Quarter	Persons
1999-01-01	460700
1999-04-01	463700
1999-07-01	450700
1999-10-01	461700
2000-01-01	486200
2000-04-01	470100
2000-07-01	468200
2000-10-01	472600
2001-01-01	477400
2001-04-01	481400
2001-07-01	453600
2001-10-01	455800
2002-01-01	480800
2002-04-01	469100
2002-07-01	454100
2002-10-01	481000
2003-01-01	466400
2003-04-01	460300
2003-07-01	453700
2003-10-01	476400
2004-01-01	468300
2004-04-01	460300
2004-07-01	439200
2004-10-01	477200
2005-01-01	471500
2005-04-01	472500
2005-07-01	472600
2005-10-01	481400
2006-01-01	491400
2006-04-01	481300
2006-07-01	463000
2006-10-01	469200
2007-01-01	472800
2007-04-01	481700
2007-07-01	485200
2007-10-01	498400
2008-01-01	503900
2008-04-01	480700
2008-07-01	466500
2008-10-01	485000
2009-01-01	499500
2009-04-01	505000
2009-07-01	498500
2009-10-01	536400
2010-01-01	527800
2010-04-01	530300
2010-07-01	542300
2010-10-01	545100
2011-01-01	548300
2011-04-01	551800
2011-07-01	546200
2011-10-01	563900
2012-01-01	570600
2012-04-01	570200
2012-07-01	578900
2012-10-01	585100
2013-01-01	590600
2013-04-01	607500
2013-07-01	597500
2013-10-01	622700
2014-01-01	616900
2014-04-01	611300
2014-07-01	581800
2014-10-01	596000
2015-01-01	600900
2015-04-01	597500
2015-07-01	594100
2015-10-01	592100
2016-01-01	586500
2016-04-01	568900
2016-07-01	563000
2016-10-01	578700
2017-01-01	613600
2017-04-01	606700
2017-07-01	594800
2017-10-01	606100
2018-01-01	616700
2018-04-01	591600