Quarter	Persons
1999-04-01	150937000
1999-07-01	151517000
1999-10-01	151326000
2000-01-01	151340000
2000-04-01	153102000
2000-07-01	153312000
2000-10-01	153630000
2001-01-01	153315000
2001-04-01	154042000
2001-07-01	154293000
2001-10-01	154733000
2002-01-01	153927000
2002-04-01	155165000
2002-07-01	155746000
2002-10-01	155850000
2003-01-01	155575000
2003-04-01	157229000
2003-07-01	157271000
2003-10-01	156913000
2004-01-01	156585000
2004-04-01	158019000
2004-07-01	158620000
2004-10-01	158658000
2005-01-01	158150000
2005-04-01	159668000
2005-07-01	160419000
2005-10-01	160559000
2006-01-01	159888000
2006-04-01	161479000
2006-07-01	162474000
2006-10-01	162714000
2007-01-01	161422000
2007-04-01	162856000
2007-07-01	163863000
2007-10-01	164295000
2008-01-01	163086000
2008-04-01	164890000
2008-07-01	165317000
2008-10-01	165384000
2009-01-01	164465000
2009-04-01	165924000
2009-07-01	166003000
2009-10-01	165521000
2010-01-01	164533000
2010-04-01	165619000
2010-07-01	165862000
2010-10-01	165678000
2011-01-01	164796000
2011-04-01	165639000
2011-07-01	166034000
2011-10-01	166107000
2012-01-01	166248000
2012-04-01	167572000
2012-07-01	167803000
2012-10-01	168155000
2013-01-01	167676000
2013-04-01	168783000
2013-07-01	168959000
2013-10-01	169065000
2014-01-01	169156000
2014-04-01	170064000
2014-07-01	170230000
2014-10-01	170842000
2015-01-01	169976000
2015-04-01	171123000
2015-07-01	171075000
2015-10-01	171760000
2016-01-01	172122000
2016-04-01	172915000
2016-07-01	173742000
2016-10-01	173841000
2017-01-01	173539000
2017-04-01	174740000