Quarter	Persons
1998-04-01	170598000
1999-04-01	172012000
2000-04-01	222556200
2001-04-01	223442000
2002-04-01	224413900
2003-04-01	225910200
2004-04-01	227483600
2005-01-01	229254500
2005-04-01	230691300
2005-07-01	232000200
2005-10-01	232143800
2006-01-01	231846800
2006-04-01	233466900
2006-07-01	235268100
2006-10-01	234519800
2007-01-01	235082500
2007-04-01	236805800
2007-07-01	239093800
2007-10-01	238373200
2008-01-01	237708100
2008-04-01	239317100
2008-07-01	241034900
2008-10-01	240421700
2009-01-01	239425000
2009-04-01	240391100
2009-07-01	240906400
2009-10-01	240606000
2010-01-01	237841600
2010-04-01	239049500
2010-07-01	239693900
2010-10-01	239127700
2011-01-01	237944900
2011-04-01	239115200
2011-07-01	239896300
2011-10-01	240006700
2012-01-01	239222900
2012-04-01	240906500
2012-07-01	242092000
2012-10-01	241694100
2013-01-01	240376300
2013-04-01	241737700
2013-07-01	242449700
2013-10-01	241957800
2014-01-01	242076000
2014-04-01	242873700
2014-07-01	244089800
2014-10-01	243881600
2015-01-01	242662600
2015-04-01	243587900
2015-07-01	244518100
2015-10-01	244588900
2016-01-01	243971500
2016-04-01	245200100
2016-07-01	246135800
2016-10-01	245667800
2017-01-01	244760400
2017-04-01	246500300
2017-07-01	247682700
2017-10-01	246791600
2018-01-01	246020400
2018-04-01	247273600