Quarter	Persons
1999-04-01	638900
2000-01-01	662300
2000-04-01	660700
2000-07-01	672700
2000-10-01	667400
2001-01-01	654300
2001-04-01	652500
2001-07-01	666600
2001-10-01	662400
2002-01-01	641100
2002-04-01	636700
2002-07-01	646500
2002-10-01	653500
2003-01-01	640000
2003-04-01	652200
2003-07-01	660300
2003-10-01	653200
2004-01-01	645700
2004-04-01	650400
2004-07-01	651000
2004-10-01	640800
2005-01-01	644400
2005-04-01	651800
2005-07-01	641300
2005-10-01	650600
2006-01-01	663700
2006-04-01	674900
2006-07-01	661600
2006-10-01	666100
2007-01-01	660400
2007-04-01	668600
2007-07-01	667900
2007-10-01	658400
2008-01-01	657700
2008-04-01	659100
2008-07-01	680200
2008-10-01	681400
2009-01-01	664100
2009-04-01	663900
2009-07-01	673400
2009-10-01	661400
2010-01-01	663200
2010-04-01	659400
2010-07-01	661600
2010-10-01	661700
2011-01-01	660200
2011-04-01	663600
2011-07-01	674600
2011-10-01	663400
2012-01-01	657600
2012-04-01	658200
2012-07-01	665000
2012-10-01	653200
2013-01-01	654000
2013-04-01	659300
2013-07-01	652800
2013-10-01	652400
2014-01-01	638000
2014-04-01	650100
2014-07-01	657400
2014-10-01	648000
2015-01-01	639000
2015-04-01	655600
2015-07-01	668200
2015-10-01	654200
2016-01-01	640800
2016-04-01	667200
2016-07-01	672300
2016-10-01	652400
2017-01-01	654700
2017-04-01	667100
2017-07-01	667700
2017-10-01	671100
2018-01-01	665200
2018-04-01	664500