Quarter	Persons
1998-04-01	1410900
1999-04-01	1449600
2000-04-01	1461000
2001-01-01	1478500
2001-04-01	1479300
2001-07-01	1480800
2001-10-01	1477000
2002-01-01	1468300
2002-04-01	1476500
2002-07-01	1473200
2002-10-01	1463300
2003-01-01	1450900
2003-04-01	1462900
2003-07-01	1452500
2003-10-01	1442700
2004-01-01	1427200
2004-04-01	1439400
2004-07-01	1435700
2004-10-01	1421900
2005-01-01	1414600
2005-04-01	1430800
2005-07-01	1429800
2005-10-01	1430800
2006-01-01	1420700
2006-04-01	1437500
2006-07-01	1453200
2006-10-01	1455600
2007-01-01	1454200
2007-04-01	1471100
2007-07-01	1475400
2007-10-01	1478800
2008-01-01	1475300
2008-04-01	1488200
2008-07-01	1489100
2008-10-01	1479900
2009-01-01	1464000
2009-04-01	1469100
2009-07-01	1469900
2009-10-01	1452600
2010-01-01	1438000
2010-04-01	1454600
2010-07-01	1464200
2010-10-01	1461200
2011-01-01	1467600
2011-04-01	1492400
2011-07-01	1494400
2011-10-01	1496900
2012-01-01	1491700
2012-04-01	1508300
2012-07-01	1511900
2012-10-01	1505200
2013-01-01	1504300
2013-04-01	1528600
2013-07-01	1526900
2013-10-01	1524500
2014-01-01	1517700
2014-04-01	1540700
2014-07-01	1555100
2014-10-01	1544100
2015-01-01	1541800
2015-04-01	1566200
2015-07-01	1581000
2015-10-01	1585400
2016-01-01	1579600
2016-04-01	1599200
2016-07-01	1610300
2016-10-01	1614100
2017-01-01	1621400
2017-04-01	1636400
2017-07-01	1646200
2017-10-01	1641300
2018-01-01	1638500
2018-04-01	1666000