Quarter	Persons
1998-04-01	535300
1999-04-01	522500
2000-04-01	521500
2001-01-01	525300
2001-04-01	525500
2001-07-01	527000
2001-10-01	528600
2002-01-01	529200
2002-04-01	531600
2002-07-01	533200
2002-10-01	535200
2003-01-01	537100
2003-04-01	540200
2003-07-01	545200
2003-10-01	549700
2004-01-01	549300
2004-04-01	553100
2004-07-01	555300
2004-10-01	559700
2005-01-01	561200
2005-04-01	569400
2005-07-01	571400
2005-10-01	569700
2006-01-01	572000
2006-04-01	583800
2006-07-01	582500
2006-10-01	584800
2007-01-01	591900
2007-04-01	596900
2007-07-01	605000
2007-10-01	609600
2008-01-01	610900
2008-04-01	614000
2008-07-01	616000
2008-10-01	623400
2009-01-01	625600
2009-04-01	627800
2009-07-01	630000
2009-10-01	631600
2010-01-01	631800
2010-04-01	635100
2010-07-01	638900
2010-10-01	641400
2011-01-01	641200
2011-04-01	640400
2011-07-01	639700
2011-10-01	638800
2012-01-01	638100
2012-04-01	636500
2012-07-01	635600
2012-10-01	634500
2013-01-01	632100
2013-04-01	629000
2013-07-01	628200
2013-10-01	627000
2014-01-01	625300
2014-04-01	622600
2014-07-01	620200
2014-10-01	618900
2015-01-01	617400
2015-04-01	615000
2015-07-01	613000
2015-10-01	611400
2016-01-01	607500
2016-04-01	606200
2016-07-01	604500
2016-10-01	607400
2017-01-01	607400
2017-04-01	605900
2017-07-01	605000
2017-10-01	606200
2018-01-01	606000
2018-04-01	603400