Quarter	Percent, Seasonally Adjusted
1986-01-01	75.8604143736661
1986-04-01	74.3746198750087
1986-07-01	74.0328128222878
1986-10-01	73.6526856800914
1987-01-01	74.1619092678472
1987-04-01	74.1993096744837
1987-07-01	72.9922143050510
1987-10-01	72.5968301736928
1988-01-01	71.3238145732667
1988-04-01	70.5203097787514
1988-07-01	69.5337384686884
1988-10-01	68.4500355655825
1989-01-01	68.2840112270879
1989-04-01	67.5796296385993
1989-07-01	66.9904512564335
1989-10-01	67.9339050414129
1990-01-01	67.6747166441036
1990-04-01	69.7108831664884
1990-07-01	68.4851042949290
1990-10-01	68.0400186531900
1991-01-01	67.6671310035211
1991-04-01	67.6078015218492
1991-07-01	67.4775211981579
1991-10-01	66.8041447311362
1992-01-01	66.2846117783428
1992-04-01	65.6059166894515
1992-07-01	65.0256741705602
1992-10-01	65.2562845593816
1993-01-01	64.4732243272711
1993-04-01	64.6256893812027
1993-07-01	64.6697058345116
1993-10-01	65.0012412063408
1994-01-01	65.9675527500907
1994-04-01	65.5438899157117
1994-07-01	66.6082517455427
1994-10-01	65.9552242273731
1995-01-01	65.9563312971700
1995-04-01	66.7919359171774
1995-07-01	67.3385152826375
1995-10-01	68.3369328315517
1996-01-01	66.9312280660519
1996-04-01	67.3680609005052
1996-07-01	68.0900088656767
1996-10-01	65.4982285873330
1997-01-01	66.4815211439792
1997-04-01	67.0602325623160
1997-07-01	66.5325785811543
1997-10-01	66.7778716361998
1998-01-01	66.0636385869362
1998-04-01	65.8191759454941
1998-07-01	65.2011187928416
1998-10-01	62.7045377229332
1999-01-01	63.0154438108353
1999-04-01	62.2812605975273
1999-07-01	63.4485871533824
1999-10-01	63.0620966393904
2000-01-01	63.1847556466285
2000-04-01	62.2438270186444
2000-07-01	62.0663599966620
2000-10-01	63.2335262689247
2001-01-01	61.9175930487912
2001-04-01	63.6604876512967
2001-07-01	62.9770152592076
2001-10-01	63.3156333191738
2002-01-01	64.5994793684746
2002-04-01	64.2722752146143
2002-07-01	63.3863769233416
2002-10-01	62.3357677790280
2003-01-01	62.5271781420070
2003-04-01	61.8691259346375
2003-07-01	62.8890496597094
2003-10-01	62.3691287307648
2004-01-01	62.0363516486189
2004-04-01	61.5101515114114
2004-07-01	61.5036129169145
2004-10-01	63.6628008383444
2005-01-01	61.5788461570544
2005-04-01	62.0714236497945
2005-07-01	63.0054108137460
2005-10-01	62.7469358359333
2006-01-01	65.0532170588250
2006-04-01	64.0667589259500
2006-07-01	64.1615164663338
2006-10-01	64.3516560205097
2007-01-01	65.0006765695677
2007-04-01	64.0975927182348
2007-07-01	64.4244250082733
2007-10-01	63.9732143208160
2008-01-01	61.8035141779259
2008-04-01	63.1993978421246
2008-07-01	62.4126822724126
2008-10-01	63.3387664195671
2009-01-01	60.9058264603388
2009-04-01	61.6288596870287
2009-07-01	60.3520486075840
2009-10-01	59.9517497506092
2010-01-01	58.7507562607861
2010-04-01	59.4547704973652
2010-07-01	59.3601178540103
2010-10-01	58.7685325423636
2011-01-01	59.0083843387700
2011-04-01	58.8331245326004
2011-07-01	58.5220595817473
2011-10-01	57.8102545999251
2012-01-01	59.0029912837898
2012-04-01	59.3578528470252
2012-07-01	59.1043997970217
2012-10-01	56.0436668197014
2013-01-01	56.9342837871738
2013-04-01	57.5693126394392
2013-07-01	58.0594884278946
2013-10-01	59.0944285037608
2014-01-01	59.2251730489385
2014-04-01	59.5217462869388
2014-07-01	59.2898654305620
2014-10-01	62.2416396026618
2015-01-01	62.0666928363852
2015-04-01	61.8991344972727
2015-07-01	61.3910580994255
2015-10-01	60.6307101205025
2016-01-01	62.2954029693759
2016-04-01	61.9319176853970
2016-07-01	62.2905131204082
2016-10-01	63.7039692455640
2017-01-01	63.7003147397902
2017-04-01	61.9550935131330
2017-07-01	63.7639916084286
2017-10-01	64.3233804659246
2018-01-01	64.3639495916205
2018-04-01	64.0731674287978
2018-07-01	63.8397198424043