Quarter	Persons
1998-04-01	583800
1998-10-01	582800
1999-04-01	574500
1999-10-01	572300
2000-04-01	558800
2000-10-01	548400
2001-04-01	540400
2001-10-01	543600
2002-01-01	532800
2002-04-01	547600
2002-07-01	553500
2002-10-01	545800
2003-01-01	541200
2003-04-01	536500
2003-07-01	554200
2003-10-01	531000
2004-01-01	536800
2004-04-01	538000
2004-07-01	546400
2004-10-01	535700
2005-01-01	535700
2005-04-01	531800
2005-07-01	540800
2005-10-01	530000
2006-01-01	537200
2006-04-01	538800
2006-07-01	561300
2006-10-01	550400
2007-01-01	545500
2007-04-01	548900
2007-07-01	567400
2007-10-01	562600
2008-01-01	554200
2008-04-01	553200
2008-07-01	560200
2008-10-01	557100
2009-01-01	540000
2009-04-01	539800
2009-07-01	535600
2009-10-01	523100
2010-01-01	510300
2010-04-01	510100
2010-07-01	515000
2010-10-01	509000
2011-01-01	498000
2011-04-01	504800
2011-07-01	500100
2011-10-01	505800
2012-01-01	489200
2012-04-01	500600
2012-07-01	503100
2012-10-01	504800
2013-01-01	492300
2013-04-01	481200
2013-07-01	495700
2013-10-01	495500
2014-01-01	487400
2014-04-01	484300
2014-07-01	484500
2014-10-01	486600
2015-01-01	482100
2015-04-01	488300
2015-07-01	486600
2015-10-01	488300
2016-01-01	479900
2016-04-01	481000
2016-07-01	481400
2016-10-01	472500
2017-01-01	473100
2017-04-01	475300
2017-07-01	476200
2017-10-01	475200
2018-01-01	471300
2018-04-01	477300