Quarter	Persons
1998-01-01	352700
1998-04-01	353600
1998-07-01	353300
1998-10-01	361700
1999-01-01	344100
1999-04-01	339000
1999-07-01	347000
1999-10-01	345000
2000-01-01	339700
2000-04-01	336800
2000-07-01	347400
2000-10-01	352900
2001-01-01	351100
2001-04-01	346900
2001-07-01	349300
2001-10-01	344500
2002-01-01	333000
2002-04-01	336200
2002-07-01	334800
2002-10-01	340100
2003-01-01	331100
2003-04-01	339100
2003-07-01	343000
2003-10-01	342700
2004-01-01	347700
2004-04-01	340200
2004-07-01	337000
2004-10-01	335000
2005-01-01	336800
2005-04-01	332300
2005-07-01	337500
2005-10-01	341000
2006-01-01	347400
2006-04-01	345600
2006-07-01	349200
2006-10-01	353300
2007-01-01	348500
2007-04-01	346100
2007-07-01	339200
2007-10-01	345800
2008-01-01	352800
2008-04-01	347100
2008-07-01	352900
2008-10-01	361600
2009-01-01	358500
2009-04-01	363700
2009-07-01	364300
2009-10-01	366100
2010-01-01	358300
2010-04-01	358200
2010-07-01	358400
2010-10-01	356000
2011-01-01	364600
2011-04-01	364200
2011-07-01	367300
2011-10-01	377300
2012-01-01	370100
2012-04-01	367400
2012-07-01	363600
2012-10-01	374800
2013-01-01	378200
2013-04-01	369200
2013-07-01	374200
2013-10-01	371000
2014-01-01	375400
2014-04-01	374400
2014-07-01	367000
2014-10-01	369200
2015-01-01	358500
2015-04-01	355500
2015-07-01	354900
2015-10-01	361500
2016-01-01	361700
2016-04-01	353700
2016-07-01	354200
2016-10-01	346200
2017-01-01	344100
2017-04-01	330600
2017-07-01	324800
2017-10-01	326400
2018-01-01	311300
2018-04-01	307400