Quarter Persons, Seasonally Adjusted 1999-04-01 15429297.342523599 1999-07-01 15488058.195774300 1999-10-01 15505261.814848400 2000-01-01 15492094.442657200 2000-04-01 15538621.871565100 2000-07-01 15518206.713536799 2000-10-01 15517976.972240900 2001-01-01 15571599.855341900 2001-04-01 15529162.295672000 2001-07-01 15600550.011620200 2001-10-01 15610987.837365799 2002-01-01 15607285.750827900 2002-04-01 15612459.599703800 2002-07-01 15655801.405383300 2002-10-01 15727753.244084900 2003-01-01 15731001.608275399 2003-04-01 15762285.505768498 2003-07-01 15805329.755317600 2003-10-01 15770083.130638500 2004-01-01 15820816.419032201 2004-04-01 15780625.353954800 2004-07-01 15815580.890874200 2004-10-01 15906077.336138800 2005-01-01 15954258.452531900 2005-04-01 15890081.668707100 2005-07-01 15960811.045535801 2005-10-01 16040148.833225200 2006-01-01 16082801.665996300 2006-04-01 16156834.147015300 2006-07-01 16258639.090250000 2006-10-01 16227025.096738500 2007-01-01 16244699.572045399 2007-04-01 16283346.731873200 2007-07-01 16321147.946289200 2007-10-01 16345905.749792100 2008-01-01 16410252.066146300 2008-04-01 16450785.495352200 2008-07-01 16465585.077630501 2008-10-01 16521977.360870998 2009-01-01 16546087.753425100 2009-04-01 16484996.551615601 2009-07-01 16432785.005398298 2009-10-01 16373630.689560900 2010-01-01 16366363.784334700 2010-04-01 16448378.389474000 2010-07-01 16518325.170050100 2010-10-01 16532832.656141302 2011-01-01 16524994.393606200 2011-04-01 16583139.117893102 2011-07-01 16531652.747167202 2011-10-01 16570613.741333400 2012-01-01 16577325.387658902 2012-04-01 16668246.272601900 2012-07-01 16669786.011095700 2012-10-01 16685842.328643400 2013-01-01 16611901.362599699 2013-04-01 16664338.813894799 2013-07-01 16729149.065477900 2013-10-01 16733510.758027700 2014-01-01 16752156.780711498 2014-04-01 16764173.067619199 2014-07-01 16774767.327266000 2014-10-01 16724802.824403300 2015-01-01 16793625.186164800 2015-04-01 16785049.111363700 2015-07-01 16848538.200231500 2015-10-01 16932487.502240002 2016-01-01 16968792.269651700 2016-04-01 16982011.281219200 2016-07-01 16960370.858519103 2016-10-01 16966225.590609900 2017-01-01 17021247.990476600 2017-04-01 17061730.094150800 2017-07-01 16945683.381279900 2017-10-01 17003338.534092702 2018-01-01 17098468.489167900 2018-04-01 17087619.111534900