Quarter	Persons, Seasonally Adjusted
1999-01-01	17228902.019426200
1999-04-01	17321798.875299502
1999-07-01	17479092.284977400
1999-10-01	17645306.820296902
2000-01-01	17762744.033392902
2000-04-01	17919659.979694400
2000-07-01	18100198.328793798
2000-10-01	18236397.658118900
2001-01-01	17823163.805298798
2001-04-01	17937452.351182700
2001-07-01	18118572.611620700
2001-10-01	18295711.231897800
2002-01-01	18643733.903596300
2002-04-01	18866833.001795303
2002-07-01	19074218.033504102
2002-10-01	19227915.061104197
2003-01-01	19434330.127740600
2003-04-01	19630264.302949198
2003-07-01	19855073.224829298
2003-10-01	20018532.344481000
2004-01-01	20096337.638820402
2004-04-01	20251456.974209700
2004-07-01	20455135.294245700
2004-10-01	20663370.092724200
2005-01-01	20867591.361257000
2005-04-01	21099362.445102400
2005-07-01	21167727.733633000
2005-10-01	21355818.460007597
2006-01-01	21534444.292023502
2006-04-01	21687964.730491500
2006-07-01	21817844.642173100
2006-10-01	22009946.335311900
2007-01-01	22153817.178380597
2007-04-01	22318485.447969600
2007-07-01	22521126.041219000
2007-10-01	22656471.332430700
2008-01-01	22840181.350253798
2008-04-01	22991761.253803200
2008-07-01	23121568.697175000
2008-10-01	23254988.698768000
2009-01-01	23321655.497138100
2009-04-01	23246434.109663203
2009-07-01	23190806.399298200
2009-10-01	23218703.993900500
2010-01-01	23293540.881860800
2010-04-01	23363515.035398100
2010-07-01	23372343.169379100
2010-10-01	23371300.913362000
2011-01-01	23372480.973911300
2011-04-01	23427278.589714800
2011-07-01	23446320.204687300
2011-10-01	23430820.231686600
2012-01-01	23454105.614710200
2012-04-01	23451255.016921100
2012-07-01	23457050.351713500
2012-10-01	23349789.016655200
2013-01-01	23329052.683636300
2013-04-01	23175657.175221600
2013-07-01	23146873.388899200
2013-10-01	23060616.752242900
2014-01-01	22905327.044103697
2014-04-01	22943252.231205500
2014-07-01	22907302.673739200
2014-10-01	23015118.050951600
2015-01-01	22929084.626130300
2015-04-01	22979791.426406197
2015-07-01	22876976.601584703
2015-10-01	22865347.345878800
2016-01-01	22858433.254686900
2016-04-01	22837146.193093300
2016-07-01	22817418.554607097
2016-10-01	22738201.997612700
2017-01-01	22737389.463023300
2017-04-01	22691746.357491800
2017-07-01	22745084.392937400
2017-10-01	22755379.786547500
2018-01-01	22717942.574898902
2018-04-01	22793231.463372402
2018-07-01	22810278.434825200