Quarter	Percent, Seasonally Adjusted
1986-01-01	17.5488777143604
1986-04-01	18.7618074441449
1986-07-01	19.5821879315488
1986-10-01	20.8759946128044
1987-01-01	20.1108093105310
1987-04-01	20.5549558108682
1987-07-01	20.4623919036906
1987-10-01	21.0899510509924
1988-01-01	23.7709259342190
1988-04-01	24.0550609184080
1988-07-01	24.8325026576705
1988-10-01	25.9821583610790
1989-01-01	24.9940458356126
1989-04-01	26.3339427469579
1989-07-01	26.8438623925514
1989-10-01	26.7156673092395
1990-01-01	28.4950531758505
1990-04-01	26.3267649477374
1990-07-01	27.6838660619204
1990-10-01	27.4266052286483
1991-01-01	28.3742339959734
1991-04-01	28.3777098668267
1991-07-01	28.8486218393468
1991-10-01	28.7860456028408
1992-01-01	29.3142816234554
1992-04-01	30.0702383025029
1992-07-01	31.0029216200151
1992-10-01	31.0694606933968
1993-01-01	31.3776608332053
1993-04-01	30.6211946415512
1993-07-01	31.8650801056689
1993-10-01	31.0351312707538
1994-01-01	30.6029710500517
1994-04-01	30.4178580167183
1994-07-01	29.0812664817298
1994-10-01	29.8148324258354
1995-01-01	29.3443642523039
1995-04-01	28.8786948412988
1995-07-01	28.9798924448783
1995-10-01	27.9143944841842
1996-01-01	29.6659160891553
1996-04-01	29.3028758669748
1996-07-01	28.8199452805261
1996-10-01	30.0043749572222
1997-01-01	30.8210019216241
1997-04-01	29.9533578851343
1997-07-01	30.6347798709449
1997-10-01	29.9396685989596
1998-01-01	30.5453043730187
1998-04-01	31.5130328774776
1998-07-01	32.3060361703257
1998-10-01	34.1447515494976
1999-01-01	33.5386082791128
1999-04-01	33.9322126119215
1999-07-01	32.6082069145767
1999-10-01	33.2821525540144
2000-01-01	33.2306466937725
2000-04-01	35.3448457580902
2000-07-01	34.6369671378568
2000-10-01	33.5221745239785
2001-01-01	34.3006352625265
2001-04-01	34.2207646682660
2001-07-01	33.2146722035637
2001-10-01	33.5457899396570
2002-01-01	31.8797293897563
2002-04-01	33.8116713514886
2002-07-01	33.4131318821597
2002-10-01	33.9408881156730
2003-01-01	34.5866150551541
2003-04-01	34.9414476207350
2003-07-01	34.5618119619426
2003-10-01	34.8032517321243
2004-01-01	35.0907586751663
2004-04-01	34.0523425844037
2004-07-01	34.7144147415336
2004-10-01	33.5037488756323
2005-01-01	34.4589030218435
2005-04-01	34.1771512669035
2005-07-01	34.3323580268404
2005-10-01	34.9816515963960
2006-01-01	32.5041033305240
2006-04-01	32.6701680941035
2006-07-01	33.1316720850680
2006-10-01	32.4605112745051
2007-01-01	32.6806453926281
2007-04-01	33.6602314725507
2007-07-01	32.3036516557551
2007-10-01	33.4129672304728
2008-01-01	35.0847180767323
2008-04-01	33.7623193092130
2008-07-01	34.7980429271793
2008-10-01	34.4004426624875
2009-01-01	36.2417086352459
2009-04-01	35.3349424821667
2009-07-01	38.1272760282857
2009-10-01	37.0267048569042
2010-01-01	39.7957536935651
2010-04-01	38.2537210113707
2010-07-01	39.2257225206822
2010-10-01	39.1818437462965
2011-01-01	38.4791266291899
2011-04-01	38.9987394578908
2011-07-01	39.2929661304762
2011-10-01	39.2831144825938
2012-01-01	38.4670406954038
2012-04-01	39.1546949204742
2012-07-01	38.6169507738749
2012-10-01	41.9008220479846
2013-01-01	41.5823272999832
2013-04-01	41.1661254088750
2013-07-01	40.0307736051290
2013-10-01	38.5042964037813
2014-01-01	38.6292600440617
2014-04-01	38.1289869249852
2014-07-01	38.0873334021489
2014-10-01	36.1923265102800
2015-01-01	35.6141670685888
2015-04-01	36.4356467221286
2015-07-01	36.4552397172934
2015-10-01	36.7296625717066
2016-01-01	35.6174921414815
2016-04-01	35.5416839246935
2016-07-01	34.5330766540446
2016-10-01	34.5363286251554
2017-01-01	33.6480380493258
2017-04-01	35.1897693287292
2017-07-01	34.6378312421265
2017-10-01	34.8103821245700
2018-01-01	35.0027238367062
2018-04-01	34.3932908200532
2018-07-01	36.0694888232958