Year	Persons
1998-01-01	19456500
1999-01-01	19427775
2000-01-01	19410225
2001-01-01	19387775
2002-01-01	19382625
2003-01-01	19383525
2004-01-01	19211500
2005-01-01	19256975
2006-01-01	19258200
2007-01-01	19301800
2008-01-01	19448975
2009-01-01	19566725
2010-01-01	19646500
2011-01-01	19711325
2012-01-01	19706050
2013-01-01	19715525
2014-01-01	19691850
2015-01-01	19620725
2016-01-01	19529100
2017-01-01	19440775