Quarter	Persons, Seasonally Adjusted
1999-01-01	13042844.996519100
1999-04-01	13168589.544201601
1999-07-01	13300227.548782800
1999-10-01	13418137.910496500
2000-01-01	13557954.939026600
2000-04-01	13659472.610681700
2000-07-01	13784833.715496700
2000-10-01	13916638.734795000
2001-01-01	13635870.446798700
2001-04-01	13715010.827939602
2001-07-01	13862383.262855400
2001-10-01	14020535.462406300
2002-01-01	14328087.948185800
2002-04-01	14541135.754667000
2002-07-01	14741197.365899900
2002-10-01	14874178.931247400
2003-01-01	15060496.622762699
2003-04-01	15213028.375128900
2003-07-01	15408826.018348100
2003-10-01	15555848.983760300
2004-01-01	15633756.304560400
2004-04-01	15774716.584939900
2004-07-01	15944955.676518401
2004-10-01	16126671.433981301
2005-01-01	16168794.730166702
2005-04-01	16344670.168229600
2005-07-01	16419515.053084001
2005-10-01	16580320.048519700
2006-01-01	16763341.566403200
2006-04-01	16886132.495739200
2006-07-01	17021613.424212597
2006-10-01	17196512.513644900
2007-01-01	17367900.815996300
2007-04-01	17475511.149322000
2007-07-01	17607265.149149700
2007-10-01	17758322.885532003
2008-01-01	17918406.065686800
2008-04-01	18019157.459752000
2008-07-01	18100342.072765300
2008-10-01	18245894.401795900
2009-01-01	18342884.975906900
2009-04-01	18355854.066743903
2009-07-01	18379322.304543700
2009-10-01	18435338.652805600
2010-01-01	18499148.723509900
2010-04-01	18605923.587349698
2010-07-01	18633520.218413900
2010-10-01	18617907.470726400
2011-01-01	18608328.653167000
2011-04-01	18690024.843974300
2011-07-01	18694582.384263800
2011-10-01	18669664.118595000
2012-01-01	18690361.494654898
2012-04-01	18696669.373078503
2012-07-01	18712678.750739100
2012-10-01	18622290.381527500
2013-01-01	18546386.477779600
2013-04-01	18494569.568790600
2013-07-01	18460976.597270500
2013-10-01	18337167.356159303
2014-01-01	18201333.691494100
2014-04-01	18263761.357342100
2014-07-01	18210632.330500500
2014-10-01	18209572.620663200
2015-01-01	18095753.429910500
2015-04-01	18120095.938470000
2015-07-01	17979279.664434800
2015-10-01	17909470.967184700
2016-01-01	17879679.656379700
2016-04-01	17848018.585206598
2016-07-01	17815554.763536997
2016-10-01	17720846.994876700
2017-01-01	17675311.128793202
2017-04-01	17566767.651180398
2017-07-01	17550979.152235200
2017-10-01	17545942.067791197
2018-01-01	17521322.747374100
2018-04-01	17496044.081128100
2018-07-01	17481545.409359500