Quarterly Persons
1998-04-01 135580100
1999-04-01 137125300
2000-04-01 138315800
2001-04-01 138992200
2002-04-01 140806500
2003-04-01 146789000
2004-04-01 148035000
2005-01-01 152574000
2005-04-01 153389900
2005-07-01 153850700
2005-10-01 154328000
2006-01-01 154439300
2006-04-01 155129200
2006-07-01 155743400
2006-10-01 156138500
2007-01-01 155503700
2007-04-01 156634600
2007-07-01 157966500
2007-10-01 157960300
2008-01-01 157522300
2008-04-01 158406400
2008-07-01 159321100
2008-10-01 159283400
2009-01-01 158605400
2009-04-01 159027800
2009-07-01 158820700
2009-10-01 159409400
2010-01-01 157890000
2010-04-01 158168800
2010-07-01 158157100
2010-10-01 158468800
2011-01-01 157605200
2011-04-01 158287000
2011-07-01 158524400
2011-10-01 159093400
2012-01-01 158676100
2012-04-01 159513200
2012-07-01 159946000
2012-10-01 160043200
2013-01-01 159392900
2013-04-01 159915200
2013-07-01 159979000
2013-10-01 159980700
2014-01-01 160233800
2014-04-01 160571800
2014-07-01 160964000
2014-10-01 161435500
2015-01-01 160615600
2015-04-01 161050200
2015-07-01 161186600
2015-10-01 161700200
2016-01-01 161731900
2016-04-01 162327000
2016-07-01 162851100
2016-10-01 162859200
2017-01-01 162202800
2017-04-01 162790700
2017-07-01 163788400
2017-10-01 163565900
2018-01-01 163025900
2018-04-01 163616600