Quarter	Persons, Seasonally Adjusted
1999-01-01	17107308.364875000
1999-04-01	17175851.465984600
1999-07-01	17250875.192085300
1999-10-01	17326464.977055100
2000-01-01	17440764.050244500
2000-04-01	17530109.381883200
2000-07-01	17637382.110816500
2000-10-01	17763744.457055800
2001-01-01	17884923.202993900
2001-04-01	17964451.109033797
2001-07-01	18073474.075970400
2001-10-01	18200451.612001900
2002-01-01	18414975.280823402
2002-04-01	18538877.798582400
2002-07-01	18687437.239797000
2002-10-01	18842209.680797200
2003-01-01	18970896.357510198
2003-04-01	19077625.050668802
2003-07-01	19207009.654675998
2003-10-01	19334168.937145100
2004-01-01	19445539.721965000
2004-04-01	19543888.754805800
2004-07-01	19672549.282956198
2004-10-01	19823422.240273003
2005-01-01	19983823.889151900
2005-04-01	20111583.609321700
2005-07-01	20220850.410094300
2005-10-01	20343142.091432100
2006-01-01	20461498.060707703
2006-04-01	20545144.820731000
2006-07-01	20663813.649446800
2006-10-01	20806543.469114497
2007-01-01	20965254.507142197
2007-04-01	21052204.970100900
2007-07-01	21171611.864370900
2007-10-01	21310128.658385900
2008-01-01	21421623.205776500
2008-04-01	21463366.513856200
2008-07-01	21542907.243681000
2008-10-01	21600103.036686200
2009-01-01	21621758.693489500
2009-04-01	21655592.631911900
2009-07-01	21698912.371375600
2009-10-01	21690036.303223003
2010-01-01	21679550.399436900
2010-04-01	21694526.371279000
2010-07-01	21706472.636803300
2010-10-01	21676750.592480800
2011-01-01	21663441.213287197
2011-04-01	21670881.480182600
2011-07-01	21663774.349101897
2011-10-01	21614302.957428300
2012-01-01	21561577.525949300
2012-04-01	21543635.608871200
2012-07-01	21496439.279108398
2012-10-01	21381447.586071100
2013-01-01	21286458.665158200
2013-04-01	21249942.842944603
2013-07-01	21159951.551588602
2013-10-01	21019046.940308600
2014-01-01	20908780.921358500
2014-04-01	20912844.731059400
2014-07-01	20864122.702856400
2014-10-01	20788451.644725703
2015-01-01	20726405.973748700
2015-04-01	20674738.619722400
2015-07-01	20616033.599404100
2015-10-01	20528121.807124898
2016-01-01	20468995.833185400
2016-04-01	20400271.326830300
2016-07-01	20354852.563090600
2016-10-01	20301980.276893597
2017-01-01	20273075.805127397
2017-04-01	20208811.306477900
2017-07-01	20181132.758535300
2017-10-01	20169180.129859400
2018-01-01	20177339.647780800
2018-04-01	20123124.365012700
2018-07-01	20108368.420156400