Quarter	Persons
1999-04-01	48600
2000-04-01	48500
2001-04-01	50000
2002-04-01	49700
2003-01-01	50200
2003-04-01	50200
2003-07-01	50200
2003-10-01	50200
2004-01-01	50500
2004-04-01	50500
2004-07-01	50500
2004-10-01	50500
2005-01-01	51700
2005-04-01	51700
2005-07-01	51700
2005-10-01	51700
2006-01-01	52500
2006-04-01	52500
2006-07-01	52500
2006-10-01	52500
2007-01-01	54600
2007-04-01	53500
2007-07-01	53600
2007-10-01	53600
2008-01-01	53500
2008-04-01	55800
2008-07-01	53400
2008-10-01	53400
2009-01-01	55800
2009-04-01	57000
2009-07-01	57100
2009-10-01	56500
2010-01-01	57500
2010-04-01	56800
2010-07-01	56600
2010-10-01	57000
2011-01-01	59200
2011-04-01	59300
2011-07-01	59500
2011-10-01	59700
2012-01-01	60900
2012-04-01	59700
2012-07-01	61100
2012-10-01	61800
2013-01-01	61800
2013-04-01	62100
2013-07-01	59500
2013-10-01	59500
2014-01-01	60100
2014-04-01	60500
2014-07-01	58600
2014-10-01	58800
2015-01-01	66100
2015-04-01	66100
2015-07-01	66100
2015-10-01	66100
2016-01-01	67400
2016-04-01	67400
2016-07-01	67400
2016-10-01	66400
2017-01-01	71200
2017-04-01	70000
2017-07-01	69100
2017-10-01	69100
2018-01-01	69700
2018-04-01	69700