Quarter Persons, Seasonally Adjusted 2001-01-01 504057.32850554603 2001-04-01 501210.71401230700 2001-07-01 502557.39104847300 2001-10-01 504174.56643367300 2002-01-01 504442.33688933600 2002-04-01 507774.57667667104 2002-07-01 507941.03870359500 2002-10-01 510442.04773039796 2003-01-01 512514.77534447995 2003-04-01 516760.83101488600 2003-07-01 520557.06249948696 2003-10-01 521267.33114114700 2004-01-01 522463.38466092007 2004-04-01 534242.21625798500 2004-07-01 530632.17245793200 2004-10-01 529862.22662316300 2005-01-01 533057.47743483400 2005-04-01 544121.95217133400 2005-07-01 546721.91072373300 2005-10-01 548198.65967009800 2006-01-01 550760.56043444000 2006-04-01 559241.80537642490 2006-07-01 559336.87935472500 2006-10-01 563560.75483440990 2007-01-01 568988.91157468600 2007-04-01 575050.76191763800 2007-07-01 574471.62378821700 2007-10-01 580788.70271945800 2008-01-01 584404.25090853000 2008-04-01 587894.01327834200 2008-07-01 591955.38238589500 2008-10-01 594646.35342723200 2009-01-01 598412.10932946900 2009-04-01 598503.13082900200 2009-07-01 607214.15635095110 2009-10-01 605370.60349057800 2010-01-01 605094.58206386200 2010-04-01 609407.26110274400 2010-07-01 609028.21804192600 2010-10-01 609169.93879146800 2011-01-01 609809.70777076690 2011-04-01 609029.89100934600 2011-07-01 606415.69826893390 2011-10-01 605444.70295095200 2012-01-01 604670.22767964200 2012-04-01 603203.30237680100 2012-07-01 603099.72706781290 2012-10-01 601626.74287574490 2013-01-01 598720.64387422000 2013-04-01 595936.91725625800 2013-07-01 596033.37537455200 2013-10-01 592809.06349497000 2014-01-01 590399.76417120210 2014-04-01 588310.65635791100 2014-07-01 583746.00851007000 2014-10-01 583143.57096081800 2015-01-01 581849.75657072410 2015-04-01 578543.40205268290 2015-07-01 573473.75272222990 2015-10-01 571833.08865436300 2016-01-01 567808.53037176910 2016-04-01 565937.63338150990 2016-07-01 564362.18330529100 2016-10-01 561591.65294142890 2017-01-01 559505.93875470600 2017-04-01 561789.11706304700 2017-07-01 558612.46843452900 2017-10-01 555992.47574771800 2018-01-01 556102.95752663110 2018-04-01 558158.68200342190