Quarter Persons, Seasonally Adjusted 2006-01-01 14565817.241603099 2006-04-01 14711907.656600900 2006-07-01 14810059.611799201 2006-10-01 15001315.489996800 2007-01-01 14947911.343936900 2007-04-01 14995968.424653500 2007-07-01 15083826.529754300 2007-10-01 15018093.701655300 2008-01-01 15169605.583539500 2008-04-01 15285353.853031000 2008-07-01 15240682.930995101 2008-10-01 15071257.632434402 2009-01-01 14785789.643601399 2009-04-01 14801936.008106802 2009-07-01 15091082.978603201 2009-10-01 15287991.369688600 2010-01-01 15500434.378277099 2010-04-01 15736963.136427699 2010-07-01 15759613.558977101 2010-10-01 15979688.926318100 2011-01-01 16487259.848698600 2011-04-01 16529634.856625900 2011-07-01 16791479.686803598 2011-10-01 16877025.607871900 2012-01-01 16742597.391748201 2012-04-01 16972478.437743000 2012-07-01 17107195.542453703 2012-10-01 17392828.628055100 2013-01-01 17323668.203035400 2013-04-01 17387738.052422103 2013-07-01 17408894.819757700 2013-10-01 17492098.924784802 2014-01-01 17748926.669693302 2014-04-01 17804064.110703398 2014-07-01 17698246.874666600 2014-10-01 17744062.344936702 2015-01-01 17925740.902331598 2015-04-01 17980296.351870600 2015-07-01 18142931.865377300 2015-10-01 18147730.880420600 2016-01-01 18339152.933801200 2016-04-01 18403010.125315600 2016-07-01 18255456.438827700 2016-10-01 18418380.502055400 2017-01-01 18530120.453635900 2017-04-01 18755642.612752900 2017-07-01 19059720.785773800 2017-10-01 19136016.147837400 2018-01-01 19220855.594826200 2018-04-01 19075992.609490600