Quarter	Persons
1998-01-01	305200
1998-04-01	237700
1998-07-01	243300
1998-10-01	250000
1999-01-01	248900
1999-04-01	236200
1999-07-01	224000
1999-10-01	222500
2000-01-01	234300
2000-04-01	199000
2000-07-01	212700
2000-10-01	200400
2001-01-01	220400
2001-04-01	203800
2001-07-01	212000
2001-10-01	220500
2002-01-01	235500
2002-04-01	243300
2002-07-01	273700
2002-10-01	329200
2003-01-01	344300
2003-04-01	333100
2003-07-01	332800
2003-10-01	351500
2004-01-01	342900
2004-04-01	341900
2004-07-01	368600
2004-10-01	382900
2005-01-01	406200
2005-04-01	392400
2005-07-01	421000
2005-10-01	436600
2006-01-01	422700
2006-04-01	398700
2006-07-01	411500
2006-10-01	449400
2007-01-01	461900
2007-04-01	432600
2007-07-01	435500
2007-10-01	432500
2008-01-01	418800
2008-04-01	400900
2008-07-01	423000
2008-10-01	429100
2009-01-01	485200
2009-04-01	496800
2009-07-01	536200
2009-10-01	551600
2010-01-01	582000
2010-04-01	579900
2010-07-01	597400
2010-10-01	605500
2011-01-01	673200
2011-04-01	658700
2011-07-01	674500
2011-10-01	746200
2012-01-01	796700
2012-04-01	803300
2012-07-01	847000
2012-10-01	896000
2013-01-01	926800
2013-04-01	866300
2013-07-01	819900
2013-10-01	808000
2014-01-01	788100
2014-04-01	728900
2014-07-01	688900
2014-10-01	698300
2015-01-01	712900
2015-04-01	620400
2015-07-01	618800
2015-10-01	633900
2016-01-01	640100
2016-04-01	559300
2016-07-01	549500
2016-10-01	543200
2017-01-01	523900
2017-04-01	461400
2017-07-01	444000
2017-10-01	422000
2018-01-01	410100
2018-04-01	351800