Quarter	Percent, Seasonally Adjusted
2000-01-01	66.5516093815621
2000-04-01	66.6537822270199
2000-07-01	66.6545263860644
2000-10-01	66.5105546454787
2001-01-01	66.6084664972135
2001-04-01	66.7175722966446
2001-07-01	66.6395861479148
2001-10-01	67.1292770520889
2002-01-01	67.3735198580956
2002-04-01	67.3654266829439
2002-07-01	67.0405004145175
2002-10-01	66.6930172585471
2003-01-01	66.4428605232597
2003-04-01	66.1888703390556
2003-07-01	66.4506524836464
2003-10-01	66.1380002581639
2004-01-01	65.8888855155454
2004-04-01	66.2408060406675
2004-07-01	66.0132171404542
2004-10-01	65.9407176186622
2005-01-01	65.5885842974455
2005-04-01	65.3663604165441
2005-07-01	65.8773597435242
2005-10-01	65.7425873977264
2006-01-01	65.5427503912282
2006-04-01	65.7935266970902
2006-07-01	66.1015857568524
2006-10-01	66.4612542931293
2007-01-01	67.0236258019080
2007-04-01	67.4150260797753
2007-07-01	67.8152785431671
2007-10-01	68.5701222288402
2008-01-01	68.9895897240280
2008-04-01	68.9865960339446
2008-07-01	69.0450460702308
2008-10-01	68.7195454292502
2009-01-01	68.7101643975399
2009-04-01	68.0977429060944
2009-07-01	67.5750406677014
2009-10-01	67.3137001953527
2010-01-01	66.7804138365554
2010-04-01	66.7558356969629
2010-07-01	66.4865006255951
2010-10-01	66.4610795223218
2011-01-01	66.6873735847285
2011-04-01	66.4993525032900
2011-07-01	66.5521509729907
2011-10-01	66.5670793394842
2012-01-01	66.6946021017248
2012-04-01	67.0224750677890
2012-07-01	66.6269185225019
2012-10-01	66.2271889347434
2013-01-01	66.1074682029369
2013-04-01	66.0520605757605
2013-07-01	66.2324731148694
2013-10-01	66.0856655708284
2014-01-01	60.7569318978422
2014-04-01	60.6684874789891
2014-07-01	60.5830478588940
2014-10-01	61.1291157006486
2015-01-01	59.4397711807832
2015-04-01	60.3357873292730
2015-07-01	59.9310254374282
2015-10-01	59.3282308323682
2016-01-01	59.8467831672826
2016-04-01	59.2635532032813
2016-07-01	60.1102885701028
2016-10-01	59.3119835167150
2017-01-01	59.0691792641873
2017-04-01	59.2508684458131
2017-07-01	59.3367635916040
2017-10-01	59.0441922206985
2018-01-01	59.1310953339051
2018-04-01	59.3102346445975