Quarter	Persons
2005-01-01	50.8
2005-04-01	51.4
2005-07-01	52.2
2005-10-01	52.0
2006-01-01	51.7
2006-04-01	52.3
2006-07-01	52.4
2006-10-01	51.9
2007-01-01	52.2
2007-04-01	53.5
2007-07-01	54.2
2007-10-01	52.8
2008-01-01	52.2
2008-04-01	52.7
2008-07-01	53.3
2008-10-01	52.1
2009-01-01	49.2
2009-04-01	48.9
2009-07-01	49.2
2009-10-01	47.7
2010-01-01	45.7
2010-04-01	46.1
2010-07-01	47.2
2010-10-01	47.8
2011-01-01	47.5
2011-04-01	48.8
2011-07-01	48.9
2011-10-01	49.0
2012-01-01	48.9
2012-04-01	50.3
2012-07-01	50.9
2012-10-01	49.9
2013-01-01	50.0
2013-04-01	51.3
2013-07-01	51.8
2013-10-01	51.6
2014-01-01	51.5
2014-04-01	52.2
2014-07-01	53.9
2014-10-01	52.9
2015-01-01	52.8
2015-04-01	53.7
2015-07-01	54.3
2015-10-01	54.2
2016-01-01	54.8
2016-04-01	55.8
2016-07-01	56.0
2016-10-01	55.8
2017-01-01	55.5
2017-04-01	56.6
2017-07-01	56.6
2017-10-01	56.6
2018-01-01	56.4
2018-04-01	57.6