Quarter	Persons, Seasonally Adjusted
1999-07-01	16282693.599994800
1999-10-01	16380338.113420800
2000-01-01	16426226.622549100
2000-04-01	16498606.704728800
2000-07-01	16658887.471228700
2000-10-01	16710779.201493500
2001-01-01	16704360.259278200
2001-04-01	16836287.068189500
2001-07-01	16879784.090051197
2001-10-01	16955201.915814500
2002-01-01	17064339.461162100
2002-04-01	17121198.222627400
2002-07-01	17175321.629617500
2002-10-01	17192207.353259698
2003-01-01	17233488.268940100
2003-04-01	17244945.509686500
2003-07-01	17276164.184827900
2003-10-01	17354335.369878802
2004-01-01	17549338.550385100
2004-04-01	17545238.243517000
2004-07-01	17591304.039105300
2004-10-01	17649352.500326000
2005-01-01	17685969.384282000
2005-04-01	17738562.369247800
2005-07-01	17823799.312176100
2005-10-01	17965102.267627500
2006-01-01	18053090.551633000
2006-04-01	18135891.201719000
2006-07-01	18232443.718343200
2006-10-01	18262041.194971500
2007-01-01	18311040.496301100
2007-04-01	18392625.495754000
2007-07-01	18457640.691165403
2007-10-01	18543626.650112800
2008-01-01	18590038.066305798
2008-04-01	18652990.733077202
2008-07-01	18685582.155790400
2008-10-01	18720389.044826500
2009-01-01	18620838.275517300
2009-04-01	18619129.871864000
2009-07-01	18582692.168740302
2009-10-01	18592406.350545100
2010-01-01	18679209.367297802
2010-04-01	18675674.378392998
2010-07-01	18745082.225630700
2010-10-01	18740567.362011798
2011-01-01	18769468.693434600
2011-04-01	18830954.011684800
2011-07-01	18765527.693852700
2011-10-01	18796682.934361298
2012-01-01	18801637.964847900
2012-04-01	18776525.902459500
2012-07-01	18755821.082307600
2012-10-01	18691381.717051603
2013-01-01	18644025.527102900
2013-04-01	18702540.463613800
2013-07-01	18740652.777652900
2013-10-01	18783614.564963700
2014-01-01	18870851.325552100
2014-04-01	18890190.675038300
2014-07-01	18874148.293561800
2014-10-01	18853376.372514400
2015-01-01	18798263.332656100
2015-04-01	18794803.609717800
2015-07-01	18762592.907245200
2015-10-01	18718473.483714197
2016-01-01	18693148.376790400
2016-04-01	18611725.490059900
2016-07-01	18627735.031060800
2016-10-01	18604791.102088902
2017-01-01	18631113.724245400
2017-04-01	18614592.925322300
2017-07-01	18597763.974035600
2017-10-01	18576229.376396800
2018-01-01	18559730.699328000
2018-04-01	18565201.291420400
2018-07-01	18533911.486491100