Quarter	Persons
1998-01-01	16196200
1998-04-01	15856300
1998-07-01	15710100
1998-10-01	15638200
1999-01-01	15828000
1999-04-01	15622700
1999-07-01	15484500
1999-10-01	15526600
2000-01-01	15698000
2000-04-01	15487500
2000-07-01	15252700
2000-10-01	15174100
2001-01-01	15338400
2001-04-01	15332800
2001-07-01	15100700
2001-10-01	15095500
2002-01-01	15174900
2002-04-01	15072700
2002-07-01	14971400
2002-10-01	14959800
2003-01-01	15034600
2003-04-01	14839700
2003-07-01	14836100
2003-10-01	14870100
2004-01-01	14254800
2004-04-01	14170300
2004-07-01	14255400
2004-10-01	14070600
2005-01-01	14345400
2005-04-01	14343900
2005-07-01	14614200
2005-10-01	14216300
2006-01-01	14330700
2006-04-01	14217500
2006-07-01	14521100
2006-10-01	14287500
2007-01-01	14670700
2007-04-01	14441900
2007-07-01	14412200
2007-10-01	14299600
2008-01-01	14413700
2008-04-01	14161000
2008-07-01	14437400
2008-10-01	14414100
2009-01-01	14647800
2009-04-01	14596900
2009-07-01	14829900
2009-10-01	14665200
2010-01-01	14736500
2010-04-01	14703900
2010-07-01	15122100
2010-10-01	14738800
2011-01-01	14849200
2011-04-01	14900600
2011-07-01	15063400
2011-10-01	14557200
2012-01-01	14326400
2012-04-01	14166800
2012-07-01	14492100
2012-10-01	14115800
2013-01-01	14245700
2013-04-01	14376600
2013-07-01	14615900
2013-10-01	14182800
2014-01-01	14159100
2014-04-01	14244500
2014-07-01	14263700
2014-10-01	13819800
2015-01-01	14107700
2015-04-01	13973200
2015-07-01	14215000
2015-10-01	13855500
2016-01-01	13939600
2016-04-01	13483900
2016-07-01	13687400
2016-10-01	13400100
2017-01-01	13466600
2017-04-01	13408300
2017-07-01	13387300
2017-10-01	13282200
2018-01-01	13379700
2018-04-01	13014100