Quarter	Persons
1998-04-01	875500
1998-10-01	875500
1999-04-01	875700
1999-10-01	876500
2000-04-01	877900
2000-10-01	877900
2001-04-01	855500
2001-10-01	856100
2002-01-01	849800
2002-04-01	849300
2002-07-01	847800
2002-10-01	849300
2003-01-01	847100
2003-04-01	846600
2003-07-01	847600
2003-10-01	847800
2004-01-01	846500
2004-04-01	846500
2004-07-01	847100
2004-10-01	847100
2005-01-01	842300
2005-04-01	841100
2005-07-01	842800
2005-10-01	841400
2006-01-01	838100
2006-04-01	839200
2006-07-01	839800
2006-10-01	839800
2007-01-01	836700
2007-04-01	836700
2007-07-01	836700
2007-10-01	836700
2008-01-01	833400
2008-04-01	833400
2008-07-01	833400
2008-10-01	833400
2009-01-01	820400
2009-04-01	820400
2009-07-01	820400
2009-10-01	820400
2010-01-01	801300
2010-04-01	801300
2010-07-01	801300
2010-10-01	801300
2011-01-01	783200
2011-04-01	783200
2011-07-01	783200
2011-10-01	783200
2012-01-01	768900
2012-04-01	768900
2012-07-01	768900
2012-10-01	768900
2013-01-01	762500
2013-04-01	762500
2013-07-01	762500
2013-10-01	762500
2014-01-01	750500
2014-04-01	748400
2014-07-01	746800
2014-10-01	745900
2015-01-01	743400
2015-04-01	741600
2015-07-01	739900
2015-10-01	738400
2016-01-01	734600
2016-04-01	733700
2016-07-01	732000
2016-10-01	730800
2017-01-01	723700
2017-04-01	721300
2017-07-01	719300
2017-10-01	717900
2018-01-01	716700
2018-04-01	717000