Quarter	Persons
1998-04-01	608700
1999-04-01	579900
2000-01-01	570400
2000-04-01	586000
2000-07-01	596200
2000-10-01	588500
2001-01-01	580300
2001-04-01	582200
2001-07-01	598600
2001-10-01	597400
2002-01-01	583600
2002-04-01	588400
2002-07-01	596000
2002-10-01	591500
2003-01-01	584600
2003-04-01	596200
2003-07-01	616200
2003-10-01	614800
2004-01-01	599800
2004-04-01	604100
2004-07-01	601000
2004-10-01	602700
2005-01-01	600700
2005-04-01	616200
2005-07-01	619400
2005-10-01	625900
2006-01-01	638400
2006-04-01	654900
2006-07-01	656400
2006-10-01	657100
2007-01-01	649100
2007-04-01	660300
2007-07-01	664100
2007-10-01	656900
2008-01-01	656900
2008-04-01	655400
2008-07-01	659400
2008-10-01	652300
2009-01-01	610000
2009-04-01	590300
2009-07-01	596800
2009-10-01	578400
2010-01-01	551600
2010-04-01	556400
2010-07-01	574100
2010-10-01	589800
2011-01-01	585400
2011-04-01	597000
2011-07-01	621800
2011-10-01	608700
2012-01-01	604500
2012-04-01	614000
2012-07-01	625800
2012-10-01	615400
2013-01-01	610100
2013-04-01	632100
2013-07-01	627100
2013-10-01	616100
2014-01-01	605800
2014-04-01	629500
2014-07-01	633700
2014-10-01	630300
2015-01-01	623100
2015-04-01	640100
2015-07-01	661000
2015-10-01	639400
2016-01-01	630000
2016-04-01	657000
2016-07-01	653300
2016-10-01	638200
2017-01-01	646800
2017-04-01	653500
2017-07-01	666600
2017-10-01	667400
2018-01-01	650500
2018-04-01	666600