Quarter	Persons
1998-04-01	2230800
1999-01-01	2239900
1999-04-01	2239900
1999-07-01	2239900
1999-10-01	2237700
2000-01-01	2242700
2000-04-01	2242700
2000-07-01	2242700
2000-10-01	2242700
2001-01-01	2243300
2001-04-01	2243300
2001-07-01	2243300
2001-10-01	2243300
2002-01-01	2241300
2002-04-01	2241300
2002-07-01	2241300
2002-10-01	2241300
2003-01-01	2241600
2003-04-01	2241600
2003-07-01	2241600
2003-10-01	2241600
2004-01-01	2239100
2004-04-01	2238600
2004-07-01	2265500
2004-10-01	2239100
2005-01-01	2239600
2005-04-01	2240800
2005-07-01	2241500
2005-10-01	2243400
2006-01-01	2245300
2006-04-01	2246900
2006-07-01	2248300
2006-10-01	2253000
2007-01-01	2253800
2007-04-01	2254900
2007-07-01	2250900
2007-10-01	2259900
2008-01-01	2262100
2008-04-01	2262100
2008-07-01	2265900
2008-10-01	2268600
2009-01-01	2269900
2009-04-01	2270700
2009-07-01	2271700
2009-10-01	2274400
2010-01-01	2275600
2010-04-01	2275800
2010-07-01	2278100
2010-10-01	2282800
2011-01-01	2284100
2011-04-01	2284400
2011-07-01	2285600
2011-10-01	2288800
2012-01-01	2287700
2012-04-01	2289100
2012-07-01	2288000
2012-10-01	2292100
2013-01-01	2290400
2013-04-01	2288500
2013-07-01	2287300
2013-10-01	2287200
2014-01-01	2285700
2014-04-01	2285000
2014-07-01	2283000
2014-10-01	2283700
2015-01-01	2282600
2015-04-01	2281600
2015-07-01	2280000
2015-10-01	2287500
2016-01-01	2283100
2016-04-01	2279600
2016-07-01	2278100
2016-10-01	2279200
2017-01-01	2267000
2017-04-01	2266100
2017-07-01	2264000
2017-10-01	2264100
2018-01-01	2269900
2018-04-01	2269000