Quarter	Persons
1998-01-01	27511200
1998-04-01	27556400
1998-07-01	27548000
1998-10-01	27549200
1999-01-01	27555800
1999-04-01	27570700
1999-07-01	27560100
1999-10-01	27581900
2000-01-01	27605200
2000-04-01	27648900
2000-07-01	27662900
2000-10-01	27685100
2001-01-01	27720700
2001-04-01	27748600
2001-07-01	27778400
2001-10-01	27809400
2002-01-01	27829200
2002-04-01	27868500
2002-07-01	27865400
2002-10-01	27869200
2003-01-01	27862400
2003-04-01	27874500
2003-07-01	27884400
2003-10-01	27871000
2004-01-01	27662000
2004-04-01	27786400
2004-07-01	27874900
2004-10-01	27997400
2005-01-01	28070600
2005-04-01	28173100
2005-07-01	28246700
2005-10-01	28277400
2006-01-01	28355000
2006-04-01	28397900
2006-07-01	28418000
2006-10-01	28451400
2007-01-01	28560700
2007-04-01	28593600
2007-07-01	28654400
2007-10-01	28706400
2008-01-01	28761700
2008-04-01	28829100
2008-07-01	28874300
2008-10-01	28929900
2009-01-01	28986600
2009-04-01	29031900
2009-07-01	29063900
2009-10-01	29105800
2010-01-01	29141700
2010-04-01	29167600
2010-07-01	29192400
2010-10-01	29220800
2011-01-01	29260100
2011-04-01	29294100
2011-07-01	29319900
2011-10-01	29342700
2012-01-01	29372300
2012-04-01	29393800
2012-07-01	29409800
2012-10-01	29426200
2013-01-01	29456700
2013-04-01	29488000
2013-07-01	29498700
2013-10-01	29506500
2014-01-01	29524100
2014-04-01	29537700
2014-07-01	29542000