Quarterly Persons
1999-04-01 22251500
2000-04-01 22082400
2001-04-01 22060500
2002-04-01 21993200
2003-04-01 21990600
2004-04-01 21948300
2005-01-01 22313500
2005-04-01 22479600
2005-07-01 22608000
2005-10-01 22582200
2006-01-01 22507500
2006-04-01 22546400
2006-07-01 22646600
2006-10-01 22847800
2007-01-01 22443900
2007-04-01 22532300
2007-07-01 22844200
2007-10-01 22754700
2008-01-01 22549300
2008-04-01 22538100
2008-07-01 22869100
2008-10-01 22733900
2009-01-01 22572000
2009-04-01 22521400
2009-07-01 22608600
2009-10-01 22701100
2010-01-01 21960800
2010-04-01 21910000
2010-07-01 22069300
2010-10-01 22041000
2011-01-01 21877800
2011-04-01 22022000
2011-07-01 22159200
2011-10-01 22236900
2012-01-01 22024500
2012-04-01 22053700
2012-07-01 22377500
2012-10-01 22276400
2013-01-01 22091300
2013-04-01 22295700
2013-07-01 22378900
2013-10-01 22403200
2014-01-01 22232700
2014-04-01 22284700
2014-07-01 22540800
2014-10-01 22532400
2015-01-01 22404400
2015-04-01 22265700
2015-07-01 22511100
2015-10-01 22721100
2016-01-01 22878000
2016-04-01 22800200
2016-07-01 23123800
2016-10-01 23131800
2017-01-01 22968600
2017-04-01 22982200
2017-07-01 23369300
2017-10-01 23192300
2018-01-01 23114300
2018-04-01 23009400