Quarter	Persons, Seasonally Adjusted
1999-01-01	508391.69648918900
1999-04-01	516043.57465138903
1999-07-01	512436.05489439700
1999-10-01	514928.67396502505
2000-01-01	511735.66414156500
2000-04-01	515274.06098768600
2000-07-01	523538.50500841100
2000-10-01	521951.76986233797
2001-01-01	524090.75025347100
2001-04-01	524194.72294098200
2001-07-01	530324.01718573490
2001-10-01	527090.50961981310
2002-01-01	536020.74483780810
2002-04-01	527446.43780883400
2002-07-01	514409.52368968795
2002-10-01	514223.29366366897
2003-01-01	516976.64881451700
2003-04-01	518551.54590897300
2003-07-01	516103.06777564995
2003-10-01	532268.73750086000
2004-01-01	537812.89327088200
2004-04-01	541284.97912051500
2004-07-01	547494.45647186700
2004-10-01	543707.67113673600
2005-01-01	544783.18784068990
2005-04-01	541373.93846720000
2005-07-01	546654.64626831000
2005-10-01	553388.22742379900
2006-01-01	547828.24091105400
2006-04-01	546818.04023468600
2006-07-01	548119.05422727600
2006-10-01	546034.66462698390
2007-01-01	551736.13434790000
2007-04-01	559556.19324257100
2007-07-01	561608.84164552100
2007-10-01	559498.83076400800
2008-01-01	559862.93369320700
2008-04-01	559534.82001235210
2008-07-01	571527.84634005600
2008-10-01	561574.39995438490
2009-01-01	549553.21624710990
2009-04-01	560688.64360354700
2009-07-01	564812.34286016600
2009-10-01	565945.79728917800
2010-01-01	568237.21259936900
2010-04-01	561398.37322397400
2010-07-01	557946.10220724300
2010-10-01	562118.31196941400
2011-01-01	552628.34868433600
2011-04-01	549189.03286655700
2011-07-01	546243.12573559500
2011-10-01	544239.49271351100
2012-01-01	543478.03817328800
2012-04-01	538838.60203281800
2012-07-01	542535.29470574800
2012-10-01	548248.06508814590
2013-01-01	545519.29450999200
2013-04-01	544983.68782910300
2013-07-01	542312.18201117890
2013-10-01	542284.83564972600
2014-01-01	543330.99000715000
2014-04-01	545205.02855882200
2014-07-01	541480.41415049390
2014-10-01	545783.56728353500
2015-01-01	544434.07974423910
2015-04-01	544043.49790809200
2015-07-01	544365.22281339300
2015-10-01	534957.19953427600
2016-01-01	528872.66326848300
2016-04-01	529537.59583810700
2016-07-01	526099.91729900200
2016-10-01	532589.82359440700
2017-01-01	543267.16658985700
2017-04-01	544885.92588453800
2017-07-01	546252.40054442900
2017-10-01	546394.50698117610
2018-01-01	550745.24737429600
2018-04-01	556139.48460979100