Quarter Persons, Seasonally Adjusted 2005-01-01 496341.49878773297 2005-04-01 515170.14247782700 2005-07-01 518195.37853991300 2005-10-01 482033.64496166700 2006-01-01 512942.00516495697 2006-04-01 553371.94173887410 2006-07-01 517361.27406926800 2006-10-01 446086.57674687204 2007-01-01 461337.49417962297 2007-04-01 445816.94998963200 2007-07-01 511146.28258914700 2007-10-01 550704.99363242010 2008-01-01 533378.25446633700 2008-04-01 566212.69817112000 2008-07-01 537375.16841202500 2008-10-01 585878.57926183700 2009-01-01 661355.71481312000 2009-04-01 738108.87421802610 2009-07-01 718339.81674588600 2009-10-01 680166.94325440100 2010-01-01 674924.21567612700 2010-04-01 614760.43732834790 2010-07-01 598431.66098127000 2010-10-01 597462.35281600600 2011-01-01 572395.53966209200 2011-04-01 541261.35376394810 2011-07-01 573182.90514765100 2011-10-01 561303.89028197810 2012-01-01 520456.93828642595 2012-04-01 504001.16294127505 2012-07-01 505874.55063937604 2012-10-01 521832.44087215700 2013-01-01 499956.33745830297 2013-04-01 480422.33174709600 2013-07-01 446792.74393713700 2013-10-01 496618.21349751396 2014-01-01 530512.22834785310 2014-04-01 502083.08913462400 2014-07-01 530420.40234396910 2014-10-01 534109.84056961000 2015-01-01 504211.97114927700 2015-04-01 514598.14398660103 2015-07-01 523836.12166724505 2015-10-01 525056.66980474590 2016-01-01 526528.49438451700 2016-04-01 553458.08263185900 2016-07-01 558807.03761867300 2016-10-01 554130.95938085000 2017-01-01 561030.92888017000 2017-04-01 573824.77760723700 2017-07-01 569206.02413459800 2017-10-01 596163.17311418000 2018-01-01 602197.78859914100 2018-04-01 598780.65311849610 2018-07-01 607976.18994095610