Quarter	Percent, Seasonally Adjusted
1999-07-01	50.0107918213513
1999-10-01	49.9153370770939
2000-01-01	49.4770067410723
2000-04-01	49.0075517019521
2000-07-01	48.8852017707457
2000-10-01	47.7994746119885
2001-01-01	47.3218893619074
2001-04-01	48.4443663263043
2001-07-01	48.6435268530179
2001-10-01	48.8927586145813
2002-01-01	49.1175871732673
2002-04-01	48.3915270709957
2002-07-01	47.6857168882270
2002-10-01	47.0875933258469
2003-01-01	45.5047934340913
2003-04-01	45.8830304919508
2003-07-01	46.2027220326881
2003-10-01	46.5075592169630
2004-01-01	47.7961366535850
2004-04-01	46.8355601460660
2004-07-01	46.9807948389456
2004-10-01	46.9052775613653
2005-01-01	46.8487707181278
2005-04-01	46.6534463267580
2005-07-01	46.5210802824159
2005-10-01	46.1243032842481
2006-01-01	46.7419420312606
2006-04-01	46.7354379902418
2006-07-01	46.6192783669916
2006-10-01	48.1785980785438
2007-01-01	47.4747942618111
2007-04-01	47.6748527598820
2007-07-01	47.5195590263337
2007-10-01	47.4077284573035
2008-01-01	47.6361821709730
2008-04-01	47.7301515906468
2008-07-01	47.9326276720908
2008-10-01	47.8904750664311
2009-01-01	47.4499725232153
2009-04-01	47.5004982932923
2009-07-01	47.5564988762799
2009-10-01	47.2258209307227
2010-01-01	48.1481224001058
2010-04-01	48.0232202411210
2010-07-01	48.0695169466018
2010-10-01	48.2765358073601
2011-01-01	48.1890956464011
2011-04-01	48.6499655827434
2011-07-01	49.4276025826554
2011-10-01	49.7278972286371
2012-01-01	50.3608895478337
2012-04-01	50.3560369501553
2012-07-01	50.0031578392643
2012-10-01	50.4772799321489
2013-01-01	50.6148747362186
2013-04-01	51.5911810089549
2013-07-01	51.7048157604057
2013-10-01	51.9937048152466
2014-01-01	52.9254468646964
2014-04-01	53.1433373655199
2014-07-01	53.1774583990880
2014-10-01	53.3695409029594
2015-01-01	54.1430060802873
2015-04-01	54.0273377467429
2015-07-01	54.4607839034646
2015-10-01	54.6385672869733
2016-01-01	54.4847396668375
2016-04-01	54.6889539635648
2016-07-01	54.9131277160566
2016-10-01	54.9106598388401
2017-01-01	55.3476252282222
2017-04-01	55.5793511113210
2017-07-01	56.0720876661971
2017-10-01	56.4717309524063
2018-01-01	56.0944409865328
2018-04-01	55.8162983023004
2018-07-01	55.7762827877627