Quarter	Percent, Seasonally Adjusted
1998-01-01	89.7510279149026
1998-04-01	89.2991181870195
1998-07-01	90.4487517125139
1998-10-01	90.0228439763260
1999-01-01	90.4381433194070
1999-04-01	90.3459556819242
1999-07-01	90.5904827977298
1999-10-01	90.9705301566006
2000-01-01	90.5865345214265
2000-04-01	90.9620496352580
2000-07-01	90.8347686124467
2000-10-01	90.6618965940088
2001-01-01	90.8547955676638
2001-04-01	90.8636712764500
2001-07-01	90.8716259460691
2001-10-01	90.9801309645221
2002-01-01	90.7132512391382
2002-04-01	90.7199916451805
2002-07-01	90.4117646783631
2002-10-01	90.0642280184544
2003-01-01	89.9025719928434
2003-04-01	90.3961785950914
2003-07-01	89.9083295519553
2003-10-01	90.1179237973493
2004-01-01	90.2219217716016
2004-04-01	89.6302776963018
2004-07-01	90.3107106557994
2004-10-01	90.3150167343261
2005-01-01	90.2968207398302
2005-04-01	90.4729848781844
2005-07-01	89.8839284775290
2005-10-01	90.3455782542232
2006-01-01	90.2501050567201
2006-04-01	89.9663539613511
2006-07-01	90.5134944014344
2006-10-01	90.2778559069772
2007-01-01	89.8310850913475
2007-04-01	90.6932646250734
2007-07-01	90.7067292436594
2007-10-01	90.4981972224008
2008-01-01	91.2520940501609
2008-04-01	91.4001376913696
2008-07-01	91.1080001048054
2008-10-01	91.2385373535502
2009-01-01	90.9444886709734
2009-04-01	90.7568755549189
2009-07-01	90.4478481436778
2009-10-01	90.4197720446467
2010-01-01	90.5372546942742
2010-04-01	90.3698023218430
2010-07-01	90.7809177145022
2010-10-01	90.3563106892192
2011-01-01	91.0588034104771
2011-04-01	90.8306861134485
2011-07-01	90.6672139970915
2011-10-01	90.9882553665219
2012-01-01	90.4317949464665
2012-04-01	90.2425613315068
2012-07-01	90.4193018609126
2012-10-01	90.4520305997489
2013-01-01	90.1114485748178
2013-04-01	90.4435214815240
2013-07-01	90.1376993661359
2013-10-01	89.6439024978493
2014-01-01	89.4142962225621
2014-04-01	90.0961741116745
2014-07-01	89.3528838851558
2014-10-01	89.3007694929815
2015-01-01	89.5775044670374
2015-04-01	89.2451914047089
2015-07-01	89.9505460262756
2015-10-01	89.4689246212248
2016-01-01	90.0675950423373
2016-04-01	89.8883756292101
2016-07-01	89.3054447333330
2016-10-01	89.5965605021291
2017-01-01	89.6286161630626
2017-04-01	89.4736273048491
2017-07-01	89.6027787304806
2017-10-01	90.4115341119071
2018-01-01	90.2177917258780
2018-04-01	90.3054114179360