Quarter	Persons, Seasonally Adjusted
2005-01-01	300267000
2005-04-01	301263000
2005-07-01	302700000
2005-10-01	303618000
2006-01-01	304736000
2006-04-01	305937000
2006-07-01	306976000
2006-10-01	308500000
2007-01-01	309613000
2007-04-01	310510000
2007-07-01	310932000
2007-10-01	311853000
2008-01-01	312685000
2008-04-01	312717000
2008-07-01	312078000
2008-10-01	309911000
2009-01-01	306093000
2009-04-01	303742000
2009-07-01	302864000
2009-10-01	302836000
2010-01-01	302262000
2010-04-01	304122000
2010-07-01	304666000
2010-10-01	304641000
2011-01-01	306263000
2011-04-01	306873000
2011-07-01	307394000
2011-10-01	308038000
2012-01-01	308433000
2012-04-01	309397000
2012-07-01	309854000
2012-10-01	310174000
2013-01-01	309899000
2013-04-01	310812000
2013-07-01	311020000
2013-10-01	311974000
2014-01-01	313370000
2014-04-01	314366000
2014-07-01	315620000
2014-10-01	316470000
2015-01-01	318056000
2015-04-01	318426000
2015-07-01	319607000
2015-10-01	320790000
2016-01-01	322734000
2016-04-01	323412000
2016-07-01	324306000
2016-10-01	325257000
2017-01-01	326575000
2017-04-01	327518000