Quarter	Persons
1999-01-01	17101400
1999-04-01	17178900
1999-07-01	17261800
1999-10-01	17318600
2000-01-01	17429300
2000-04-01	17537400
2000-07-01	17647100
2000-10-01	17758100
2001-01-01	17867200
2001-04-01	17976700
2001-07-01	18085100
2001-10-01	18194200
2002-01-01	18405900
2002-04-01	18552000
2002-07-01	18690500
2002-10-01	18835100
2003-01-01	18965400
2003-04-01	19089400
2003-07-01	19206400
2003-10-01	19328700
2004-01-01	19439700
2004-04-01	19552400
2004-07-01	19671100
2004-10-01	19822100
2005-01-01	19974500
2005-04-01	20117900
2005-07-01	20225900
2005-10-01	20341000
2006-01-01	20446100
2006-04-01	20554800
2006-07-01	20672200
2006-10-01	20803900
2007-01-01	20942200
2007-04-01	21065100
2007-07-01	21183300
2007-10-01	21308400
2008-01-01	21400300
2008-04-01	21478700
2008-07-01	21545300
2008-10-01	21603700
2009-01-01	21637800
2009-04-01	21660400
2009-07-01	21676200
2009-10-01	21692100
2010-01-01	21693400
2010-04-01	21691000
2010-07-01	21687100
2010-10-01	21685700
2011-01-01	21673800
2011-04-01	21660500
2011-07-01	21645600
2011-10-01	21632500
2012-01-01	21587000
2012-04-01	21530000
2012-07-01	21465000
2012-10-01	21401100
2013-01-01	21322300
2013-04-01	21236300
2013-07-01	21125900
2013-10-01	21030800
2014-01-01	20933100
2014-04-01	20904100
2014-07-01	20843200
2014-10-01	20793700
2015-01-01	20738800
2015-04-01	20672800
2015-07-01	20605400
2015-10-01	20528500
2016-01-01	20467000
2016-04-01	20405200
2016-07-01	20349800
2016-10-01	20304000
2017-01-01	20259000
2017-04-01	20216100
2017-07-01	20186100
2017-10-01	20171000
2018-01-01	20153900
2018-04-01	20132700
2018-07-01	20120100