Quarterly Persons
1999-04-01 310500
2000-01-01 322100
2000-04-01 321000
2000-07-01 323400
2000-10-01 322700
2001-01-01 313200
2001-04-01 317600
2001-07-01 329000
2001-10-01 317000
2002-01-01 304200
2002-04-01 308700
2002-07-01 318800
2002-10-01 319300
2003-01-01 313200
2003-04-01 315900
2003-07-01 321200
2003-10-01 322700
2004-01-01 320600
2004-04-01 321200
2004-07-01 317900
2004-10-01 314400
2005-01-01 320500
2005-04-01 325800
2005-07-01 318300
2005-10-01 321300
2006-01-01 325000
2006-04-01 334400
2006-07-01 325300
2006-10-01 325500
2007-01-01 318000
2007-04-01 324600
2007-07-01 323900
2007-10-01 317700
2008-01-01 317500
2008-04-01 319700
2008-07-01 332400
2008-10-01 334100
2009-01-01 327900
2009-04-01 324600
2009-07-01 325500
2009-10-01 325300
2010-01-01 329700
2010-04-01 328200
2010-07-01 325400
2010-10-01 321400
2011-01-01 319300
2011-04-01 326700
2011-07-01 332600
2011-10-01 323000
2012-01-01 322500
2012-04-01 323500
2012-07-01 323500
2012-10-01 315400
2013-01-01 318800
2013-04-01 321700
2013-07-01 315900
2013-10-01 319500
2014-01-01 306400
2014-04-01 312000
2014-07-01 318200
2014-10-01 314300
2015-01-01 307500
2015-04-01 315800
2015-07-01 321900
2015-10-01 318800
2016-01-01 308500
2016-04-01 318700
2016-07-01 319300
2016-10-01 312500
2017-01-01 316000
2017-04-01 317900
2017-07-01 318100
2017-10-01 326100
2018-01-01 320300
2018-04-01 317200