Year	Persons
2003-01-01	17600
2004-01-01	17500
2005-01-01	17300
2006-01-01	17600
2007-01-01	17275
2008-01-01	16500
2009-01-01	17150
2010-01-01	17600
2011-01-01	18250
2012-01-01	18125
2013-01-01	18775
2014-01-01	18600
2015-01-01	20350
2016-01-01	21425
2017-01-01	21950