Quarter	Persons
1998-04-01	1208800
1999-04-01	1203700
2000-04-01	1212600
2001-04-01	1234400
2002-04-01	1260600
2003-04-01	1255300
2004-04-01	1256000
2005-04-01	1268000
2006-04-01	1272800
2007-04-01	1294100
2008-04-01	1341900
2009-04-01	1355400
2010-01-01	1315700
2010-04-01	1321700
2010-07-01	1322000
2010-10-01	1334200
2011-01-01	1346600
2011-04-01	1355300
2011-07-01	1341000
2011-10-01	1372400
2012-01-01	1373300
2012-04-01	1375700
2012-07-01	1380900
2012-10-01	1387600
2013-01-01	1377000
2013-04-01	1386900
2013-07-01	1389300
2013-10-01	1398700
2014-01-01	1398500
2014-04-01	1415100
2014-07-01	1419700
2014-10-01	1439900
2015-01-01	1437500
2015-04-01	1434000
2015-07-01	1424400
2015-10-01	1441600
2016-01-01	1457100
2016-04-01	1442700
2016-07-01	1440400
2016-10-01	1460300
2017-01-01	1456000
2017-04-01	1449800
2017-07-01	1448800
2017-10-01	1460000
2018-01-01	1461100
2018-04-01	1455100