Quarter	Persons, Seasonally Adjusted
2005-01-01	18040015.480970600
2005-04-01	18136870.890560700
2005-07-01	18158453.681648200
2005-10-01	18235959.946820598
2006-01-01	18302519.649334002
2006-04-01	18391691.976992100
2006-07-01	18404779.716585600
2006-10-01	18554908.657088302
2007-01-01	18581726.653566997
2007-04-01	18684661.350607198
2007-07-01	18768166.582049300
2007-10-01	18871445.413776600
2008-01-01	18945928.773361400
2008-04-01	19006855.246434502
2008-07-01	19089344.900747600
2008-10-01	19138471.079456500
2009-01-01	19233220.055101000
2009-04-01	19309039.774989000
2009-07-01	19336071.660038200
2009-10-01	19389968.509871700
2010-01-01	19390436.118155003
2010-04-01	19540133.033710700
2010-07-01	19611928.759696197
2010-10-01	19731202.088438100
2011-01-01	19834144.472655600
2011-04-01	19937652.497358500
2011-07-01	19928639.657801300
2011-10-01	19970263.372184700
2012-01-01	20051980.725489000
2012-04-01	20077773.143459998
2012-07-01	20162542.066356500
2012-10-01	20199804.064694500
2013-01-01	20210627.434184100
2013-04-01	20277660.011170900
2013-07-01	20376758.014687702
2013-10-01	20457154.539957400
2014-01-01	20569757.065333000
2014-04-01	20606848.107466300
2014-07-01	20740114.896595700
2014-10-01	20762379.930604998
2015-01-01	20828608.696180798
2015-04-01	20910479.480476800
2015-07-01	20943034.074232900
2015-10-01	21049977.749109400
2016-01-01	21225628.367181300
2016-04-01	21287400.676653698
2016-07-01	21306770.620066904
2016-10-01	21386300.336098097
2017-01-01	21485320.309894200
2017-04-01	21593956.037343502
2017-07-01	21739861.606657600
2017-10-01	21794562.046104700
2018-01-01	21898657.998151500
2018-04-01	21983269.129957303