Quarter	Persons
1999-04-01	36000
2000-04-01	37100
2001-04-01	36700
2002-04-01	36400
2003-01-01	36200
2003-04-01	36400
2003-07-01	36700
2003-10-01	36300
2004-01-01	36300
2004-04-01	36000
2004-07-01	36300
2004-10-01	36300
2005-01-01	36500
2005-04-01	36700
2005-07-01	36200
2005-10-01	36500
2006-01-01	36500
2006-04-01	37700
2006-07-01	38000
2006-10-01	37400
2007-01-01	37800
2007-04-01	39100
2007-07-01	38900
2007-10-01	39000
2008-01-01	39100
2008-04-01	40200
2008-07-01	40700
2008-10-01	40100
2009-01-01	40500
2009-04-01	40900
2009-07-01	39500
2009-10-01	40200
2010-01-01	40100
2010-04-01	40500
2010-07-01	40600
2010-10-01	41200
2011-01-01	40400
2011-04-01	41000
2011-07-01	41200
2011-10-01	41000
2012-01-01	40800
2012-04-01	40800
2012-07-01	40800
2012-10-01	40500
2013-01-01	40500
2013-04-01	40600
2013-07-01	40800
2013-10-01	41400
2014-01-01	41000
2014-04-01	40700
2014-07-01	40600
2014-10-01	39800
2015-01-01	40700
2015-04-01	40800
2015-07-01	39500
2015-10-01	39500
2016-01-01	39000
2016-04-01	39500
2016-07-01	39200
2016-10-01	39500
2017-01-01	40000
2017-04-01	40200
2017-07-01	39700
2017-10-01	39500
2018-01-01	39600
2018-04-01	40300