Quarter	Persons
1998-01-01	309900
1998-04-01	293300
1998-07-01	300800
1998-10-01	311900
1999-01-01	329900
1999-04-01	330500
1999-07-01	322900
1999-10-01	343700
2000-01-01	338400
2000-04-01	312000
2000-07-01	306900
2000-10-01	303800
2001-01-01	318200
2001-04-01	295600
2001-07-01	285400
2001-10-01	305900
2002-01-01	317200
2002-04-01	290200
2002-07-01	289300
2002-10-01	294800
2003-01-01	302800
2003-04-01	279600
2003-07-01	284800
2003-10-01	303900
2004-01-01	341700
2004-04-01	320400
2004-07-01	319600
2004-10-01	325800
2005-01-01	324000
2005-04-01	309600
2005-07-01	307600
2005-10-01	306800
2006-01-01	301000
2006-04-01	275800
2006-07-01	269600
2006-10-01	280000
2007-01-01	289100
2007-04-01	262900
2007-07-01	253600
2007-10-01	253500
2008-01-01	253400
2008-04-01	227700
2008-07-01	224300
2008-10-01	243700
2009-01-01	274900
2009-04-01	267000
2009-07-01	280700
2009-10-01	300800
2010-01-01	333500
2010-04-01	330200
2010-07-01	347800
2010-10-01	385800
2011-01-01	417300
2011-04-01	424700
2011-07-01	456700
2011-10-01	525800
2012-01-01	566700
2012-04-01	582700
2012-07-01	616400
2012-10-01	633800
2013-01-01	655400
2013-04-01	660500
2013-07-01	662400
2013-10-01	666200
2014-01-01	664500
2014-04-01	645600
2014-07-01	620700
2014-10-01	626800
2015-01-01	649100
2015-04-01	606800
2015-07-01	606600
2015-10-01	610200
2016-01-01	632400
2016-04-01	594800
2016-07-01	588000
2016-10-01	598400
2017-01-01	591200
2017-04-01	547100
2017-07-01	530200
2017-10-01	548600
2018-01-01	546300
2018-04-01	502700