Quarter	Persons, Seasonally Adjusted
2003-01-01	515873000
2003-04-01	516097000
2003-07-01	516382000
2003-10-01	517579000
2004-01-01	520336000
2004-04-01	521789000
2004-07-01	523331000
2004-10-01	525426000
2005-01-01	526839000
2005-04-01	529021000
2005-07-01	531691000
2005-10-01	533492000
2006-01-01	535852000
2006-04-01	538240000
2006-07-01	540662000
2006-10-01	543488000
2007-01-01	545541000
2007-04-01	547149000
2007-07-01	548515000
2007-10-01	550836000
2008-01-01	552354000
2008-04-01	552876000
2008-07-01	552189000
2008-10-01	549824000
2009-01-01	544802000
2009-04-01	541701000
2009-07-01	541007000
2009-10-01	541097000
2010-01-01	540415000
2010-04-01	542722000
2010-07-01	543640000
2010-10-01	543358000
2011-01-01	545847000
2011-04-01	547186000
2011-07-01	547972000
2011-10-01	549813000
2012-01-01	551066000
2012-04-01	553374000
2012-07-01	554374000
2012-10-01	554846000
2013-01-01	554827000
2013-04-01	557086000
2013-07-01	558104000
2013-10-01	559458000
2014-01-01	562017000
2014-04-01	563661000
2014-07-01	565386000
2014-10-01	567491000
2015-01-01	570167000
2015-04-01	571418000
2015-07-01	573654000
2015-10-01	576439000
2016-01-01	579674000
2016-04-01	580887000
2016-07-01	583238000
2016-10-01	584696000
2017-01-01	587191000
2017-04-01	589191000