Quarter	Persons
1998-01-01	921100
1999-01-01	915600
1999-04-01	911900
1999-07-01	911200
1999-10-01	908500
2000-01-01	908100
2000-04-01	911500
2000-07-01	910800
2000-10-01	910300
2001-01-01	906300
2001-04-01	909600
2001-07-01	909700
2001-10-01	911500
2002-01-01	911000
2002-04-01	918300
2002-07-01	917100
2002-10-01	922500
2003-01-01	936900
2003-04-01	943300
2003-07-01	940000
2003-10-01	947300
2004-01-01	956600
2004-04-01	965400
2004-07-01	964900
2004-10-01	973900
2005-01-01	980500
2005-04-01	980100
2005-07-01	979000
2005-10-01	981700
2006-01-01	985500
2006-04-01	983800
2006-07-01	978400
2006-10-01	982400
2007-01-01	986200
2007-04-01	987100
2007-07-01	984500
2007-10-01	982300
2008-01-01	986800
2008-04-01	992100
2008-07-01	989400
2008-10-01	986000
2009-01-01	987000
2009-04-01	989500
2009-07-01	986700
2009-10-01	985500
2010-01-01	987700
2010-04-01	984200
2010-07-01	982800
2010-10-01	982600
2011-01-01	980200
2011-04-01	982900
2011-07-01	977100
2011-10-01	977900
2012-01-01	981700
2012-04-01	984100
2012-07-01	981300
2012-10-01	980000
2013-01-01	981000
2013-04-01	984100
2013-07-01	981500
2013-10-01	978400
2014-01-01	978600
2014-04-01	977000
2014-07-01	972300
2014-10-01	976600
2015-01-01	970800
2015-04-01	974400
2015-07-01	971300
2015-10-01	978400
2016-01-01	985800
2016-04-01	989900
2016-07-01	982900
2016-10-01	972000
2017-01-01	962600
2017-04-01	963300
2017-07-01	954900
2017-10-01	943500
2018-01-01	943100
2018-04-01	940000