Quarterly Persons
1998-01-01 20419700
1999-01-01 20511600
2000-01-01 20679600
2001-01-01 20867400
2002-01-01 20964500
2003-01-01 21153500
2003-04-01 21186000
2003-07-01 21214600
2003-10-01 21243700
2004-01-01 21279000
2004-04-01 21306200
2004-07-01 21353600
2004-10-01 21373500
2005-01-01 21405400
2005-04-01 21443800
2005-07-01 21462200
2005-10-01 21502800
2006-01-01 21534700
2006-04-01 21546800
2006-07-01 21584200
2006-10-01 21611100
2007-01-01 21629500
2007-04-01 21663700
2007-07-01 21687700
2007-10-01 21713500
2008-01-01 21727200
2008-04-01 21750700
2008-07-01 21772300
2008-10-01 21801100
2009-01-01 21810800
2009-04-01 21814400
2009-07-01 21832300
2009-10-01 21860600
2010-01-01 21871200
2010-04-01 21897500
2010-07-01 21925500
2010-10-01 21953600
2011-01-01 21964700
2011-04-01 21984500
2011-07-01 22006900
2011-10-01 22036200
2012-01-01 22047400
2012-04-01 22069300
2012-07-01 22091900
2012-10-01 22126900
2013-01-01 22143500
2013-04-01 22171500
2013-07-01 22193600
2013-10-01 22233300
2014-01-01 22861800
2014-04-01 22875600
2014-07-01 22903600
2014-10-01 22923100
2015-01-01 22934700
2015-04-01 22965100
2015-07-01 23000400
2015-10-01 23014700
2016-01-01 23057200
2016-04-01 23080800
2016-07-01 23113300
2016-10-01 23146300
2017-01-01 23209500
2017-04-01 23234900
2017-07-01 23258600
2017-10-01 23288700
2018-01-01 23299800
2018-04-01 23305500