Quarter	Persons, Seasonally Adjusted
2004-01-01	17750770.588880002
2004-04-01	17840501.844260100
2004-07-01	18010285.938279603
2004-10-01	18035941.628580302
2005-01-01	18194238.446820498
2005-04-01	18193651.162859000
2005-07-01	18214841.708171703
2005-10-01	18061568.682148900
2006-01-01	18090682.112177900
2006-04-01	18127497.475096200
2006-07-01	18306981.868567400
2006-10-01	18487738.544158500
2007-01-01	18520476.568089098
2007-04-01	18720743.676918600
2007-07-01	18849325.648040200
2007-10-01	18966154.106952100
2008-01-01	19232365.137504900
2008-04-01	19253126.526123498
2008-07-01	19152473.014694400
2008-10-01	19271435.321677200
2009-01-01	19160202.101654100
2009-04-01	19174093.261306100
2009-07-01	19095492.791216500
2009-10-01	19114811.845823300
2010-01-01	19281354.865617700
2010-04-01	19245231.066711400
2010-07-01	19363257.829542197
2010-10-01	19302056.238128600
2011-01-01	19274297.352598000
2011-04-01	19339768.989520200
2011-07-01	19336336.672366697
2011-10-01	19394096.985515103
2012-01-01	19414754.673617900
2012-04-01	19449281.540683300
2012-07-01	19493423.996129700
2012-10-01	19500239.789569203
2013-01-01	19454505.219077800
2013-04-01	19462206.031193600
2013-07-01	19665462.037377298
2013-10-01	19615626.712351300
2014-01-01	20240136.745977500
2014-04-01	20307758.739439300
2014-07-01	20227040.107473600
2014-10-01	20316564.407109600
2015-01-01	20343170.858549602
2015-04-01	20309337.731075600
2015-07-01	20375352.552528800
2015-10-01	20531838.857846104
2016-01-01	20532272.877772500
2016-04-01	20512470.673632200
2016-07-01	20511137.885113902
2016-10-01	20464618.563481398
2017-01-01	20549097.243555400
2017-04-01	20752899.867105000
2017-07-01	20722813.023992800
2017-10-01	20941289.865346800
2018-01-01	20945015.687479000
2018-04-01	21007800.487168800