Quarter	Persons
1999-01-01	621100
1999-04-01	605400
1999-07-01	608400
1999-10-01	620000
2000-01-01	625500
2000-04-01	620000
2000-07-01	597300
2000-10-01	613800
2001-01-01	611500
2001-04-01	613100
2001-07-01	592700
2001-10-01	612300
2002-01-01	599500
2002-04-01	603900
2002-07-01	619600
2002-10-01	635300
2003-01-01	634400
2003-04-01	627900
2003-07-01	635200
2003-10-01	619900
2004-01-01	607700
2004-04-01	590900
2004-07-01	574000
2004-10-01	595200
2005-01-01	587600
2005-04-01	593300
2005-07-01	572500
2005-10-01	569300
2006-01-01	581100
2006-04-01	567500
2006-07-01	573600
2006-10-01	589300
2007-01-01	589900
2007-04-01	562200
2007-07-01	561700
2007-10-01	580900
2008-01-01	588500
2008-04-01	577000
2008-07-01	559200
2008-10-01	579900
2009-01-01	592500
2009-04-01	571700
2009-07-01	557100
2009-10-01	569900
2010-01-01	578000
2010-04-01	574500
2010-07-01	576500
2010-10-01	571100
2011-01-01	604900
2011-04-01	594400
2011-07-01	584000
2011-10-01	588400
2012-01-01	592000
2012-04-01	604700
2012-07-01	589000
2012-10-01	586900
2013-01-01	605500
2013-04-01	590000
2013-07-01	577700
2013-10-01	595000
2014-01-01	589700
2014-04-01	572700
2014-07-01	579700
2014-10-01	585100
2015-01-01	595700
2015-04-01	577800
2015-07-01	563400
2015-10-01	590200
2016-01-01	605400
2016-04-01	585800
2016-07-01	586400
2016-10-01	575300
2017-01-01	567400
2017-04-01	563100
2017-07-01	541200
2017-10-01	543800
2018-01-01	548800
2018-04-01	537800