Year	Persons
2000-01-01	19960925
2001-01-01	20007400
2002-01-01	19917275
2003-01-01	19879875
2004-01-01	19942625
2005-01-01	20146450
2006-01-01	20265075
2007-01-01	20438625
2008-01-01	20591075
2009-01-01	20409875
2010-01-01	20451450
2011-01-01	20644875
2012-01-01	20807475
2013-01-01	20978350
2014-01-01	21378125
2015-01-01	21562325
2016-01-01	21784300
2017-01-01	22041150