Quarter	Persons
1999-04-01	46400
2000-04-01	49100
2001-04-01	48700
2002-04-01	49300
2003-01-01	48700
2003-04-01	50000
2003-07-01	49800
2003-10-01	49500
2004-01-01	49200
2004-04-01	49700
2004-07-01	48000
2004-10-01	48600
2005-01-01	49100
2005-04-01	49500
2005-07-01	48200
2005-10-01	49300
2006-01-01	49800
2006-04-01	50600
2006-07-01	49700
2006-10-01	50300
2007-01-01	51500
2007-04-01	52000
2007-07-01	51400
2007-10-01	50500
2008-01-01	50600
2008-04-01	51900
2008-07-01	52500
2008-10-01	52300
2009-01-01	51300
2009-04-01	50400
2009-07-01	50900
2009-10-01	51000
2010-01-01	51300
2010-04-01	50300
2010-07-01	50600
2010-10-01	51400
2011-01-01	52200
2011-04-01	51600
2011-07-01	50100
2011-10-01	48800
2012-01-01	50000
2012-04-01	52600
2012-07-01	50400
2012-10-01	51000
2013-01-01	50500
2013-04-01	50900
2013-07-01	52100
2013-10-01	51500
2014-01-01	50400
2014-04-01	52100
2014-07-01	52600
2014-10-01	52900
2015-01-01	52900
2015-04-01	54100
2015-07-01	52400
2015-10-01	54700
2016-01-01	54400
2016-04-01	54700
2016-07-01	55500
2016-10-01	56400
2017-01-01	55400
2017-04-01	56100
2017-07-01	56300
2017-10-01	57600
2018-01-01	57300
2018-04-01	56700