Quarter	Persons, Seasonally Adjusted
2005-01-01	17628928.456294898
2005-04-01	17472000.193281498
2005-07-01	17564295.122065000
2005-10-01	17795695.228358700
2006-01-01	17843848.355033300
2006-04-01	17965300.850192603
2006-07-01	18159633.557764400
2006-10-01	18243146.237009700
2007-01-01	18175626.001571300
2007-04-01	18309523.067268400
2007-07-01	18251051.397919200
2007-10-01	18421389.533241200
2008-01-01	18565623.078903202
2008-04-01	18813831.487739300
2008-07-01	18843232.855946900
2008-10-01	18959604.577410500
2009-01-01	19138802.345554702
2009-04-01	19265241.356107400
2009-07-01	19249321.367259200
2009-10-01	19294583.931078598
2010-01-01	19302335.835109000
2010-04-01	19545745.032886703
2010-07-01	19510220.492947200
2010-10-01	19578647.639057100
2011-01-01	19753232.821276800
2011-04-01	19902028.346323100
2011-07-01	20030486.069162700
2011-10-01	19972867.763237398
2012-01-01	20061849.579144900
2012-04-01	20319192.746165900
2012-07-01	20447824.062280900
2012-10-01	20359376.612408303
2013-01-01	20507996.894855600
2013-04-01	20684739.288168400
2013-07-01	20566984.757607900
2013-10-01	20941740.059368100
2014-01-01	20814548.630352500
2014-04-01	20765074.058531802
2014-07-01	20819213.701062800
2014-10-01	20996706.610052902
2015-01-01	21017240.764882700
2015-04-01	21170898.673820800
2015-07-01	21158148.790964300
2015-10-01	21484586.770332200
2016-01-01	21498193.260707803
2016-04-01	21575017.244334202
2016-07-01	21584722.813866902
2016-10-01	21769768.681091100
2017-01-01	21726289.722640500
2017-04-01	21682036.627003800
2017-07-01	21794601.543432500
2017-10-01	21886370.106923200
2018-01-01	22043764.145680603
2018-04-01	22197064.079949502