Quarter	Persons, Seasonally Adjusted
2005-01-01	289362000
2005-04-01	289987000
2005-07-01	291218000
2005-10-01	292194000
2006-01-01	293206000
2006-04-01	294450000
2006-07-01	295567000
2006-10-01	296753000
2007-01-01	297744000
2007-04-01	298667000
2007-07-01	298940000
2007-10-01	299656000
2008-01-01	300332000
2008-04-01	300183000
2008-07-01	299331000
2008-10-01	297252000
2009-01-01	293592000
2009-04-01	291162000
2009-07-01	290098000
2009-10-01	290077000
2010-01-01	289538000
2010-04-01	290980000
2010-07-01	291428000
2010-10-01	291588000
2011-01-01	292934000
2011-04-01	293393000
2011-07-01	293671000
2011-10-01	294127000
2012-01-01	294187000
2012-04-01	294967000
2012-07-01	295382000
2012-10-01	295299000
2013-01-01	294861000
2013-04-01	295556000
2013-07-01	295670000
2013-10-01	296525000
2014-01-01	297645000
2014-04-01	298407000
2014-07-01	299443000
2014-10-01	300104000
2015-01-01	301212000
2015-04-01	301455000
2015-07-01	302604000
2015-10-01	303614000
2016-01-01	305110000
2016-04-01	305664000
2016-07-01	306384000
2016-10-01	307299000
2017-01-01	308282000
2017-04-01	309105000