Quarter Persons 1998-04-01 390900 1999-04-01 402100 2000-04-01 407000 2001-04-01 390000 2002-04-01 378100 2003-04-01 388300 2004-04-01 384100 2005-04-01 377800 2006-04-01 383000 2007-04-01 367500 2008-04-01 341900 2009-04-01 339500 2010-01-01 408300 2010-04-01 396000 2010-07-01 393900 2010-10-01 400100 2011-01-01 379700 2011-04-01 377000 2011-07-01 384500 2011-10-01 372700 2012-01-01 374600 2012-04-01 366700 2012-07-01 363400 2012-10-01 367800 2013-01-01 381600 2013-04-01 384500 2013-07-01 377600 2013-10-01 375100 2014-01-01 370700 2014-04-01 359900 2014-07-01 356900 2014-10-01 340300 2015-01-01 346900 2015-04-01 349700 2015-07-01 363500 2015-10-01 343000 2016-01-01 318400 2016-04-01 345800 2016-07-01 353100 2016-10-01 340500 2017-01-01 338200 2017-04-01 350300 2017-07-01 353300 2017-10-01 346800 2018-01-01 335000 2018-04-01 336100