Quarterly Persons
1999-04-01 267000
2000-01-01 280500
2000-04-01 282400
2000-07-01 290900
2000-10-01 288300
2001-01-01 282900
2001-04-01 286000
2001-07-01 284300
2001-10-01 283700
2002-01-01 283500
2002-04-01 283500
2002-07-01 281100
2002-10-01 282500
2003-01-01 281900
2003-04-01 281700
2003-07-01 281900
2003-10-01 281000
2004-01-01 277800
2004-04-01 278000
2004-07-01 278900
2004-10-01 276500
2005-01-01 277400
2005-04-01 278600
2005-07-01 275600
2005-10-01 277300
2006-01-01 277500
2006-04-01 277100
2006-07-01 277400
2006-10-01 278300
2007-01-01 276300
2007-04-01 276000
2007-07-01 276000
2007-10-01 275900
2008-01-01 275400
2008-04-01 275400
2008-07-01 275000
2008-10-01 273500
2009-01-01 274100
2009-04-01 274800
2009-07-01 275600
2009-10-01 274300
2010-01-01 274100
2010-04-01 274000
2010-07-01 276100
2010-10-01 275300
2011-01-01 274500
2011-04-01 275200
2011-07-01 275200
2011-10-01 275200
2012-01-01 274700
2012-04-01 274200
2012-07-01 274300
2012-10-01 274700
2013-01-01 274600
2013-04-01 274500
2013-07-01 274200
2013-10-01 273600
2014-01-01 274500
2014-04-01 274700
2014-07-01 274600
2014-10-01 274100
2015-01-01 275600
2015-04-01 275400
2015-07-01 275300
2015-10-01 274700
2016-01-01 275600
2016-04-01 275800
2016-07-01 275400
2016-10-01 276700
2017-01-01 276200
2017-04-01 276200
2017-07-01 275800
2017-10-01 276600
2018-01-01 277900
2018-04-01 277600