Quarter	Percent, Seasonally Adjusted
1986-01-01	72.4554006212688
1986-04-01	72.2917338709092
1986-07-01	72.1272291612371
1986-10-01	71.7441023913096
1987-01-01	72.2068150630865
1987-04-01	72.1022656020636
1987-07-01	72.0071972548678
1987-10-01	71.6150854286726
1988-01-01	70.5113254431201
1988-04-01	69.9392656778712
1988-07-01	68.7244861545727
1988-10-01	68.5704762116935
1989-01-01	67.6546391605963
1989-04-01	67.0130315430691
1989-07-01	66.9758646207865
1989-10-01	67.0220129986006
1990-01-01	67.2558757820913
1990-04-01	67.6807836138964
1990-07-01	66.9676359610546
1990-10-01	66.5075477769327
1991-01-01	65.9083221115595
1991-04-01	65.5612437718050
1991-07-01	64.9511180813397
1991-10-01	64.6446938547756
1992-01-01	64.8473102727479
1992-04-01	65.2468854279014
1992-07-01	64.7007351567418
1992-10-01	64.9332209781765
1993-01-01	65.1236744638662
1993-04-01	65.4441510449946
1993-07-01	65.7909914531097
1993-10-01	66.1443814016996
1994-01-01	66.5718459151437
1994-04-01	67.2406202421705
1994-07-01	67.7577286305188
1994-10-01	68.4176800466835
1995-01-01	68.9284528791860
1995-04-01	69.5686572636392
1995-07-01	69.9850057447163
1995-10-01	70.1445717039534
1996-01-01	70.2934427870122
1996-04-01	70.7579430327333
1996-07-01	71.0430181817988
1996-10-01	70.3463142841683
1997-01-01	70.1527693032440
1997-04-01	70.2675696709442
1997-07-01	70.1654791388869
1997-10-01	69.9156509507155
1998-01-01	69.5985051135549
1998-04-01	69.0655848887173
1998-07-01	68.9935465511413
1998-10-01	68.6449675261927
1999-01-01	69.2082897203408
1999-04-01	69.2570565497467
1999-07-01	69.5658349000714
1999-10-01	70.1871523075241
2000-01-01	69.9547840084176
2000-04-01	69.7183518331340
2000-07-01	70.6041059976946
2000-10-01	71.0529534737290
2001-01-01	70.9906891706073
2001-04-01	71.2527988100545
2001-07-01	71.3535765834400
2001-10-01	71.9148868171409
2002-01-01	72.3061557017047
2002-04-01	72.0651359905450
2002-07-01	71.9192319077885
2002-10-01	72.0973332528908
2003-01-01	71.8190958055728
2003-04-01	71.8658399926060
2003-07-01	72.5920727032044
2003-10-01	72.3566900611739
2004-01-01	72.5234206600506
2004-04-01	72.6624858971798
2004-07-01	73.2798084509135
2004-10-01	74.2133458057276
2005-01-01	73.7519923326924
2005-04-01	73.8518421585396
2005-07-01	74.5796159818554
2005-10-01	74.6934527316941
2006-01-01	74.8083900705142
2006-04-01	75.1273664618588
2006-07-01	74.6974859575213
2006-10-01	74.4403269203773
2007-01-01	75.0131183528636
2007-04-01	75.2108038721370
2007-07-01	74.9596112587236
2007-10-01	75.3361933630870
2008-01-01	73.8442266808785
2008-04-01	75.0156818448538
2008-07-01	74.7780689800934
2008-10-01	74.7426339150727
2009-01-01	73.3339045363136
2009-04-01	73.3098225563896
2009-07-01	72.3532070484071
2009-10-01	72.2076541146453
2010-01-01	72.2329669725410
2010-04-01	72.1578448384349
2010-07-01	72.4140177492872
2010-10-01	72.0320348173195
2011-01-01	72.5623612471675
2011-04-01	72.5860164543152
2011-07-01	72.4847944679386
2011-10-01	72.4499559643700
2012-01-01	72.5240141617001
2012-04-01	72.3722282216096
2012-07-01	72.0070613557252
2012-10-01	70.9995476240440
2013-01-01	72.1685492064626
2013-04-01	72.5534123331489
2013-07-01	73.1313466172650
2013-10-01	73.5335795320273
2014-01-01	74.0107569309026
2014-04-01	74.0251577499736
2014-07-01	74.1927617787382
2014-10-01	74.7330828858703
2015-01-01	74.8572934744773
2015-04-01	74.4941014629473
2015-07-01	73.6607388798988
2015-10-01	74.1300826575753
2016-01-01	74.6071142020679
2016-04-01	75.6029128138931
2016-07-01	75.8279993960214
2016-10-01	76.2617507135701
2017-01-01	76.6924807285342
2017-04-01	76.2694943589194
2017-07-01	77.1775295872079
2017-10-01	77.3653218544024
2018-01-01	77.5053533811902
2018-04-01	77.6033816740153
2018-07-01	78.0358727318238