Quarter	Percent, Seasonally Adjusted
1971-01-01	227.698072095259
1971-04-01	268.431767215210
1971-07-01	270.968678560413
1971-10-01	295.802213235047
1972-01-01	269.471763319973
1972-04-01	292.543916463634
1972-07-01	294.949563481113
1972-10-01	264.486673927471
1973-01-01	323.570862411400
1973-04-01	330.366814715884
1973-07-01	334.411210869013
1973-10-01	230.491910949005
1974-01-01	187.713365634224
1974-04-01	156.526570384710
1974-07-01	183.561862002698
1974-10-01	225.322785796939
1975-01-01	230.913386519437
1975-04-01	205.974559551167
1975-07-01	216.912977020553
1975-10-01	209.365509469212
1976-01-01	211.484138317616
1976-04-01	242.150284000819
1976-07-01	232.695358317853
1976-10-01	286.377820854290
1977-01-01	308.733536073164
1977-04-01	324.434121566674
1977-07-01	286.972094936602
1977-10-01	318.441460190107
1978-01-01	286.756378648137
1978-04-01	280.376122922210
1978-07-01	250.545775326872
1978-10-01	301.346057233532
1979-01-01	286.813913805535
1979-04-01	264.625628507063
1979-07-01	238.928935561912
1979-10-01	239.016767740904
1980-01-01	238.285136895072
1980-04-01	251.093420314185
1980-07-01	251.113438216505
1980-10-01	311.677656376609
1981-01-01	300.355083230030
1981-04-01	288.948189647532
1981-07-01	318.877382021231
1981-10-01	367.751779817102
1982-01-01	327.101027010012
1982-04-01	287.326641587956
1982-07-01	302.870680013178
1982-10-01	341.379552206108
1983-01-01	385.406790801731
1983-04-01	437.841335951323
1983-07-01	445.669132222139
1983-10-01	439.915140067361
1984-01-01	555.507317854749
1984-04-01	569.788164520975
1984-07-01	573.216703573502
1984-10-01	623.275301635128
1985-01-01	520.857464844389
1985-04-01	600.329231558509
1985-07-01	627.037400990495
1985-10-01	598.076880760919
1986-01-01	563.357643768605
1986-04-01	643.941891839304
1986-07-01	488.479726818545
1986-10-01	296.315193974958
1987-01-01	378.878243723981
1987-04-01	492.137279673999
1987-07-01	611.067246147552
1987-10-01	596.268098781792
1988-01-01	598.052036979889
1988-04-01	733.362122823953
1988-07-01	750.783373054908
1988-10-01	699.631059549343
1989-01-01	684.248059529499
1989-04-01	599.191770683047
1989-07-01	513.126552534317
1989-10-01	511.958413844871
1990-01-01	456.739008159348
1990-04-01	534.204687029234
1990-07-01	469.338023877826
1990-10-01	403.931378703292
1991-01-01	569.056563156216
1991-04-01	484.016916499317
1991-07-01	387.020118727450
1991-10-01	410.106160188291
1992-01-01	521.291747135020
1992-04-01	503.860013740106
1992-07-01	530.887766692791
1992-10-01	539.242958429856
1993-01-01	558.466143210884
1993-04-01	433.393814658245
1993-07-01	415.948056660676
1993-10-01	475.231171408700
1994-01-01	462.531476187908
1994-04-01	436.546763842861
1994-07-01	445.138891329727
1994-10-01	310.131751163938
1995-01-01	258.920439023444
1995-04-01	242.844019495596
1995-07-01	302.822051178811
1995-10-01	322.075169875615
1996-01-01	296.464651501618
1996-04-01	286.010390274666
1996-07-01	264.312650366662
1996-10-01	239.722471605763
1997-01-01	321.230700748667
1997-04-01	260.833658263363
1997-07-01	261.757851719590
1997-10-01	260.840882988375
1998-01-01	275.441829913272
1998-04-01	284.714961886440
1998-07-01	258.988331225852
1998-10-01	253.395587782292
1999-01-01	293.244826767528
1999-04-01	289.164306268089
1999-07-01	288.013024984842
1999-10-01	303.316726562394
2000-01-01	307.899382012604
2000-04-01	303.129667763717
2000-07-01	287.578327031035
2000-10-01	278.828080601448
2001-01-01	305.632632715735
2001-04-01	299.298682168107
2001-07-01	317.933566569872
2001-10-01	346.303337747111
2002-01-01	348.333230248473
2002-04-01	327.691067220292
2002-07-01	411.577954482340
2002-10-01	448.805354581636
2003-01-01	426.641807228458
2003-04-01	455.403585493122
2003-07-01	465.770773973922
2003-10-01	469.054348325048
2004-01-01	455.688279612634
2004-04-01	455.713656762994
2004-07-01	464.623228361554
2004-10-01	456.403816102797
2005-01-01	487.463011773964
2005-04-01	475.614716995784
2005-07-01	485.563227913057
2005-10-01	495.528061345122
2006-01-01	472.570935633232
2006-04-01	425.600896175355
2006-07-01	460.725647454897
2006-10-01	456.869873986204
2007-01-01	438.095421588904
2007-04-01	413.879645672422
2007-07-01	381.968566299915
2007-10-01	383.094091629432
2008-01-01	339.852696719677
2008-04-01	341.596943916169
2008-07-01	339.479225300545
2008-10-01	344.342146411998
2009-01-01	359.891380871987
2009-04-01	398.309144828462
2009-07-01	354.922297815737
2009-10-01	336.327264963349
2010-01-01	333.441729283329
2010-04-01	335.612512306251
2010-07-01	320.695660727641
2010-10-01	339.886201436787
2011-01-01	347.498363298021
2011-04-01	338.203539234152
2011-07-01	339.700827403830
2011-10-01	329.822721240244
2012-01-01	340.639109305873
2012-04-01	311.481990434499
2012-07-01	335.964874499345
2012-10-01	315.377268041896
2013-01-01	297.958274206005
2013-04-01	297.657656098281
2013-07-01	299.204457959509
2013-10-01	320.212377793828
2014-01-01	293.419423570799
2014-04-01	302.768365559019
2014-07-01	300.357363738463
2014-10-01	282.535454578960
2015-01-01	287.953732967562
2015-04-01	332.347947088545
2015-07-01	350.230990037147
2015-10-01	383.068267009689
2016-01-01	405.278727276927
2016-04-01	409.118627559646
2016-07-01	396.269830693804
2016-10-01	407.671843477702
2017-01-01	447.831033187993
2017-04-01	456.684147295674
2017-07-01	420.209198918547
2017-10-01	412.577517014516
2018-01-01	413.547135227492
2018-04-01	404.953375249183
2018-07-01	364.120117825403