01-01	19450
2008-01-01	15600
2009-01-01	24950
2010-01-01	29100
2011-01-01	26575
2012-01-01	26250
2013-01-01	25200
2014-01-01	21475
2015-01-01	18600
2016-01-01	18000
2017-01-01	9650