Year	Persons
2003-01-01	17400
2004-01-01	18100
2005-01-01	17700
2006-01-01	18200
2007-01-01	18725
2008-01-01	18850
2009-01-01	18850
2010-01-01	20850
2011-01-01	22200
2012-01-01	21875
2013-01-01	21775
2014-01-01	21275
2015-01-01	21450
2016-01-01	23775
2017-01-01	23875