Quarter	Persons
1999-04-01	160800
2000-01-01	162600
2000-04-01	159300
2000-07-01	157700
2000-10-01	156700
2001-01-01	156000
2001-04-01	156400
2001-07-01	157100
2001-10-01	158700
2002-01-01	154200
2002-04-01	154700
2002-07-01	154000
2002-10-01	152500
2003-01-01	151200
2003-04-01	152400
2003-07-01	152700
2003-10-01	152000
2004-01-01	149500
2004-04-01	151400
2004-07-01	150800
2004-10-01	150400
2005-01-01	150200
2005-04-01	149900
2005-07-01	150300
2005-10-01	151400
2006-01-01	152300
2006-04-01	152000
2006-07-01	151400
2006-10-01	151800
2007-01-01	151300
2007-04-01	149900
2007-07-01	149800
2007-10-01	150400
2008-01-01	152700
2008-04-01	153200
2008-07-01	153300
2008-10-01	152800
2009-01-01	157300
2009-04-01	157200
2009-07-01	157800
2009-10-01	157800
2010-01-01	162500
2010-04-01	162500
2010-07-01	162500
2010-10-01	162500
2011-01-01	167700
2011-04-01	167000
2011-07-01	166900
2011-10-01	167600
2012-01-01	169600
2012-04-01	168700
2012-07-01	168900
2012-10-01	169600
2013-01-01	170000
2013-04-01	170600
2013-07-01	170300
2013-10-01	170600
2014-01-01	171100
2014-04-01	171100
2014-07-01	170800
2014-10-01	171100
2015-01-01	171200
2015-04-01	171200
2015-07-01	171000
2015-10-01	171000
2016-01-01	172200
2016-04-01	171600
2016-07-01	171700
2016-10-01	172000
2017-01-01	172200
2017-04-01	172400
2017-07-01	172300
2017-10-01	172800
2018-01-01	172800
2018-04-01	172800