Quarter	Persons
1998-01-01	22480200
1998-04-01	22850800
1998-07-01	22957300
1998-10-01	23015500
1999-01-01	22812400
1999-04-01	23011800
1999-07-01	23134900
1999-10-01	23112500
2000-01-01	22939900
2000-04-01	23156200
2000-07-01	23388200
2000-10-01	23471800
2001-01-01	23310200
2001-04-01	23307400
2001-07-01	23538900
2001-10-01	23557600
2002-01-01	23470500
2002-04-01	23617100
2002-07-01	23713400
2002-10-01	23723900
2003-01-01	23647100
2003-04-01	23855600
2003-07-01	23866700
2003-10-01	23819100
2004-01-01	23803500
2004-04-01	23950800
2004-07-01	23921500
2004-10-01	24156900
2005-01-01	23917000
2005-04-01	23969600
2005-07-01	23726400
2005-10-01	24120700
2006-01-01	24043300
2006-04-01	24155900
2006-07-01	23856000
2006-10-01	24095300
2007-01-01	23718600
2007-04-01	23962600
2007-07-01	24057600
2007-10-01	24244200
2008-01-01	24203300
2008-04-01	24531700
2008-07-01	24307100
2008-10-01	24384000
2009-01-01	24205000
2009-04-01	24308000
2009-07-01	24102000
2009-10-01	24292400
2010-01-01	24247900
2010-04-01	24308100
2010-07-01	23920100
2010-10-01	24335600
2011-01-01	24258700
2011-04-01	24234500
2011-07-01	24055700
2011-10-01	24539400
2012-01-01	24753500
2012-04-01	24928900
2012-07-01	24622200
2012-10-01	25025000
2013-01-01	24912000
2013-04-01	24793400
2013-07-01	24560900
2013-10-01	24998900
2014-01-01	25026800
2014-04-01	24937600
2014-07-01	24886800
2014-10-01	25305900
2015-01-01	24973200
2015-04-01	25079700
2015-07-01	24813200
2015-10-01	25121500
2016-01-01	24987900
2016-04-01	25411200
2016-07-01	25163000
2016-10-01	25410500
2017-01-01	25308400
2017-04-01	25341000
2017-07-01	25317900
2017-10-01	25391100
2018-01-01	25262500
2018-04-01	25598200