Quarter Persons, Seasonally Adjusted 1998-01-01 12359551.607003900 1998-04-01 12471623.294157300 1998-07-01 12580358.611696800 1998-10-01 12603966.487141998 1999-01-01 12695160.554851800 1999-04-01 12776218.422864900 1999-07-01 12851671.479140699 1999-10-01 12904249.543142600 2000-01-01 12953935.287068900 2000-04-01 13134576.135655500 2000-07-01 13260512.259022900 2000-10-01 13422576.318252800 2001-01-01 13425795.468408900 2001-04-01 13428324.365270600 2001-07-01 13636847.361181000 2001-10-01 13699032.805139601 2002-01-01 13793925.382856200 2002-04-01 13752898.307074500 2002-07-01 13812443.023833701 2002-10-01 13848033.286235701 2003-01-01 13906711.247473901 2003-04-01 13940360.705678400 2003-07-01 14017889.241970000 2003-10-01 13976138.804877800 2004-01-01 14506149.337926399 2004-04-01 14461291.848300500 2004-07-01 14481881.379683800 2004-10-01 14567277.434089300 2005-01-01 14568590.850685298 2005-04-01 14526690.724148400 2005-07-01 14418258.945594800 2005-10-01 14564959.479571400 2006-01-01 14805648.073299501 2006-04-01 14946830.523354500 2006-07-01 14802466.755051801 2006-10-01 14842654.648294200 2007-01-01 14780234.442427400 2007-04-01 14860536.463454701 2007-07-01 15065899.749761400 2007-10-01 15163029.344356400 2008-01-01 15341280.655489400 2008-04-01 15398464.104445500 2008-07-01 15362674.758088300 2008-10-01 15318480.481976800 2009-01-01 15205205.695564300 2009-04-01 15282452.608190600 2009-07-01 15236542.613371799 2009-10-01 15172899.082873300 2010-01-01 15240394.928624000 2010-04-01 15217287.682185100 2010-07-01 15170968.304137299 2010-10-01 15304149.085053700 2011-01-01 15388264.906704700 2011-04-01 15344822.235593300 2011-07-01 15347388.453109900 2011-10-01 15413724.404592200 2012-01-01 15417841.858182300 2012-04-01 15491903.314228000 2012-07-01 15585211.108876500 2012-10-01 15538243.718713200 2013-01-01 15422269.622465900 2013-04-01 15397580.835756400 2013-07-01 15368077.491496900 2013-10-01 15370272.050280800 2014-01-01 15433387.043086698 2014-04-01 15420715.751440800 2014-07-01 15490170.384703900 2014-10-01 15550726.820768598 2015-01-01 15584053.011211600 2015-04-01 15545100.022386000 2015-07-01 15691142.744867500 2015-10-01 15764804.221534900 2016-01-01 15813455.448237300 2016-04-01 15956876.315502401 2016-07-01 15921230.036915000 2016-10-01 16024438.199345300 2017-01-01 16106914.585593000 2017-04-01 16129885.627367001 2017-07-01 16233002.400667600 2017-10-01 16191597.386372399 2018-01-01 16219570.374020000 2018-04-01 16361164.953191700