Quarter	Persons, Seasonally Adjusted
1998-01-01	21758168.796786500
1998-04-01	21802434.610207200
1998-07-01	21781980.523111600
1998-10-01	21765916.069894700
1999-01-01	21766585.833651100
1999-04-01	21774422.998190700
1999-07-01	21786204.046538800
1999-10-01	21790887.121619400
2000-01-01	21794931.307584200
2000-04-01	21804620.373393003
2000-07-01	21851831.588396800
2000-10-01	21863716.730626002
2001-01-01	21880053.390701700
2001-04-01	21844305.476900500
2001-07-01	21899475.512191102
2001-10-01	21905165.620206800
2002-01-01	21930952.820595000
2002-04-01	21929962.663795100
2002-07-01	21941072.971650500
2002-10-01	21928411.543959300
2003-01-01	21961056.625494800
2003-04-01	21957634.064551700
2003-07-01	21950350.747166200
2003-10-01	21924658.562787298
2004-01-01	21588692.178150200
2004-04-01	21649090.543742300
2004-07-01	21673637.792225700
2004-10-01	21739279.485881800
2005-01-01	21787957.889174800
2005-04-01	21841299.357964400
2005-07-01	21841838.850928300
2005-10-01	21882503.901932500
2006-01-01	21935449.590663000
2006-04-01	21941877.858181000
2006-07-01	21926652.232844800
2006-10-01	21941720.318311200
2007-01-01	21929625.055173700
2007-04-01	21965418.687732503
2007-07-01	22011092.895892400
2007-10-01	22040063.361201502
2008-01-01	22053968.002127703
2008-04-01	22109899.234140802
2008-07-01	22147553.814863400
2008-10-01	22155278.948868100
2009-01-01	22181567.136851802
2009-04-01	22198516.785521300
2009-07-01	22225112.909565300
2009-10-01	22226303.168061600
2010-01-01	22260972.327246100
2010-04-01	22239099.065551600
2010-07-01	22221126.720784700
2010-10-01	22255801.886417600
2011-01-01	22303929.060388498
2011-04-01	22269460.498803800
2011-07-01	22235536.476579800
2011-10-01	22280473.964228000
2012-01-01	22303759.299814700
2012-04-01	22333074.556185600
2012-07-01	22345355.438640103
2012-10-01	22374110.705359600
2013-01-01	22409842.404046900
2013-04-01	22433406.693735400
2013-07-01	22484771.149638500
2013-10-01	22486379.752579100
2014-01-01	22508284.240178500
2014-04-01	22503559.575067297
2014-07-01	22533836.847341400
2014-10-01	22501719.337412800
2015-01-01	22480493.656036900
2015-04-01	22489927.493505403
2015-07-01	22468788.176822800
2015-10-01	22438690.673634900
2016-01-01	22410239.343956098
2016-04-01	22416037.566960600
2016-07-01	22405163.752284800
2016-10-01	22395859.336798500
2017-01-01	22394444.875874200
2017-04-01	22377149.324515500
2017-07-01	22377937.249891500
2017-10-01	22351968.549718800
2018-01-01	22362566.162688900
2018-04-01	22369301.747803602