Quarter Persons, Seasonally Adjusted 1999-04-01 21549110.743969200 1999-07-01 21590075.418782800 1999-10-01 21597591.757317500 2000-01-01 21627027.917888700 2000-04-01 21658266.809399800 2000-07-01 21727364.973243800 2000-10-01 21735840.299467700 2001-01-01 21746085.826705102 2001-04-01 21803854.902339500 2001-07-01 21848907.528361400 2001-10-01 21856751.742594000 2002-01-01 21862954.951368100 2002-04-01 21924320.158317402 2002-07-01 21944151.249923002 2002-10-01 21977173.640391402 2003-01-01 22003249.272086500 2003-04-01 22061365.686269000 2003-07-01 22081952.407096703 2003-10-01 22132632.634547800 2004-01-01 22203994.719635000 2004-04-01 22220196.629917003 2004-07-01 22212517.454642200 2004-10-01 22293491.195805800 2005-01-01 22416071.784239803 2005-04-01 22410060.981993902 2005-07-01 22421919.449803100 2005-10-01 22459647.783963200 2006-01-01 22613099.144777800 2006-04-01 22627633.969882800 2006-07-01 22647681.550514600 2006-10-01 22674485.334824800 2007-01-01 22774521.015385300 2007-04-01 22821473.909648698 2007-07-01 22871761.459880300 2007-10-01 22927443.615085700 2008-01-01 22976530.913680100 2008-04-01 23010993.964209500 2008-07-01 23058622.168321100 2008-10-01 23095952.953789300 2009-01-01 23128520.643596100 2009-04-01 23174403.938832700 2009-07-01 23202534.250396598 2009-10-01 23270041.167174600 2010-01-01 23301873.619077600 2010-04-01 23338545.937208500 2010-07-01 23399615.170174100 2010-10-01 23439765.273539800 2011-01-01 23481708.824249398 2011-04-01 23520153.138905800 2011-07-01 23556137.731533600 2011-10-01 23595300.305311200 2012-01-01 23606625.528806700 2012-04-01 23636617.118931200 2012-07-01 23667956.330232200 2012-10-01 23723201.022029903 2013-01-01 23727310.338355698 2013-04-01 23750525.856684197 2013-07-01 23761279.700843700 2013-10-01 23855984.104116400 2014-01-01 23869426.469804000 2014-04-01 23904215.368359897 2014-07-01 23918805.627574600 2014-10-01 23965952.534261502 2015-01-01 23982306.514116500 2015-04-01 24050886.284137398 2015-07-01 24080524.681305700 2015-10-01 24093482.520440300 2016-01-01 24097035.642746200 2016-04-01 24143106.921683498 2016-07-01 24166518.482582100 2016-10-01 24188138.952988200 2017-01-01 24200054.126187500 2017-04-01 24245989.813539000 2017-07-01 24250811.600525700 2017-10-01 24290144.459747700 2018-01-01 24355713.519256797 2018-04-01 24351581.313284400