Quarter	Percent, Seasonally Adjusted
1970-01-01	64.6058230929365
1970-04-01	64.3862625088412
1970-07-01	64.3595884387989
1970-10-01	63.4489002863714
1971-01-01	64.3150489932820
1971-04-01	64.7745891161562
1971-07-01	64.5417056415069
1971-10-01	64.6077607481163
1972-01-01	63.1176333723571
1972-04-01	63.7163700757392
1972-07-01	63.4339670729289
1972-10-01	62.8534462380398
1973-01-01	64.1013448188172
1973-04-01	63.1172826199809
1973-07-01	63.4812248265095
1973-10-01	64.4090619152618
1974-01-01	63.6771335223887
1974-04-01	62.9919751219603
1974-07-01	62.7496492702483
1974-10-01	62.7662986060188
1975-01-01	62.7853188312215
1975-04-01	62.8227443024095
1975-07-01	62.9928148885702
1975-10-01	62.6886131283083
1976-01-01	63.0103817941102
1976-04-01	62.8049786215068
1976-07-01	63.1894754431491
1976-10-01	62.5468255507186
1977-01-01	62.1530815457636
1977-04-01	62.3406613410713
1977-07-01	62.3858205362862
1977-10-01	62.8462746123396
1978-01-01	62.7107392922323
1978-04-01	63.0756472395848
1978-07-01	62.8046309532756
1978-10-01	63.3202145411807
1979-01-01	63.0377548522596
1979-04-01	63.2600118793402
1979-07-01	63.1339541514949
1979-10-01	63.4143147717109
1980-01-01	63.3510539682778
1980-04-01	63.6544667970557
1980-07-01	63.4879063783630
1980-10-01	62.7876172343126
1981-01-01	63.0380696283388
1981-04-01	62.9084797532306
1981-07-01	62.9137892235392
1981-10-01	62.8947995682269
1982-01-01	63.1669599536133
1982-04-01	63.3541044202183
1982-07-01	63.2321945023704
1982-10-01	63.2097882053106
1983-01-01	63.8353837554467
1983-04-01	63.7847100078142
1983-07-01	64.0219083943334
1983-10-01	63.9459531493874
1984-01-01	63.3062752697975
1984-04-01	63.0622262140227
1984-07-01	63.0256886726316
1984-10-01	63.0896729646371
1985-01-01	63.2043634226188
1985-04-01	63.6592753626042
1985-07-01	63.0291153841531
1985-10-01	62.7856101059626
1986-01-01	62.7427544067790
1986-04-01	62.6685718607166
1986-07-01	63.1763312580157
1986-10-01	63.2385934986056
1987-01-01	62.9662130702342
1987-04-01	63.1833919089596
1987-07-01	63.2465670801431
1987-10-01	63.4794852191547
1988-01-01	63.3814069754784
1988-04-01	63.0192857387984
1988-07-01	63.3576945637223
1988-10-01	63.1284818623060
1989-01-01	63.6136320420709
1989-04-01	63.6974742634819
1989-07-01	63.9438414821177
1989-10-01	64.4747301115503
1990-01-01	64.4286243093239
1990-04-01	64.8330458835679
1990-07-01	64.9971045162542
1990-10-01	65.4532676740650
1991-01-01	65.7858262821053
1991-04-01	66.1932932060364
1991-07-01	66.3885553987720
1991-10-01	66.3591098747709
1992-01-01	66.5631594860350
1992-04-01	65.9178995854925
1992-07-01	66.1662635538546
1992-10-01	66.7792384913495
1993-01-01	66.8284721758110
1993-04-01	66.5310298320565
1993-07-01	66.6521779523539
1993-10-01	66.1515712259581
1994-01-01	66.1210078423139
1994-04-01	66.1887514405704
1994-07-01	66.3288251364694
1994-10-01	65.9358060992526
1995-01-01	66.1090160292853
1995-04-01	66.3730883620041
1995-07-01	66.0792902683658
1995-10-01	66.3658829325617
1996-01-01	65.7278618519223
1996-04-01	66.2269470014570
1996-07-01	66.6784335659706
1996-10-01	67.0439882828818
1997-01-01	66.7428639754552
1997-04-01	67.0189921540830
1997-07-01	66.8317652401632
1997-10-01	66.9995612127634
1998-01-01	67.0923859709925
1998-04-01	67.2967690077182
1998-07-01	67.0868927007399
1998-10-01	66.9316295733994
1999-01-01	67.4675882307014
1999-04-01	67.2064424395198
1999-07-01	67.1190534766257
1999-10-01	66.8960072927711
2000-01-01	66.5704609416088
2000-04-01	66.3938258606944
2000-07-01	66.6198573815232
2000-10-01	66.4198907843452
2001-01-01	66.3507050288951
2001-04-01	65.7294516481332
2001-07-01	65.5695064279803
2001-10-01	65.5856737407742
2002-01-01	65.8117873697450
2002-04-01	65.4918996511227
2002-07-01	65.2530635424658
2002-10-01	65.5286009980821
2003-01-01	65.7946694956613
2003-04-01	65.6899594637879
2003-07-01	65.7764157583374
2003-10-01	66.2357352533987
2004-01-01	65.7741500507112
2004-04-01	65.9879288172708
2004-07-01	66.2786455320172
2004-10-01	66.3030428844325
2005-01-01	66.3911666663262
2005-04-01	66.4825827300133
2005-07-01	66.9467353164346
2005-10-01	66.5322015793261
2006-01-01	66.9275728929726
2006-04-01	67.4521774617666
2006-07-01	67.3192865454547
2006-10-01	67.5938730735558
2007-01-01	68.2776207694817
2007-04-01	68.2311235475174
2007-07-01	68.6140034064299
2007-10-01	68.8870345823154
2008-01-01	68.6981669003852
2008-04-01	69.1384143666864
2008-07-01	68.9733645756894
2008-10-01	69.0304659676831
2009-01-01	68.9666812919070
2009-04-01	68.8636823373984
2009-07-01	69.0430899293779
2009-10-01	68.8309286031733
2010-01-01	68.9626323749420
2010-04-01	68.7546508686560
2010-07-01	69.0307284804044
2010-10-01	68.8691012089435
2011-01-01	69.0843472474207
2011-04-01	69.4698582155561
2011-07-01	68.6348114015650
2011-10-01	68.8156778300575
2012-01-01	68.4152830247372
2012-04-01	68.1126720376466
2012-07-01	68.0476359352167
2012-10-01	68.6473635129029
2013-01-01	69.2095862752315
2013-04-01	69.1262083115367
2013-07-01	69.6804285685952
2013-10-01	70.1837765046515
2014-01-01	70.5048799812651
2014-04-01	70.9989065201776
2014-07-01	71.1719978007237
2014-10-01	71.4950354797785
2015-01-01	72.0286156930013
2015-04-01	71.9927733288801
2015-07-01	72.8033277935234
2015-10-01	72.8175541171109
2016-01-01	73.1216833073119
2016-04-01	73.4491102045570
2016-07-01	74.0041904348292
2016-10-01	74.1547401153397
2017-01-01	74.7125991272300
2017-04-01	75.0703721412554
2017-07-01	75.7394945983825
2017-10-01	76.1188696346692
2018-01-01	76.4297667844621
2018-04-01	77.0510500465725
2018-07-01	77.0598934786542