Quarterly Persons
1999-04-01 26818100
1999-07-01 27116600
1999-10-01 27188200
2000-01-01 27083600
2000-04-01 27203900
2000-07-01 27497100
2000-10-01 27442700
2001-01-01 27415100
2001-04-01 27490200
2001-07-01 27674000
2001-10-01 27714400
2002-01-01 27583300
2002-04-01 27676100
2002-07-01 27878700
2002-10-01 27952400
2003-01-01 27854600
2003-04-01 27972600
2003-07-01 28152100
2003-10-01 28192100
2004-01-01 28242800
2004-04-01 28249900
2004-07-01 28386700
2004-10-01 28535600
2005-01-01 28606800
2005-04-01 28531400
2005-07-01 28791400
2005-10-01 28760700
2006-01-01 28815300
2006-04-01 28880600
2006-07-01 29103900
2006-10-01 29096500
2007-01-01 28927100
2007-04-01 29052600
2007-07-01 29318300
2007-10-01 29465000
2008-01-01 29414400
2008-04-01 29470900
2008-07-01 29489000
2008-10-01 29428200
2009-01-01 29129000
2009-04-01 28857700
2009-07-01 28985400
2009-10-01 29004300
2010-01-01 28767800
2010-04-01 28932800
2010-07-01 29267900
2010-10-01 29200300
2011-01-01 29152200
2011-04-01 29170100
2011-07-01 29197600
2011-10-01 29222500
2012-01-01 29148200
2012-04-01 29373500
2012-07-01 29647000
2012-10-01 29768000
2013-01-01 29582300
2013-04-01 29664500
2013-07-01 29975400
2013-10-01 30171000
2014-01-01 30221200
2014-04-01 30423000
2014-07-01 30700000
2014-10-01 30791300
2015-01-01 30823500
2015-04-01 30837400
2015-07-01 31165400
2015-10-01 31352900
2016-01-01 31262700
2016-04-01 31402600
2016-07-01 31606100
2016-10-01 31667600
2017-01-01 31648600
2017-04-01 31798900
2017-07-01 31888900
2017-10-01 31986100
2018-01-01 32047000
2018-04-01 32072200