Quarter	Persons, Seasonally Adjusted
2005-01-01	15672689.662358800
2005-04-01	15920661.686338700
2005-07-01	16154318.247215701
2005-10-01	16319367.404086800
2006-01-01	16601608.224395800
2006-04-01	16633883.438606200
2006-07-01	16944863.351993900
2006-10-01	16988766.985004097
2007-01-01	17149865.745876600
2007-04-01	17171869.347722000
2007-07-01	17156581.484476000
2007-10-01	17698831.421925400
2008-01-01	17655537.968550898
2008-04-01	17684222.024535697
2008-07-01	17403440.485889100
2008-10-01	17318558.521024300
2009-01-01	17673794.193763600
2009-04-01	17693876.043121300
2009-07-01	18508513.295295800
2009-10-01	18447946.467819300
2010-01-01	18266269.030676100
2010-04-01	18494744.503799200
2010-07-01	18394766.872947500
2010-10-01	17907588.592577200
2011-01-01	18192408.137043600
2011-04-01	18549154.953000000
2011-07-01	18705362.856849700
2011-10-01	19426036.053106703
2012-01-01	19200148.731715200
2012-04-01	19733168.449004000
2012-07-01	19741137.245453800
2012-10-01	19505254.573827000
2013-01-01	19491884.162584502
2013-04-01	19955820.150395602
2013-07-01	19848953.569390400
2013-10-01	19974374.117629398
2014-01-01	19835974.841671400
2014-04-01	19656039.272797700
2014-07-01	19520427.560274800
2014-10-01	19531202.325256100
2015-01-01	19886600.014490100
2015-04-01	19939749.703842500
2015-07-01	20146560.255998600
2015-10-01	20539927.025668703
2016-01-01	20384311.726050097
2016-04-01	20461237.186567303
2016-07-01	20703204.880499000
2016-10-01	20467410.206883600
2017-01-01	20725886.938976900
2017-04-01	20615076.922245000
2017-07-01	20562951.435238800
2017-10-01	20741040.703539200
2018-01-01	21047429.202840100
2018-04-01	21366524.238938200