Quarter Persons, Seasonally Adjusted 1999-01-01 305236.90453199996 1999-04-01 321174.02492800000 1999-07-01 325761.96283699997 1999-10-01 335818.74615700000 2000-01-01 338387.19101116195 2000-04-01 337166.56163353500 2000-07-01 347498.74828205600 2000-10-01 352847.49907324696 2001-01-01 357240.33159524000 2001-04-01 360466.65976334700 2001-07-01 389526.57726913900 2001-10-01 386066.43137227296 2002-01-01 387392.71871043200 2002-04-01 381394.71279790596 2002-07-01 401176.09981212305 2002-10-01 400436.46867953800 2003-01-01 423265.51674801900 2003-04-01 432087.31273712905 2003-07-01 433874.84420386100 2003-10-01 424772.32631099200 2004-01-01 436668.81820696197 2004-04-01 443143.24981689300 2004-07-01 443722.41608705900 2004-10-01 432465.51588908600 2005-01-01 439603.08661148900 2005-04-01 441234.26298373303 2005-07-01 440780.81291461300 2005-10-01 442081.83749016500 2006-01-01 440596.96959632800 2006-04-01 442368.42957722000 2006-07-01 448276.06537003600 2006-10-01 453558.53545641600 2007-01-01 450400.66023346300 2007-04-01 446732.82277177600 2007-07-01 447734.93989523400 2007-10-01 433531.57709952700 2008-01-01 441667.15809575695 2008-04-01 439694.30191133800 2008-07-01 439027.75650435400 2008-10-01 431810.78348855104 2009-01-01 431765.39833472203 2009-04-01 445514.63209304900 2009-07-01 445550.71646291600 2009-10-01 443869.25310931400 2010-01-01 446591.47156635200 2010-04-01 448229.42727405500 2010-07-01 450824.07293901796 2010-10-01 440355.02822057400 2011-01-01 444759.65992843197 2011-04-01 445419.78668555500 2011-07-01 446567.48489865200 2011-10-01 448853.06848736096 2012-01-01 454224.87193593400 2012-04-01 450194.33904229700 2012-07-01 445988.49263413600 2012-10-01 449992.29638763400 2013-01-01 449964.14596360200 2013-04-01 450199.98464056600 2013-07-01 455656.90665797500 2013-10-01 449978.96273785700 2014-01-01 450093.86468789400 2014-04-01 460324.62598660900 2014-07-01 463998.41242105997 2014-10-01 467883.09690443700 2015-01-01 469973.84438701600 2015-04-01 468842.91621806900 2015-07-01 465775.57804227003 2015-10-01 472607.66135264497 2016-01-01 482338.97439992000 2016-04-01 496369.17112037796 2016-07-01 497875.08558949000 2016-10-01 499616.76889021300 2017-01-01 494898.73637425200 2017-04-01 505659.70083226800 2017-07-01 511213.73829653900 2017-10-01 511027.82449694100 2018-01-01 510474.91021148197 2018-04-01 519754.06560419005