Quarter	Persons, Seasonally Adjusted
2005-01-01	243513000
2005-04-01	244724000
2005-07-01	245765000
2005-10-01	246774000
2006-01-01	247428000
2006-04-01	248205000
2006-07-01	249525000
2006-10-01	250334000
2007-01-01	250893000
2007-04-01	251263000
2007-07-01	252256000
2007-10-01	253710000
2008-01-01	254281000
2008-04-01	255205000
2008-07-01	255595000
2008-10-01	256302000
2009-01-01	257159000
2009-04-01	257642000
2009-07-01	258582000
2009-10-01	258780000
2010-01-01	258835000
2010-04-01	259395000
2010-07-01	259686000
2010-10-01	259569000
2011-01-01	260059000
2011-04-01	260884000
2011-07-01	261411000
2011-10-01	262600000
2012-01-01	263746000
2012-04-01	265196000
2012-07-01	265748000
2012-10-01	266197000
2013-01-01	266557000
2013-04-01	267690000
2013-07-01	267984000
2013-10-01	268322000
2014-01-01	269242000
2014-04-01	269372000
2014-07-01	269889000
2014-10-01	270696000
2015-01-01	271214000
2015-04-01	271944000
2015-07-01	272543000
2015-10-01	273847000
2016-01-01	274988000
2016-04-01	275287000
2016-07-01	276785000
2016-10-01	276802000
2017-01-01	277819000
2017-04-01	278364000