Quarterly Persons
1998-01-01 18154800
1999-01-01 18280200
2000-01-01 18414900
2001-01-01 18602600
2002-01-01 18678600
2003-01-01 18886600
2003-04-01 18914100
2003-07-01 18949100
2003-10-01 18974800
2004-01-01 19015500
2004-04-01 19032000
2004-07-01 19080600
2004-10-01 19114500
2005-01-01 19134000
2005-04-01 19185400
2005-07-01 19206900
2005-10-01 19242700
2006-01-01 19292100
2006-04-01 19312400
2006-07-01 19344300
2006-10-01 19389300
2007-01-01 19415300
2007-04-01 19442800
2007-07-01 19476200
2007-10-01 19501400
2008-01-01 19503400
2008-04-01 19536200
2008-07-01 19544600
2008-10-01 19567700
2009-01-01 19576200
2009-04-01 19575300
2009-07-01 19586600
2009-10-01 19620500
2010-01-01 19617300
2010-04-01 19645800
2010-07-01 19663700
2010-10-01 19680900
2011-01-01 19675900
2011-04-01 19669000
2011-07-01 19658700
2011-10-01 19656700
2012-01-01 19642500
2012-04-01 19629800
2012-07-01 19623300
2012-10-01 19622000
2013-01-01 19606800
2013-04-01 19602400
2013-07-01 19591700
2013-10-01 19592200
2014-01-01 20129500
2014-04-01 20121900
2014-07-01 20109300
2014-10-01 20098100
2015-01-01 20093400
2015-04-01 20080800
2015-07-01 20087700
2015-10-01 20070600
2016-01-01 20074600
2016-04-01 20067200
2016-07-01 20067400
2016-10-01 20077200
2017-01-01 20091600
2017-04-01 20088700
2017-07-01 20093200
2017-10-01 20088100
2018-01-01 20069300
2018-04-01 20054800