Quarter	Persons
1998-04-01	505900
1999-01-01	506300
1999-04-01	506300
1999-07-01	506300
1999-10-01	505400
2000-01-01	509200
2000-04-01	509200
2000-07-01	509200
2000-10-01	509200
2001-01-01	513600
2001-04-01	513600
2001-07-01	513600
2001-10-01	513600
2002-01-01	529100
2002-04-01	529100
2002-07-01	529100
2002-10-01	529100
2003-01-01	543000
2003-04-01	543000
2003-07-01	543000
2003-10-01	543000
2004-01-01	555700
2004-04-01	555700
2004-07-01	564500
2004-10-01	555700
2005-01-01	570800
2005-04-01	574100
2005-07-01	579600
2005-10-01	582500
2006-01-01	589000
2006-04-01	595100
2006-07-01	599800
2006-10-01	604500
2007-01-01	609900
2007-04-01	615900
2007-07-01	623500
2007-10-01	625200
2008-01-01	629600
2008-04-01	633200
2008-07-01	637600
2008-10-01	640600
2009-01-01	643700
2009-04-01	646600
2009-07-01	650500
2009-10-01	653600
2010-01-01	657200
2010-04-01	661000
2010-07-01	665200
2010-10-01	668700
2011-01-01	671000
2011-04-01	672300
2011-07-01	673400
2011-10-01	674800
2012-01-01	675700
2012-04-01	677000
2012-07-01	679100
2012-10-01	681200
2013-01-01	683200
2013-04-01	685100
2013-07-01	686600
2013-10-01	689300
2014-01-01	691400
2014-04-01	694300
2014-07-01	696700
2014-10-01	699700
2015-01-01	702100
2015-04-01	704800
2015-07-01	708100
2015-10-01	710400
2016-01-01	713000
2016-04-01	716000
2016-07-01	718600
2016-10-01	721800
2017-01-01	718600
2017-04-01	720900
2017-07-01	723600
2017-10-01	726400
2018-01-01	728700
2018-04-01	732200