Quarter	Persons
1998-01-01	19779200
1998-04-01	20050700
1998-07-01	20299700
1998-10-01	20233100
1999-01-01	20068400
1999-04-01	20291800
1999-07-01	20548000
1999-10-01	20521200
2000-01-01	20300400
2000-04-01	20619900
2000-07-01	20991200
2000-10-01	21098400
2001-01-01	20937000
2001-04-01	21045200
2001-07-01	21353100
2001-10-01	21341600
2002-01-01	21285200
2002-04-01	21416300
2002-07-01	21628900
2002-10-01	21581200
2003-01-01	21469200
2003-04-01	21716300
2003-07-01	21876700
2003-10-01	21777700
2004-01-01	21717800
2004-04-01	22044700
2004-07-01	22153000
2004-10-01	22164000
2005-01-01	21919300
2005-04-01	22145800
2005-07-01	22020200
2005-10-01	22156400
2006-01-01	22193100
2006-04-01	22562100
2006-07-01	22388400
2006-10-01	22409500
2007-01-01	22188700
2007-04-01	22576100
2007-07-01	22681900
2007-10-01	22622900
2008-01-01	22480200
2008-04-01	22860300
2008-07-01	22805600
2008-10-01	22648300
2009-01-01	22264100
2009-04-01	22505400
2009-07-01	22327300
2009-10-01	22200100
2010-01-01	22029700
2010-04-01	22263700
2010-07-01	22101000
2010-10-01	22212000
2011-01-01	22156600
2011-04-01	22335500
2011-07-01	22196100
2011-10-01	22171500
2012-01-01	22030300
2012-04-01	22288000
2012-07-01	22190100
2012-10-01	22088300
2013-01-01	21695300
2013-04-01	21776500
2013-07-01	21754400
2013-10-01	21795200
2014-01-01	21590000
2014-04-01	21840300
2014-07-01	21916700
2014-10-01	21891100
2015-01-01	21680500
2015-04-01	21985200
2015-07-01	22146800
2015-10-01	22078000
2016-01-01	21908400
2016-04-01	22428900
2016-07-01	22364500
2016-10-01	22262800
2017-01-01	22181500
2017-04-01	22512800
2017-07-01	22588800
2017-10-01	22491400
2018-01-01	22275000
2018-04-01	22807900