Quarter	Persons
2005-01-01	29513000
2005-04-01	30484000
2005-07-01	31273000
2005-10-01	30597000
2006-01-01	29664000
2006-04-01	30684000
2006-07-01	31351000
2006-10-01	30603000
2007-01-01	29974000
2007-04-01	30665000
2007-07-01	31371000
2007-10-01	30786000
2008-01-01	29920000
2008-04-01	30642000
2008-07-01	30913000
2008-10-01	29761000
2009-01-01	28574000
2009-04-01	28942000
2009-07-01	29308000
2009-10-01	28336000
2010-01-01	27615000
2010-04-01	28202000
2010-07-01	28834000
2010-10-01	27778000
2011-01-01	27074000
2011-04-01	28009000
2011-07-01	28446000
2011-10-01	27903000
2012-01-01	27093000
2012-04-01	28176000
2012-07-01	28609000
2012-10-01	27785000
2013-01-01	27051000
2013-04-01	28096000
2013-07-01	28510000
2013-10-01	27923000
2014-01-01	27168000
2014-04-01	28232000
2014-07-01	28584000
2014-10-01	27997000
2015-01-01	27401000
2015-04-01	28476000
2015-07-01	28997000
2015-10-01	28605000
2016-01-01	27953000
2016-04-01	28747000
2016-07-01	29411000
2016-10-01	28616000
2017-01-01	28145000
2017-04-01	28974000