Quarterly Persons
1999-01-01 30136200
2000-01-01 30487200
2000-04-01 30535300
2000-07-01 30693900
2000-10-01 30671200
2001-01-01 30635400
2001-04-01 30711900
2001-07-01 30915200
2001-10-01 30884300
2002-01-01 30934500
2002-04-01 30992500
2002-07-01 31132400
2002-10-01 31102000
2003-01-01 30859500
2003-04-01 31002500
2003-07-01 30940900
2003-10-01 31006200
2004-01-01 31053900
2004-04-01 31096100
2004-07-01 31145000
2004-10-01 31195900
2005-01-01 31238500
2005-04-01 31241400
2005-07-01 31216900
2005-10-01 31334200
2006-01-01 31374700
2006-04-01 31361600
2006-07-01 31343700
2006-10-01 31380700
2007-01-01 31459700
2007-04-01 31337500
2007-07-01 31368700
2007-10-01 31402300
2008-01-01 31423300
2008-04-01 31329800
2008-07-01 31353700
2008-10-01 31382900
2009-01-01 31402900
2009-04-01 31454200
2009-07-01 31479100
2009-10-01 31505300
2010-01-01 30932100
2010-04-01 30946100
2010-07-01 30963000
2010-10-01 30978900
2011-01-01 30987900
2011-04-01 30992500
2011-07-01 31006300
2011-10-01 31023400
2012-01-01 31030800
2012-04-01 31032100
2012-07-01 31038500
2012-10-01 31049300
2013-01-01 31046200
2013-04-01 31033700
2013-07-01 31031400
2013-10-01 31034100
2014-01-01 31032100
2014-04-01 30967000
2014-07-01 30968400
2014-10-01 30969800
2015-01-01 30962300
2015-04-01 30962200
2015-07-01 30961900
2015-10-01 30962000
2016-01-01 30709800
2016-04-01 30710000
2016-07-01 30695600
2016-10-01 30695600
2017-01-01 30612400
2017-04-01 30612800
2017-07-01 30578000
2017-10-01 30574600
2018-01-01 30458400
2018-04-01 30428800