Quarterly Persons
2005-01-01 15865000
2005-04-01 14508000
2005-07-01 13811000
2005-10-01 14112000
2006-01-01 15005000
2006-04-01 13417000
2006-07-01 12758000
2006-10-01 12861000
2007-01-01 14047000
2007-04-01 12201000
2007-07-01 11821000
2007-10-01 12315000
2008-01-01 13820000
2008-04-01 12874000
2008-07-01 13206000
2008-10-01 15345000
2009-01-01 20345000
2009-04-01 20517000
2009-07-01 20448000
2009-10-01 21053000
2010-01-01 23448000
2010-04-01 20895000
2010-07-01 19942000
2010-10-01 20242000
2011-01-01 21343000
2011-04-01 19503000
2011-07-01 18786000
2011-10-01 19262000
2012-01-01 20952000
2012-04-01 19389000
2012-07-01 18831000
2012-10-01 19525000
2013-01-01 21473000
2013-04-01 19797000
2013-07-01 19077000
2013-10-01 19075000
2014-01-01 20393000
2014-04-01 18265000
2014-07-01 17549000
2014-10-01 17808000
2015-01-01 18962000
2015-04-01 17138000
2015-07-01 16353000
2015-10-01 16541000
2016-01-01 17650000
2016-04-01 15962000
2016-07-01 15617000
2016-10-01 15712000
2017-01-01 16589000
2017-04-01 14521000
2017-07-01 14109000