Quarter	Persons, Seasonally Adjusted
2005-01-01	18434045.000000000
2005-04-01	18395203.710000000
2005-07-01	18431942.810000000
2005-10-01	18332277.370000000
2006-01-01	18389065.140000000
2006-04-01	18405818.400000000
2006-07-01	18301995.960000000
2006-10-01	18350039.380000000
2007-01-01	18679978.383690600
2007-04-01	18628609.846952200
2007-07-01	18736676.611335702
2007-10-01	18771635.158021502
2008-01-01	18851885.939661700
2008-04-01	18802906.525365400
2008-07-01	18814646.796085700
2008-10-01	18843560.738887202
2009-01-01	18679068.449219100
2009-04-01	18607054.254013700
2009-07-01	18790637.421518900
2009-10-01	18757039.875248300
2010-01-01	18680811.841764400
2010-04-01	18856081.993491200
2010-07-01	18725883.379619900
2010-10-01	18813922.785124400
2011-01-01	18664839.256518700
2011-04-01	18647364.440926300
2011-07-01	18542222.643524300
2011-10-01	18436373.659030702
2012-01-01	18308901.014304600
2012-04-01	18131344.772995997
2012-07-01	18006766.489161000
2012-10-01	17894587.723538400
2013-01-01	17812447.784769000
2013-04-01	17726500.763764600
2013-07-01	17514989.818107800
2013-10-01	17358461.633358598
2014-01-01	17288620.962912902
2014-04-01	17223119.082140602
2014-07-01	17076500.750111400
2014-10-01	16945159.204834998
2015-01-01	16918940.358889900
2015-04-01	16808403.200732000
2015-07-01	16710801.328156998
2015-10-01	16540155.112221100
2016-01-01	16364564.242230100
2016-04-01	16237085.630814299
2016-07-01	16129197.697179000
2016-10-01	16058452.429776600
2017-01-01	15901599.907875100
2017-04-01	15739510.514098600
2017-07-01	15700499.697042400
2017-10-01	15596589.880983800
2018-01-01	15476450.861515598
2018-04-01	15475849.137703100