Quarter	Percent, Seasonally Adjusted
1970-01-01	83.8469478853662
1970-04-01	83.8286106081888
1970-07-01	83.8378372078748
1970-10-01	83.9037260233174
1971-01-01	84.5237428547705
1971-04-01	84.5283406579619
1971-07-01	84.1748332334581
1971-10-01	84.2582378893012
1972-01-01	84.3233516864232
1972-04-01	84.4006509235144
1972-07-01	84.3828897281961
1972-10-01	84.2286168139785
1973-01-01	84.5139107360040
1973-04-01	84.5524743924532
1973-07-01	84.7575968896846
1973-10-01	84.6391273166033
1974-01-01	84.6500837189866
1974-04-01	84.6414984234180
1974-07-01	84.2691722365066
1974-10-01	84.1715507433286
1975-01-01	83.7379265257006
1975-04-01	83.5265169555973
1975-07-01	83.5702337762486
1975-10-01	83.8643497567354
1976-01-01	83.7653880406235
1976-04-01	83.3451777608376
1976-07-01	83.4286202273581
1976-10-01	83.4100818768978
1977-01-01	83.2992619792416
1977-04-01	82.9582668550614
1977-07-01	83.0430159407272
1977-10-01	83.0913915079960
1978-01-01	83.0557168403563
1978-04-01	83.0935338140786
1978-07-01	82.6935733484012
1978-10-01	82.7528116125168
1979-01-01	82.8739904998537
1979-04-01	83.2111938556098
1979-07-01	83.1408971174518
1979-10-01	83.1283903518063
1980-01-01	82.9774801166479
1980-04-01	82.9178668907663
1980-07-01	82.9589485572992
1980-10-01	82.9517477762479
1981-01-01	83.1068188435091
1981-04-01	82.8819931616686
1981-07-01	82.8352870823716
1981-10-01	82.5719488281400
1982-01-01	82.7625571557751
1982-04-01	82.7924447571296
1982-07-01	82.5933462723852
1982-10-01	82.7049464622453
1983-01-01	82.5737273695353
1983-04-01	82.6091501157356
1983-07-01	82.4653901281827
1983-10-01	82.3675776544296
1984-01-01	82.2269838773390
1984-04-01	82.0473196901230
1984-07-01	81.9801985433463
1984-10-01	82.0350915148018
1985-01-01	81.8148413257918
1985-04-01	81.7021461544193
1985-07-01	81.5104386286586
1985-10-01	81.2806122246461
1986-01-01	81.3746427159531
1986-04-01	81.2166561461210
1986-07-01	81.2190586121076
1986-10-01	80.9794646036933
1987-01-01	80.8055340099278
1987-04-01	80.6050801455676
1987-07-01	80.9025043410190
1987-10-01	80.7992811703174
1988-01-01	80.6954971095563
1988-04-01	80.9441914395975
1988-07-01	80.8532225645914
1988-10-01	80.9156714159548
1989-01-01	80.9998884804854
1989-04-01	81.0701180112682
1989-07-01	81.0973576115114
1989-10-01	81.1464430092635
1990-01-01	81.2921300242537
1990-04-01	81.4835453701846
1990-07-01	81.5543859503650
1990-10-01	81.7654530778147
1991-01-01	81.8293311615131
1991-04-01	82.0096144982710
1991-07-01	81.9841517078123
1991-10-01	82.2229385773998
1992-01-01	82.4824131040344
1992-04-01	82.2396717424029
1992-07-01	82.2682155772625
1992-10-01	82.4719461370442
1993-01-01	82.4436342201400
1993-04-01	82.3565342691820
1993-07-01	82.3632134283161
1993-10-01	82.3100785865765
1994-01-01	82.0464054068620
1994-04-01	82.0465599872533
1994-07-01	82.0103268188469
1994-10-01	81.9152900680442
1995-01-01	81.7619690901023
1995-04-01	81.8627269831375
1995-07-01	82.0552309350982
1995-10-01	81.9251791873171
1996-01-01	81.9345323891782
1996-04-01	82.0593940241902
1996-07-01	82.3779141592411
1996-10-01	82.3685294889958
1997-01-01	82.6443392750410
1997-04-01	82.7860524446684
1997-07-01	82.4110993767945
1997-10-01	82.2033747010373
1998-01-01	82.0494270979231
1998-04-01	81.8195044286248
1998-07-01	81.5890099270754
1998-10-01	81.5328549741054
1999-01-01	81.3762237247421
1999-04-01	80.9833616391253
1999-07-01	81.1461938387546
1999-10-01	81.1826439242786
2000-01-01	80.9213260617732
2000-04-01	81.0989463035350
2000-07-01	81.0655203610782
2000-10-01	81.1793366953147
2001-01-01	81.0049463053752
2001-04-01	80.7855073704018
2001-07-01	80.4797880017931
2001-10-01	79.9455398159383
2002-01-01	80.1408736743885
2002-04-01	79.9646194663162
2002-07-01	79.8787743290704
2002-10-01	79.8366690880504
2003-01-01	79.9522371620600
2003-04-01	79.7078530670015
2003-07-01	79.9488982183707
2003-10-01	80.1578501673800
2004-01-01	79.9873902286965
2004-04-01	80.0285299876167
2004-07-01	80.0096252408199
2004-10-01	80.3459369240630
2005-01-01	80.2094655635759
2005-04-01	80.3114759380948
2005-07-01	80.7571503021975
2005-10-01	80.7783095849446
2006-01-01	80.9171460238890
2006-04-01	81.1480845482976
2006-07-01	81.1223540307944
2006-10-01	81.1743876317506
2007-01-01	81.6372396360259
2007-04-01	81.9663989840390
2007-07-01	81.9393137494024
2007-10-01	81.8013806113709
2008-01-01	81.6582619333267
2008-04-01	81.7521872855123
2008-07-01	81.7854191019961
2008-10-01	81.6431589397915
2009-01-01	80.9841971829620
2009-04-01	80.2084342160682
2009-07-01	80.0126772270089
2009-10-01	80.1322639743960
2010-01-01	80.2411460933167
2010-04-01	80.0909540700528
2010-07-01	80.2507489277272
2010-10-01	80.2300075053125
2011-01-01	80.5662982976030
2011-04-01	80.7782199141124
2011-07-01	80.5311417239864
2011-10-01	80.2653274047027
2012-01-01	80.2635267393432
2012-04-01	80.2808946095398
2012-07-01	80.4024616482413
2012-10-01	80.5515607625064
2013-01-01	80.4717656714617
2013-04-01	80.8080646779757
2013-07-01	80.9350597893778
2013-10-01	81.1957816477487
2014-01-01	81.5586069674489
2014-04-01	81.6139879335652
2014-07-01	81.7193107420942
2014-10-01	81.6907693671861
2015-01-01	81.7813800326946
2015-04-01	81.8097591741487
2015-07-01	81.9705197401162
2015-10-01	82.1780352874771
2016-01-01	82.3237445572326
2016-04-01	82.5724488603654
2016-07-01	82.6807193933901
2016-10-01	82.7974242722823
2017-01-01	82.8700770279181
2017-04-01	82.8861142922468
2017-07-01	82.9870554495682
2017-10-01	83.2388444994482
2018-01-01	83.5804587730358
2018-04-01	83.7603224706922
2018-07-01	83.7813343623206