Quarter	Persons, Seasonally Adjusted
1999-04-01	15721585.162202401
1999-07-01	15789277.449639800
1999-10-01	15800771.104789400
2000-01-01	15783570.842269000
2000-04-01	15828331.638837600
2000-07-01	15803694.077357601
2000-10-01	15806303.441535799
2001-01-01	15848676.921215700
2001-04-01	15798231.923618500
2001-07-01	15888585.858898400
2001-10-01	15907605.296267500
2002-01-01	15902546.453240000
2002-04-01	15909761.546478900
2002-07-01	15958038.054123500
2002-10-01	16046453.946157600
2003-01-01	16055656.186332500
2003-04-01	16103652.379047200
2003-07-01	16148549.204368899
2003-10-01	16109542.230251400
2004-01-01	16159210.928450700
2004-04-01	16122957.034894300
2004-07-01	16163618.435863000
2004-10-01	16255513.600791901
2005-01-01	16313635.583403600
2005-04-01	16248446.296756600
2005-07-01	16321770.713957999
2005-10-01	16427047.405881800
2006-01-01	16473415.019009601
2006-04-01	16550764.555493798
2006-07-01	16661826.396368098
2006-10-01	16634694.029128500
2007-01-01	16651268.428990800
2007-04-01	16687885.662009700
2007-07-01	16742863.437121902
2007-10-01	16764982.471877702
2008-01-01	16859630.973592900
2008-04-01	16902715.359012400
2008-07-01	16915916.769451400
2008-10-01	16983636.897943300
2009-01-01	16997607.060584700
2009-04-01	16931987.089269802
2009-07-01	16900894.681307200
2009-10-01	16848811.168838300
2010-01-01	16860412.286649000
2010-04-01	16941458.750341002
2010-07-01	17049759.134356400
2010-10-01	17079569.828653600
2011-01-01	17057060.800168200
2011-04-01	17128076.169102800
2011-07-01	17073305.121252300
2011-10-01	17119257.909476600
2012-01-01	17142497.293256800
2012-04-01	17258036.433942600
2012-07-01	17256080.156819300
2012-10-01	17309086.115981300
2013-01-01	17242657.901309300
2013-04-01	17309494.169567302
2013-07-01	17370934.872910100
2013-10-01	17399113.056213300
2014-01-01	17444275.519607700
2014-04-01	17423633.888060100
2014-07-01	17446001.368610600
2014-10-01	17422689.223721500
2015-01-01	17535900.484443700
2015-04-01	17486628.983366300
2015-07-01	17573143.844251100
2015-10-01	17683026.687938900
2016-01-01	17710230.883093603
2016-04-01	17728609.655787400
2016-07-01	17722823.298815800
2016-10-01	17697136.162303198
2017-01-01	17762311.246064700
2017-04-01	17772650.421094500
2017-07-01	17679998.935017200
2017-10-01	17750839.397823602
2018-01-01	17847403.587341398
2018-04-01	17826790.759734700