Quarter	Persons, Seasonally Adjusted
2005-01-01	17814697.934537200
2005-04-01	17849438.099385303
2005-07-01	17805549.891599100
2005-10-01	17777514.074478400
2006-01-01	17831047.773619500
2006-04-01	17801209.733453600
2006-07-01	17751340.891430800
2006-10-01	17817701.601496100
2007-01-01	17583241.730080600
2007-04-01	17654913.157046802
2007-07-01	17680061.709773400
2007-10-01	17587183.403099198
2008-01-01	17656570.323284700
2008-04-01	17604002.336043302
2008-07-01	17639473.624971900
2008-10-01	17565853.715700100
2009-01-01	17661305.557310000
2009-04-01	17520024.187918400
2009-07-01	17482929.972220000
2009-10-01	17509240.282551600
2010-01-01	17144423.231952100
2010-04-01	17059821.533963002
2010-07-01	16962467.249463502
2010-10-01	16889487.984621400
2011-01-01	16881294.685091200
2011-04-01	16841508.113354500
2011-07-01	16837759.316321500
2011-10-01	16815037.885232903
2012-01-01	16829842.412726800
2012-04-01	16861267.683778300
2012-07-01	16897461.181650600
2012-10-01	16821628.721844200
2013-01-01	16833497.786695300
2013-04-01	16921985.415966198
2013-07-01	16763026.354952800
2013-10-01	16800490.442385700
2014-01-01	16841060.473355200
2014-04-01	16903429.521244700
2014-07-01	16822055.344038703
2014-10-01	16837954.661361400
2015-01-01	16903958.395043000
2015-04-01	16905410.436349000
2015-07-01	16901931.744189800
2015-10-01	17004499.424418204
2016-01-01	17191472.985799900
2016-04-01	17174365.738247500
2016-07-01	17256026.609241200
2016-10-01	17254434.666711400
2017-01-01	17239899.747580700
2017-04-01	17119794.079044100
2017-07-01	17171341.420230900
2017-10-01	17049764.753144200
2018-01-01	16946559.647206700
2018-04-01	16880752.583074603