Year	Persons
2000-01-01	20872375
2001-01-01	20815775
2002-01-01	20749025
2003-01-01	20659625
2004-01-01	20660525
2005-01-01	20864775
2006-01-01	21107625
2007-01-01	21240675
2008-01-01	21483950
2009-01-01	21677200
2010-01-01	21775625
2011-01-01	21991450
2012-01-01	22123900
2013-01-01	22236775
2014-01-01	22404200
2015-01-01	22465225
2016-01-01	22606100
2017-01-01	22769125