Quarter	Persons
2005-01-01	58.0
2005-04-01	59.5
2005-07-01	59.8
2005-10-01	60.9
2006-01-01	56.6
2006-04-01	55.6
2006-07-01	55.6
2006-10-01	54.2
2007-01-01	58.7
2007-04-01	61.2
2007-07-01	64.0
2007-10-01	58.6
2008-01-01	59.7
2008-04-01	62.3
2008-07-01	58.9
2008-10-01	59.9
2009-01-01	59.0
2009-04-01	57.7
2009-07-01	54.2
2009-10-01	51.2
2010-01-01	50.5
2010-04-01	51.5
2010-07-01	52.9
2010-10-01	53.3
2011-01-01	52.5
2011-04-01	53.0
2011-07-01	55.8
2011-10-01	54.9
2012-01-01	54.1
2012-04-01	56.3
2012-07-01	58.1
2012-10-01	55.0
2013-01-01	54.7
2013-04-01	55.2
2013-07-01	56.9
2013-10-01	57.8
2014-01-01	57.9
2014-04-01	58.5
2014-07-01	60.5
2014-10-01	58.3
2015-01-01	60.9
2015-04-01	62.3
2015-07-01	63.4
2015-10-01	63.1
2016-01-01	64.6
2016-04-01	67.8
2016-07-01	68.5
2016-10-01	66.4
2017-01-01	65.1
2017-04-01	66.9
2017-07-01	67.7
2017-10-01	69.0
2018-01-01	69.6
2018-04-01	70.0