Quarter	Persons
1998-04-01	2159700
1999-04-01	2156400
2000-04-01	2159800
2001-04-01	2165000
2002-04-01	2178400
2003-04-01	2195300
2004-04-01	2201700
2005-04-01	2205500
2006-04-01	2231800
2007-04-01	2260500
2008-04-01	2284800
2009-04-01	2315700
2010-01-01	2309400
2010-04-01	2320400
2010-07-01	2337700
2010-10-01	2321600
2011-01-01	2338700
2011-04-01	2339200
2011-07-01	2364300
2011-10-01	2363700
2012-01-01	2351100
2012-04-01	2356800
2012-07-01	2397700
2012-10-01	2391100
2013-01-01	2384600
2013-04-01	2377600
2013-07-01	2399600
2013-10-01	2411700
2014-01-01	2399400
2014-04-01	2406800
2014-07-01	2427500
2014-10-01	2435100
2015-01-01	2439600
2015-04-01	2433200
2015-07-01	2447200
2015-10-01	2470200
2016-01-01	2462800
2016-04-01	2457400
2016-07-01	2481500
2016-10-01	2491100
2017-01-01	2477900
2017-04-01	2487900
2017-07-01	2508600
2017-10-01	2502600
2018-01-01	2490600
2018-04-01	2502200