Quarter	Persons
1999-04-01	12265300
1999-07-01	12275300
1999-10-01	12285200
2000-01-01	12295200
2000-04-01	12303000
2000-07-01	12307200
2000-10-01	12312700
2001-01-01	12318500
2001-04-01	12320700
2001-07-01	12316200
2001-10-01	12295700
2002-01-01	12276700
2002-04-01	12255900
2002-07-01	12239000
2002-10-01	12227900
2003-01-01	12216400
2003-04-01	12204200
2003-07-01	12195600
2003-10-01	12191100
2004-01-01	12190100
2004-04-01	12187800
2004-07-01	12193600
2004-10-01	12220300
2005-01-01	12239700
2005-04-01	12254600
2005-07-01	12282500
2005-10-01	12295500
2006-01-01	12318900
2006-04-01	12337000
2006-07-01	12348600
2006-10-01	12370200
2007-01-01	12395300
2007-04-01	12418300
2007-07-01	12442200
2007-10-01	12465200
2008-01-01	12487800
2008-04-01	12521000
2008-07-01	12536700
2008-10-01	12560800
2009-01-01	12584900
2009-04-01	12608400
2009-07-01	12614900
2009-10-01	12625000
2010-01-01	12645600
2010-04-01	12666000
2010-07-01	12686100
2010-10-01	12711900
2011-01-01	12728600
2011-04-01	12745100
2011-07-01	12758100
2011-10-01	12763900
2012-01-01	12763000
2012-04-01	12768700
2012-07-01	12780200
2012-10-01	12792600
2013-01-01	12802800
2013-04-01	12814300
2013-07-01	12819600
2013-10-01	12839900
2014-01-01	12854100
2014-04-01	12860000
2014-07-01	12880100
2014-10-01	12895600
2015-01-01	12916500
2015-04-01	12934700
2015-07-01	12953300
2015-10-01	12965800
2016-01-01	12982300
2016-04-01	12997600
2016-07-01	13001500
2016-10-01	13012800
2017-01-01	13020000
2017-04-01	13030800
2017-07-01	13030900
2017-10-01	13035300
2018-01-01	13037400
2018-04-01	13041300