Quarter	Percent, Seasonally Adjusted
1999-01-01	90.7166742574152
1999-04-01	90.8214797095669
1999-07-01	90.8089706268719
1999-10-01	90.6855097502500
2000-01-01	90.9387122722376
2000-04-01	91.5864067084848
2000-07-01	91.4237914236961
2000-10-01	91.4936350984530
2001-01-01	91.4016072702926
2001-04-01	90.9261032892566
2001-07-01	90.7905355608603
2001-10-01	90.6004757989876
2002-01-01	90.7125414166871
2002-04-01	91.2089518304812
2002-07-01	91.0385293572532
2002-10-01	91.2797062273794
2003-01-01	91.5438427923332
2003-04-01	91.1387327033131
2003-07-01	91.1367987064882
2003-10-01	90.7365599991825
2004-01-01	88.7655309163248
2004-04-01	87.9378892687158
2004-07-01	87.9740483944112
2004-10-01	87.5713435526651
2005-01-01	87.9231085285112
2005-04-01	87.8443932627524
2005-07-01	87.9299676491897
2005-10-01	87.7938429071598
2006-01-01	87.7258856116826
2006-04-01	88.3186256547760
2006-07-01	88.5577219865240
2006-10-01	88.8336241443239
2007-01-01	89.0442770920927
2007-04-01	88.9181325845965
2007-07-01	89.0174179862810
2007-10-01	88.9526768110151
2008-01-01	89.1181054712154
2008-04-01	89.4466143490488
2008-07-01	88.6817421207861
2008-10-01	88.5262768574704
2009-01-01	88.1413700798096
2009-04-01	87.2316982981310
2009-07-01	87.0600533235051
2009-10-01	87.0387779799942
2010-01-01	87.3344894770308
2010-04-01	87.6730364359726
2010-07-01	87.8105352197208
2010-10-01	88.0093645315774
2011-01-01	87.9859861735267
2011-04-01	88.3232766329889
2011-07-01	88.6743735876598
2011-10-01	88.5924942251664
2012-01-01	88.8464511607034
2012-04-01	88.2063894691707
2012-07-01	88.0018802063517
2012-10-01	87.9659910853596
2013-01-01	87.6879829027734
2013-04-01	87.7709884404986
2013-07-01	87.5276631547428
2013-10-01	87.0673869616259
2014-01-01	86.5418894268534
2014-04-01	86.4400774381441
2014-07-01	86.6665920024184
2014-10-01	86.5547495933351
2015-01-01	86.9667259520216
2015-04-01	86.4392572647620
2015-07-01	86.4649115631776
2015-10-01	86.6413432280281
2016-01-01	86.4113961446565
2016-04-01	86.5203548331940
2016-07-01	86.6096870955692
2016-10-01	86.6657445368219
2017-01-01	86.7934616114120
2017-04-01	87.3057048655826
2017-07-01	87.1633505820739
2017-10-01	87.4493040535761
2018-01-01	87.8612127964335
2018-04-01	88.0767356748127