Quarter	Persons
1998-04-01	682700
1999-01-01	683000
1999-04-01	680900
1999-07-01	681400
1999-10-01	686600
2000-01-01	689700
2000-04-01	689000
2000-07-01	688900
2000-10-01	689800
2001-01-01	690900
2001-04-01	691800
2001-07-01	689600
2001-10-01	688700
2002-01-01	688900
2002-04-01	689200
2002-07-01	693400
2002-10-01	693800
2003-01-01	692200
2003-04-01	693000
2003-07-01	694100
2003-10-01	694100
2004-01-01	692400
2004-04-01	693800
2004-07-01	692700
2004-10-01	693000
2005-01-01	689300
2005-04-01	689600
2005-07-01	690000
2005-10-01	689700
2006-01-01	687100
2006-04-01	690400
2006-07-01	692600
2006-10-01	692400
2007-01-01	690100
2007-04-01	691700
2007-07-01	690900
2007-10-01	690200
2008-01-01	690500
2008-04-01	691500
2008-07-01	689700
2008-10-01	690400
2009-01-01	687800
2009-04-01	687100
2009-07-01	685600
2009-10-01	688300
2010-01-01	692500
2010-04-01	687500
2010-07-01	689400
2010-10-01	693500
2011-01-01	691000
2011-04-01	691600
2011-07-01	690000
2011-10-01	687400
2012-01-01	690500
2012-04-01	684400
2012-07-01	688500
2012-10-01	687000
2013-01-01	680200
2013-04-01	683900
2013-07-01	681600
2013-10-01	682400
2014-01-01	681000
2014-04-01	680000
2014-07-01	675500
2014-10-01	674800
2015-01-01	672800
2015-04-01	672800
2015-07-01	669600
2015-10-01	671800
2016-01-01	669200
2016-04-01	667300
2016-07-01	667800
2016-10-01	668700
2017-01-01	665500
2017-04-01	663900
2017-07-01	664000
2017-10-01	663700
2018-01-01	659100
2018-04-01	658300