Quarter Persons, Seasonally Adjusted 2005-01-01 16003898.203064200 2005-04-01 16243592.169653100 2005-07-01 16310396.559692899 2005-10-01 16539613.067589900 2006-01-01 16689444.525719998 2006-04-01 16869038.655901000 2006-07-01 16991052.620868100 2006-10-01 17229864.197510898 2007-01-01 17396062.631133700 2007-04-01 17767737.498021000 2007-07-01 17803442.855705403 2007-10-01 17994557.015139900 2008-01-01 18022990.267128102 2008-04-01 18372029.736332502 2008-07-01 18533146.340442200 2008-10-01 18717733.656097300 2009-01-01 18878621.658811897 2009-04-01 19298445.150671102 2009-07-01 19208173.779964300 2009-10-01 19432559.410552703 2010-01-01 19559686.061640600 2010-04-01 19776258.084589098 2010-07-01 19922126.045442298 2010-10-01 20144129.808327900 2011-01-01 20402077.784362100 2011-04-01 20741312.554437898 2011-07-01 20843524.143624198 2011-10-01 21079085.517575700 2012-01-01 21436077.745275300 2012-04-01 21774167.614803597 2012-07-01 22086299.554474700 2012-10-01 22228055.085446402 2013-01-01 22432850.241283600 2013-04-01 22758859.271154600 2013-07-01 23138185.077770200 2013-10-01 23304505.409791697 2014-01-01 23578992.373512700 2014-04-01 23880441.986099800 2014-07-01 24139439.209994800 2014-10-01 24429726.430392700 2015-01-01 24617450.989070702 2015-04-01 24938898.006267402 2015-07-01 25157695.815256500 2015-10-01 25317355.189405400 2016-01-01 25863837.703342002 2016-04-01 26186986.661147200 2016-07-01 26244911.695892200 2016-10-01 26492163.939618600 2017-01-01 26749501.479214800 2017-04-01 27194123.366329297 2017-07-01 27411623.779323600 2017-10-01 27734851.375132300 2018-01-01 27999652.427319900 2018-04-01 28241510.687228600