Quarter	Persons
1999-04-01	289700
2000-01-01	297300
2000-04-01	299300
2000-07-01	298900
2000-10-01	299400
2001-01-01	297400
2001-04-01	303300
2001-07-01	301600
2001-10-01	298700
2002-01-01	296900
2002-04-01	297000
2002-07-01	296800
2002-10-01	296900
2003-01-01	295600
2003-04-01	294700
2003-07-01	295100
2003-10-01	295400
2004-01-01	293200
2004-04-01	292500
2004-07-01	292700
2004-10-01	292900
2005-01-01	290800
2005-04-01	289900
2005-07-01	289700
2005-10-01	290800
2006-01-01	287500
2006-04-01	286400
2006-07-01	287900
2006-10-01	288500
2007-01-01	284600
2007-04-01	284200
2007-07-01	284900
2007-10-01	285500
2008-01-01	283100
2008-04-01	283400
2008-07-01	283400
2008-10-01	283400
2009-01-01	282100
2009-04-01	282100
2009-07-01	282100
2009-10-01	282100
2010-01-01	280200
2010-04-01	280200
2010-07-01	280200
2010-10-01	280200
2011-01-01	277500
2011-04-01	277600
2011-07-01	277600
2011-10-01	277600
2012-01-01	274500
2012-04-01	274900
2012-07-01	275100
2012-10-01	275400
2013-01-01	273400
2013-04-01	273400
2013-07-01	273600
2013-10-01	273700
2014-01-01	272300
2014-04-01	272300
2014-07-01	272500
2014-10-01	272200
2015-01-01	270800
2015-04-01	271100
2015-07-01	271400
2015-10-01	270900
2016-01-01	270000
2016-04-01	270000
2016-07-01	270500
2016-10-01	269600
2017-01-01	267400
2017-04-01	268300
2017-07-01	268200
2017-10-01	267900
2018-01-01	267000
2018-04-01	267300