Quarter	Persons, Seasonally Adjusted
2005-01-01	20647716.826555703
2005-04-01	20729190.137684897
2005-07-01	20812117.298799100
2005-10-01	21006609.070293600
2006-01-01	21124853.047793200
2006-04-01	21156515.319848300
2006-07-01	21127395.519595900
2006-10-01	21191436.112762700
2007-01-01	21284835.506317300
2007-04-01	21074881.310194000
2007-07-01	20933682.902612200
2007-10-01	20958266.947543100
2008-01-01	20821563.075193500
2008-04-01	20794757.262056600
2008-07-01	20545297.201920900
2008-10-01	20090282.460829000
2009-01-01	19304148.509909198
2009-04-01	18926403.447688200
2009-07-01	18515263.299527100
2009-10-01	18033818.076208800
2010-01-01	18016893.692792602
2010-04-01	18189579.165153902
2010-07-01	18274687.795506500
2010-10-01	18291539.346547097
2011-01-01	18494705.521443497
2011-04-01	18466715.254569300
2011-07-01	18426510.841929000
2011-10-01	18594435.048724900
2012-01-01	18393777.459630200
2012-04-01	18507099.256355500
2012-07-01	18499399.323675600
2012-10-01	18602323.960338600
2013-01-01	18479011.396354500
2013-04-01	18462151.574912700
2013-07-01	18566326.278448198
2013-10-01	18532810.750284600
2014-01-01	18513484.982277803
2014-04-01	18667482.197291702
2014-07-01	18842902.418959300
2014-10-01	18973697.068137900
2015-01-01	18962914.289970700
2015-04-01	18816942.563593100
2015-07-01	18874783.995943100
2015-10-01	19050325.817159798
2016-01-01	19229374.853999800
2016-04-01	19257546.513918802
2016-07-01	19183931.970580800
2016-10-01	19413479.994833898
2017-01-01	19449756.632626798
2017-04-01	19579862.101512100
2017-07-01	19527250.914340300
2017-10-01	19375730.351520700
2018-01-01	19893502.319411296