Quarter	Persons, Seasonally Adjusted
2005-01-01	19793991.219445698
2005-04-01	19689464.756884300
2005-07-01	19737658.879752500
2005-10-01	19701185.143917400
2006-01-01	19681845.601803802
2006-04-01	19691287.253171700
2006-07-01	19601316.736117203
2006-10-01	19513650.408907200
2007-01-01	19599164.332911200
2007-04-01	19615337.652151898
2007-07-01	19553525.003817500
2007-10-01	19520773.011119500
2008-01-01	19473623.935106702
2008-04-01	19432633.742622600
2008-07-01	19408679.406332700
2008-10-01	19382862.915938000
2009-01-01	19311006.035904698
2009-04-01	19241743.212397102
2009-07-01	19084856.404777203
2009-10-01	19113594.346920900
2010-01-01	18916310.294753100
2010-04-01	18804975.612596500
2010-07-01	18785471.483874000
2010-10-01	18679642.608776400
2011-01-01	18630485.656512400
2011-04-01	18636441.378294600
2011-07-01	18591152.148417898
2011-10-01	18561020.816775102
2012-01-01	18556630.069887098
2012-04-01	18497188.711647000
2012-07-01	18499629.036039200
2012-10-01	18465152.182426598
2013-01-01	18392928.516922200
2013-04-01	18364577.653959700
2013-07-01	18377219.466557700
2013-10-01	18303174.362560400
2014-01-01	18349657.699687100
2014-04-01	18374181.754418700
2014-07-01	18331291.040471100
2014-10-01	18344969.505423103
2015-01-01	18299390.980434500
2015-04-01	18275456.821104100
2015-07-01	18231112.356358400
2015-10-01	18248939.842102997
2016-01-01	18355453.357081003
2016-04-01	18318702.247100197
2016-07-01	18300987.941329800
2016-10-01	18364756.454488900
2017-01-01	18274573.899405700
2017-04-01	18349374.385169300
2017-07-01	18369698.933092100
2017-10-01	18319952.782332900
2018-01-01	18303518.639939400
2018-04-01	18325316.671890702