Quarter	Persons
1998-01-01	12275600
1998-04-01	12520500
1998-07-01	12653600
1998-10-01	12565800
1999-01-01	12610700
1999-04-01	12825100
1999-07-01	12923000
1999-10-01	12868500
2000-01-01	12871800
2000-04-01	13181900
2000-07-01	13328200
2000-10-01	13389700
2001-01-01	13351200
2001-04-01	13477100
2001-07-01	13697400
2001-10-01	13664300
2002-01-01	13729300
2002-04-01	13810500
2002-07-01	13861500
2002-10-01	13806000
2003-01-01	13848100
2003-04-01	14010400
2003-07-01	14053700
2003-10-01	13928900
2004-01-01	14450500
2004-04-01	14547300
2004-07-01	14502500
2004-10-01	14516300
2005-01-01	14520300
2005-04-01	14628500
2005-07-01	14423200
2005-10-01	14506500
2006-01-01	14753500
2006-04-01	15061200
2006-07-01	14803200
2006-10-01	14779700
2007-01-01	14721700
2007-04-01	14976900
2007-07-01	15069800
2007-10-01	15101300
2008-01-01	15277800
2008-04-01	15520700
2008-07-01	15366900
2008-10-01	15255500
2009-01-01	15138600
2009-04-01	15402600
2009-07-01	15240900
2009-10-01	15115000
2010-01-01	15174500
2010-04-01	15332400
2010-07-01	15175400
2010-10-01	15250500
2011-01-01	15319400
2011-04-01	15454800
2011-07-01	15357100
2011-10-01	15362900
2012-01-01	15340500
2012-04-01	15597100
2012-07-01	15604300
2012-10-01	15491300
2013-01-01	15341200
2013-04-01	15498900
2013-07-01	15392700
2013-10-01	15325400
2014-01-01	15350600
2014-04-01	15520300
2014-07-01	15519000
2014-10-01	15505100
2015-01-01	15497100
2015-04-01	15647500
2015-07-01	15724200
2015-10-01	15716300
2016-01-01	15720100
2016-04-01	16067400
2016-07-01	15958300
2016-10-01	15970200
2017-01-01	16005400
2017-04-01	16246000
2017-07-01	16276200
2017-10-01	16133800
2018-01-01	16112000
2018-04-01	16480800