Quarter	Persons
1998-04-01	27883600
1999-04-01	27821200
2000-04-01	27754700
2001-04-01	27731300
2002-04-01	27655100
2003-04-01	27550800
2004-04-01	27484100
2005-01-01	27464900
2005-04-01	27565000
2005-07-01	27592700
2005-10-01	27609900
2006-01-01	27435700
2006-04-01	27521800
2006-07-01	27404700
2006-10-01	27565300
2007-01-01	27105000
2007-04-01	27310400
2007-07-01	27386200
2007-10-01	27387900
2008-01-01	27101900
2008-04-01	27126800
2008-07-01	27333300
2008-10-01	27288000
2009-01-01	27087000
2009-04-01	27041900
2009-07-01	26969000
2009-10-01	27120200
2010-01-01	26240500
2010-04-01	26204700
2010-07-01	26282300
2010-10-01	26269600
2011-01-01	26065100
2011-04-01	26208600
2011-07-01	26309800
2011-10-01	26252800
2012-01-01	26233700
2012-04-01	26283700
2012-07-01	26434500
2012-10-01	26387100
2013-01-01	26306800
2013-04-01	26427100
2013-07-01	26416400
2013-10-01	26443500
2014-01-01	26426800
2014-04-01	26540400
2014-07-01	26554300
2014-10-01	26550900
2015-01-01	26639700
2015-04-01	26653100
2015-07-01	26658500
2015-10-01	26823600
2016-01-01	27268300
2016-04-01	27188100
2016-07-01	27301600
2016-10-01	27297100
2017-01-01	27306700
2017-04-01	27228800
2017-07-01	27523300
2017-10-01	27234500
2018-01-01	27191500
2018-04-01	27086600