Quarter Persons, Seasonally Adjusted 2006-01-01 44357946.287953496 2006-04-01 44484830.740907900 2006-07-01 44642689.676528010 2006-10-01 44848633.294610600 2007-01-01 45110306.581112900 2007-04-01 45203732.308494800 2007-07-01 45356665.213382900 2007-10-01 45542095.897009400 2008-01-01 45785428.053117506 2008-04-01 45890353.552084400 2008-07-01 46027072.890873200 2008-10-01 46250345.503924900 2009-01-01 46434927.756301900 2009-04-01 46785730.748044900 2009-07-01 46848829.134668306 2009-10-01 47013812.360985000 2010-01-01 47253371.242755204 2010-04-01 47485142.574457600 2010-07-01 47615505.698340700 2010-10-01 47775680.484446500 2011-01-01 48128322.378072700 2011-04-01 48308631.916116200 2011-07-01 48510009.082443200 2011-10-01 48778636.623367900 2012-01-01 49179185.262422204 2012-04-01 49314014.743020910 2012-07-01 49524206.541394400 2012-10-01 49712593.453162596 2013-01-01 49938567.145757504 2013-04-01 50061195.312154200 2013-07-01 50295778.175412595 2013-10-01 50449659.366675705 2014-01-01 50730520.689677900 2014-04-01 50873273.230908595 2014-07-01 51080417.573159404 2014-10-01 51223788.506254000 2015-01-01 51316257.111980600 2015-04-01 51488844.819559895 2015-07-01 51697958.791138900 2015-10-01 51881939.277320600 2016-01-01 51955860.578221000 2016-04-01 52136757.655886100 2016-07-01 52387393.639950104 2016-10-01 52588588.125942800 2017-01-01 52820497.223906800 2017-04-01 53089853.586634900 2017-07-01 53251361.916696000 2017-10-01 53422387.272762395 2018-01-01 53474601.794420205 2018-04-01 53641700.911829405