Quarter	Persons
1998-04-01	259300
1999-04-01	280600
2000-04-01	268100
2001-04-01	273800
2002-04-01	283100
2003-04-01	286800
2004-04-01	281000
2005-04-01	278700
2006-04-01	291200
2007-04-01	282700
2008-04-01	294100
2009-04-01	307800
2010-01-01	310500
2010-04-01	294400
2010-07-01	317100
2010-10-01	301700
2011-01-01	308000
2011-04-01	303400
2011-07-01	316200
2011-10-01	307800
2012-01-01	308100
2012-04-01	293300
2012-07-01	310900
2012-10-01	296100
2013-01-01	304200
2013-04-01	296700
2013-07-01	309800
2013-10-01	313900
2014-01-01	304000
2014-04-01	299000
2014-07-01	305100
2014-10-01	319700
2015-01-01	308400
2015-04-01	299100
2015-07-01	311000
2015-10-01	320700
2016-01-01	310500
2016-04-01	303500
2016-07-01	314100
2016-10-01	311300
2017-01-01	306200
2017-04-01	290500
2017-07-01	304300
2017-10-01	298900
2018-01-01	293900
2018-04-01	280500