Quarter	Persons, Seasonally Adjusted
1999-01-01	17124148.661297202
1999-04-01	17234933.222134700
1999-07-01	17380249.634805300
1999-10-01	17531168.481762800
2000-01-01	17652910.222031500
2000-04-01	17831418.744670402
2000-07-01	17997652.372578000
2000-10-01	18131418.660720102
2001-01-01	17730348.210092200
2001-04-01	17828419.585899800
2001-07-01	18016507.174710600
2001-10-01	18191525.029297400
2002-01-01	18549242.532354098
2002-04-01	18778299.764110003
2002-07-01	18970296.557639500
2002-10-01	19124161.145896500
2003-01-01	19347533.675032400
2003-04-01	19534955.989661900
2003-07-01	19737773.701105498
2003-10-01	19908236.634200300
2004-01-01	19991918.859464900
2004-04-01	20146258.050359897
2004-07-01	20343255.198987500
2004-10-01	20573967.891187700
2005-01-01	20751886.584629600
2005-04-01	20965286.533522498
2005-07-01	21044106.616931800
2005-10-01	21231820.264916100
2006-01-01	21416291.834950400
2006-04-01	21546973.916366000
2006-07-01	21676776.558155800
2006-10-01	21882557.690527900
2007-01-01	22038705.950797300
2007-04-01	22188193.256366603
2007-07-01	22363226.295238700
2007-10-01	22533574.497597400
2008-01-01	22710731.354080600
2008-04-01	22837849.466598000
2008-07-01	22955359.425490500
2008-10-01	23130059.753830902
2009-01-01	23182032.579379300
2009-04-01	23080594.442824800
2009-07-01	23063575.183068197
2009-10-01	23100597.794727698
2010-01-01	23153461.370806200
2010-04-01	23205751.400352202
2010-07-01	23242621.315270700
2010-10-01	23237965.913570900
2011-01-01	23242441.268653600
2011-04-01	23294125.630754102
2011-07-01	23307118.606843300
2011-10-01	23278314.493749000
2012-01-01	23291880.712966003
2012-04-01	23286539.005324002
2012-07-01	23316105.507932700
2012-10-01	23231074.773777302
2013-01-01	23193108.036255700
2013-04-01	23016255.116272400
2013-07-01	23023608.465915400
2013-10-01	22940528.381556600
2014-01-01	22782169.522091900
2014-04-01	22822313.205711200
2014-07-01	22784759.685490802
2014-10-01	22865157.586706102
2015-01-01	22777632.094107400
2015-04-01	22835212.248201700
2015-07-01	22731061.841834300
2015-10-01	22724693.815856498
2016-01-01	22709140.313490998
2016-04-01	22675233.402590003
2016-07-01	22659280.231495700
2016-10-01	22582346.052423302
2017-01-01	22577224.503763800
2017-04-01	22523917.045380200
2017-07-01	22567783.694649700
2017-10-01	22563074.756206300
2018-01-01	22532966.310696200
2018-04-01	22616918.276095100
2018-07-01	22617655.042327300