Quarter Persons 1998-04-01 161300 1999-04-01 162100 2000-04-01 162400 2001-04-01 164500 2002-04-01 164800 2003-01-01 167500 2003-04-01 167500 2003-07-01 167500 2003-10-01 167500 2004-01-01 169200 2004-04-01 169200 2004-07-01 169200 2004-10-01 169200 2005-01-01 170800 2005-04-01 170800 2005-07-01 170800 2005-10-01 170800 2006-01-01 175400 2006-04-01 175400 2006-07-01 175400 2006-10-01 175400 2007-01-01 175400 2007-04-01 179700 2007-07-01 178800 2007-10-01 177900 2008-01-01 176500 2008-04-01 181700 2008-07-01 179700 2008-10-01 178400 2009-01-01 188400 2009-04-01 186400 2009-07-01 185200 2009-10-01 187400 2010-01-01 189600 2010-04-01 189500 2010-07-01 185400 2010-10-01 190200 2011-01-01 193700 2011-04-01 195900 2011-07-01 195000 2011-10-01 194700 2012-01-01 199500 2012-04-01 199600 2012-07-01 200200 2012-10-01 200100 2013-01-01 202500 2013-04-01 204100 2013-07-01 200500 2013-10-01 202100 2014-01-01 206600 2014-04-01 208400 2014-07-01 204500 2014-10-01 205700 2015-01-01 215700 2015-04-01 215700 2015-07-01 215700 2015-10-01 215700 2016-01-01 221800 2016-04-01 221800 2016-07-01 221800 2016-10-01 221700 2017-01-01 232900 2017-04-01 230500 2017-07-01 228300 2017-10-01 228300 2018-01-01 233100 2018-04-01 233100