Quarter	Persons
1998-04-01	318156000
1999-04-01	319814000
1999-07-01	321866000
1999-10-01	322052000
2000-01-01	320673000
2000-04-01	325229000
2000-07-01	326666000
2000-10-01	327343000
2001-01-01	324050000
2001-04-01	326652000
2001-07-01	327274000
2001-10-01	326200000
2002-01-01	322338000
2002-04-01	325757000
2002-07-01	327576000
2002-10-01	326725000
2003-01-01	323585000
2003-04-01	327629000
2003-07-01	328866000
2003-10-01	328633000
2004-01-01	325484000
2004-04-01	330103000
2004-07-01	332178000
2004-10-01	331887000
2005-01-01	329168000
2005-04-01	334227000
2005-07-01	336491000
2005-10-01	335740000
2006-01-01	333717000
2006-04-01	338986000
2006-07-01	341111000
2006-10-01	341512000
2007-01-01	338288000
2007-04-01	343245000
2007-07-01	345018000
2007-10-01	344734000
2008-01-01	340915000
2008-04-01	344955000
2008-07-01	345393000
2008-10-01	342909000
2009-01-01	335194000
2009-04-01	336813000
2009-07-01	336048000
2009-10-01	334557000
2010-01-01	330604000
2010-04-01	335151000
2010-07-01	336357000
2010-10-01	335432000
2011-01-01	333088000
2011-04-01	336940000
2011-07-01	337731000
2011-10-01	338045000
2012-01-01	335821000
2012-04-01	340264000
2012-07-01	341469000
2012-10-01	341633000
2013-01-01	338388000
2013-04-01	342931000
2013-07-01	344143000
2013-10-01	343928000
2014-01-01	342774000
2014-04-01	347338000
2014-07-01	348785000
2014-10-01	349251000
2015-01-01	347347000
2015-04-01	351243000
2015-07-01	352622000
2015-10-01	353139000
2016-01-01	352712000
2016-04-01	356496000
2016-07-01	358292000
2016-10-01	358107000
2017-01-01	356288000
2017-04-01	360818000