Quarter	Persons
2000-04-01	15656100
2001-04-01	15734800
2002-04-01	15829900
2003-04-01	16131600
2004-04-01	16126900
2005-01-01	16382700
2005-04-01	16308600
2005-07-01	15725000
2005-10-01	16316700
2006-01-01	16528000
2006-04-01	16368500
2006-07-01	15630100
2006-10-01	16203800
2007-01-01	16492800
2007-04-01	16419500
2007-07-01	15657200
2007-10-01	16273000
2008-01-01	16318400
2008-04-01	16148400
2008-07-01	15501400
2008-10-01	16131000
2009-01-01	16301400
2009-04-01	16266500
2009-07-01	15636100
2009-10-01	16344800
2010-01-01	16202900
2010-04-01	15991600
2010-07-01	15580000
2010-10-01	16011600
2011-01-01	16197400
2011-04-01	16070000
2011-07-01	15523200
2011-10-01	15894200
2012-01-01	16188100
2012-04-01	15962500
2012-07-01	15439500
2012-10-01	15837700
2013-01-01	16041400
2013-04-01	15881800
2013-07-01	15358000
2013-10-01	15828100
2014-01-01	16030600
2014-04-01	16010000
2014-07-01	15365900
2014-10-01	15808000
2015-01-01	15913100
2015-04-01	15946800
2015-07-01	15358300
2015-10-01	15647500
2016-01-01	15949600
2016-04-01	15773100
2016-07-01	15335600
2016-10-01	15635500
2017-01-01	15909800
2017-04-01	15711700
2017-07-01	15171200
2017-10-01	15495000
2018-01-01	15673700
2018-04-01	15496100