Quarter	Persons, Seasonally Adjusted
1998-04-01	1264800
1999-04-01	1270500
2000-04-01	1295000
2001-04-01	1267500
2002-04-01	1267700
2003-04-01	1274600
2004-04-01	1297100
2005-04-01	1301300
2006-04-01	1298300
2007-04-01	1303800
2008-04-01	1275400
2009-04-01	1283900
2010-01-01	1346400
2010-04-01	1354400
2010-07-01	1342200
2010-10-01	1358500
2011-01-01	1343800
2011-04-01	1347100
2011-07-01	1350100
2011-10-01	1336400
2012-01-01	1345900
2012-04-01	1352200
2012-07-01	1340500
2012-10-01	1358300
2013-01-01	1353500
2013-04-01	1356300
2013-07-01	1350800
2013-10-01	1351500
2014-01-01	1361000
2014-04-01	1349300
2014-07-01	1344500
2014-10-01	1312100
2015-01-01	1341500
2015-04-01	1351800
2015-07-01	1346800
2015-10-01	1330100
2016-01-01	1320400
2016-04-01	1343000
2016-07-01	1342800
2016-10-01	1332500
2017-01-01	1339400
2017-04-01	1357800
2017-07-01	1357400
2017-10-01	1354500
2018-01-01	1344500
2018-04-01	1358800