Quarter	Persons, Seasonally Adjusted
2005-01-01	16319043.902782299
2005-04-01	16303628.478732200
2005-07-01	16385103.762235802
2005-10-01	16496823.856249700
2006-01-01	16618224.381507501
2006-04-01	16787973.994026000
2006-07-01	16889913.232542200
2006-10-01	16963388.391924303
2007-01-01	17071512.263694000
2007-04-01	17201167.476837300
2007-07-01	17273318.649614000
2007-10-01	17344401.609854700
2008-01-01	17400024.965013500
2008-04-01	17376339.954886800
2008-07-01	17543896.767089203
2008-10-01	17619338.313010500
2009-01-01	17542543.165577002
2009-04-01	17610447.389192400
2009-07-01	17482637.444961600
2009-10-01	17874172.000269003
2010-01-01	17471477.475397500
2010-04-01	17479551.135368000
2010-07-01	17563369.561485500
2010-10-01	17648201.827748902
2011-01-01	17809121.113527000
2011-04-01	17923403.280856900
2011-07-01	17998066.172302600
2011-10-01	18073609.433313500
2012-01-01	17987388.680082800
2012-04-01	18043897.414009200
2012-07-01	18102306.182797800
2012-10-01	18151307.723110200
2013-01-01	18262961.749320302
2013-04-01	18328192.317815500
2013-07-01	18387983.388409200
2013-10-01	18405362.544455003
2014-01-01	18454507.208145402
2014-04-01	18504957.367758200
2014-07-01	18546105.396735800
2014-10-01	18595030.027360500
2015-01-01	18595172.079978900
2015-04-01	18678332.272462300
2015-07-01	18714036.644835103
2015-10-01	18834259.002723600
2016-01-01	19027084.882334597
2016-04-01	19095800.202657600
2016-07-01	19210418.053595897
2016-10-01	19272496.861411900
2017-01-01	19181982.558042500
2017-04-01	19306625.086802700
2017-07-01	19387218.471770000
2017-10-01	19399073.883384697
2018-01-01	19381280.254944600
2018-04-01	19372563.500005502