Quarter Persons 1998-04-01 2216600 1999-04-01 2219600 2000-04-01 2223300 2001-04-01 2227700 2002-04-01 2237100 2003-04-01 2263500 2004-04-01 2262400 2005-04-01 2259900 2006-04-01 2291900 2007-04-01 2327400 2008-04-01 2355700 2009-04-01 2394600 2010-01-01 2376800 2010-04-01 2397500 2010-07-01 2412000 2010-10-01 2399600 2011-01-01 2415000 2011-04-01 2419900 2011-07-01 2447400 2011-10-01 2453200 2012-01-01 2431700 2012-04-01 2442200 2012-07-01 2483600 2012-10-01 2483000 2013-01-01 2474000 2013-04-01 2470800 2013-07-01 2484800 2013-10-01 2501700 2014-01-01 2495700 2014-04-01 2512000 2014-07-01 2520100 2014-10-01 2533900 2015-01-01 2539500 2015-04-01 2537700 2015-07-01 2550200 2015-10-01 2573900 2016-01-01 2570500 2016-04-01 2571300 2016-07-01 2596200 2016-10-01 2605500 2017-01-01 2583900 2017-04-01 2598800 2017-07-01 2620800 2017-10-01 2619900 2018-01-01 2598400 2018-04-01 2620200