Quarter	Persons
1998-01-01	575000
1998-04-01	573400
1998-07-01	571700
1998-10-01	570100
1999-01-01	568300
1999-04-01	566600
1999-07-01	564800
1999-10-01	563100
2000-01-01	561400
2000-04-01	559700
2000-07-01	558100
2000-10-01	556300
2001-01-01	571000
2001-04-01	575300
2001-07-01	579600
2001-10-01	583900
2002-01-01	586300
2002-04-01	586600
2002-07-01	586900
2002-10-01	587200
2003-01-01	587700
2003-04-01	588100
2003-07-01	588400
2003-10-01	588900
2004-01-01	589400
2004-04-01	590000
2004-07-01	590500
2004-10-01	591100
2005-01-01	592100
2005-04-01	593500
2005-07-01	594900
2005-10-01	596300
2006-01-01	598200
2006-04-01	600600
2006-07-01	602900
2006-10-01	605300
2007-01-01	607800
2007-04-01	610600
2007-07-01	613300
2007-10-01	616100
2008-01-01	618600
2008-04-01	620700
2008-07-01	622800
2008-10-01	624900
2009-01-01	626200
2009-04-01	626700
2009-07-01	627300
2009-10-01	627800
2010-01-01	628500
2010-04-01	629300
2010-07-01	630200
2010-10-01	631000
2011-01-01	631500
2011-04-01	631800
2011-07-01	632000
2011-10-01	632200
2012-01-01	632000
2012-04-01	631400
2012-07-01	630800
2012-10-01	630200
2013-01-01	630300
2013-04-01	631200
2013-07-01	632000
2013-10-01	632800
2014-01-01	633900
2014-04-01	635100
2014-07-01	636300
2014-10-01	637500
2015-01-01	638800
2015-04-01	640100
2015-07-01	641400
2015-10-01	642600
2016-01-01	643900
2016-04-01	645000
2016-07-01	646200
2016-10-01	647400
2017-01-01	648600
2017-04-01	649800
2017-07-01	651000
2017-10-01	652200
2018-01-01	653100
2018-04-01	653800