Quarter	Persons
1999-01-01	589400
2000-01-01	575100
2000-04-01	626000
2000-07-01	675000
2000-10-01	666800
2001-01-01	667700
2001-04-01	650800
2001-07-01	649100
2001-10-01	616300
2002-01-01	591700
2002-04-01	585700
2002-07-01	589500
2002-10-01	560100
2003-01-01	532900
2003-04-01	546200
2003-07-01	563100
2003-10-01	548900
2004-01-01	526600
2004-04-01	543800
2004-07-01	575800
2004-10-01	551600
2005-01-01	525900
2005-04-01	548500
2005-07-01	614400
2005-10-01	585200
2006-01-01	564600
2006-04-01	601500
2006-07-01	629500
2006-10-01	609100
2007-01-01	595200
2007-04-01	610300
2007-07-01	649200
2007-10-01	638000
2008-01-01	637700
2008-04-01	628100
2008-07-01	653200
2008-10-01	624700
2009-01-01	622600
2009-04-01	599300
2009-07-01	595400
2009-10-01	573100
2010-01-01	552300
2010-04-01	543900
2010-07-01	564400
2010-10-01	505900
2011-01-01	457300
2011-04-01	485200
2011-07-01	480900
2011-10-01	458600
2012-01-01	452200
2012-04-01	466900
2012-07-01	446400
2012-10-01	434400
2013-01-01	405100
2013-04-01	433900
2013-07-01	436800
2013-10-01	423800
2014-01-01	437100
2014-04-01	466300
2014-07-01	446900
2014-10-01	431500
2015-01-01	423400
2015-04-01	440300
2015-07-01	437400
2015-10-01	430000
2016-01-01	463500
2016-04-01	475300
2016-07-01	448100
2016-10-01	464100
2017-01-01	468000
2017-04-01	475600
2017-07-01	467900
2017-10-01	464900
2018-01-01	475900
2018-04-01	510800