Quarter	Persons, Seasonally Adjusted
1999-01-01	17245976.908478800
1999-04-01	17303009.380868900
1999-07-01	17326002.076484803
1999-10-01	17357511.634167500
2000-01-01	17413981.380232600
2000-04-01	17474148.416823300
2000-07-01	17527988.946363100
2000-10-01	17584881.256581000
2001-01-01	17631155.240444300
2001-04-01	17691855.867944703
2001-07-01	17748307.725570202
2001-10-01	17814081.166040900
2002-01-01	17917960.872597500
2002-04-01	17995947.025934998
2002-07-01	18058211.815261100
2002-10-01	18137980.286206300
2003-01-01	18206929.758084600
2003-04-01	18289683.081396498
2003-07-01	18357142.689234197
2003-10-01	18426744.471284600
2004-01-01	18472295.328100600
2004-04-01	18549916.818157600
2004-07-01	18612262.876837200
2004-10-01	18689324.976904600
2005-01-01	18771021.922903100
2005-04-01	18838452.008503202
2005-07-01	18900767.905684702
2005-10-01	18972758.162908900
2006-01-01	19038420.472001100
2006-04-01	19099924.181247300
2006-07-01	19173939.054141900
2006-10-01	19262616.292609602
2007-01-01	19347230.429233000
2007-04-01	19423723.954315398
2007-07-01	19515118.023648303
2007-10-01	19593227.592803303
2008-01-01	19658775.775218400
2008-04-01	19704544.753467300
2008-07-01	19784354.249038700
2008-10-01	19824225.222275600
2009-01-01	19844998.285486702
2009-04-01	19864890.878120500
2009-07-01	19896668.609454000
2009-10-01	19914642.226938800
2010-01-01	19922956.443707000
2010-04-01	19940827.884724498
2010-07-01	19952706.934837900
2010-10-01	19984908.736730598
2011-01-01	19999280.117456898
2011-04-01	20016636.519630800
2011-07-01	20031739.197229400
2011-10-01	20046844.165682900
2012-01-01	20034455.015447900
2012-04-01	20032202.609865500
2012-07-01	20036157.916885200
2012-10-01	20023184.457801398
2013-01-01	20005978.132705200
2013-04-01	19999150.847652000
2013-07-01	19979091.330978800
2013-10-01	19954279.688663900
2014-01-01	19932404.889582200
2014-04-01	19958505.483359200
2014-07-01	19961567.339233700
2014-10-01	19950022.287824900
2015-01-01	19967094.454228800
2015-04-01	19953192.943029300
2015-07-01	19959053.495169397
2015-10-01	19961359.107572503
2016-01-01	19970725.403116100
2016-04-01	19981163.866311700
2016-07-01	20012421.857513100
2016-10-01	20037288.873059100
2017-01-01	20055370.550580100
2017-04-01	20072646.146542000
2017-07-01	20093449.265653300
2017-10-01	20116234.037224600
2018-01-01	20160126.104527300
2018-04-01	20199272.588051602
2018-07-01	20237071.815994200