Quarter	Percent, Seasonally Adjusted
1960-01-01	13.6441070115844
1960-04-01	12.9764516051434
1960-07-01	13.7112259421902
1960-10-01	13.5630719933255
1961-01-01	12.4789680603477
1961-04-01	14.9292175306547
1961-07-01	15.1409856800112
1961-10-01	14.4105316959199
1962-01-01	14.2335367110416
1962-04-01	16.8173128356348
1962-07-01	15.0596682820794
1962-10-01	14.8996595250362
1963-01-01	15.6957252378950
1963-04-01	14.9646240031364
1963-07-01	15.7442660794514
1963-10-01	16.0837545889199
1964-01-01	15.1365493774760
1964-04-01	14.7380008717008
1964-07-01	14.3698668682164
1964-10-01	13.5976913003248
1965-01-01	15.1234149646444
1965-04-01	15.1111384784010
1965-07-01	14.4464872391421
1965-10-01	15.5086281525221
1966-01-01	15.8862781025145
1966-04-01	16.3053162622082
1966-07-01	17.8020555189288
1966-10-01	17.0424824879134
1967-01-01	16.7705692477662
1967-04-01	15.0277271798302
1967-07-01	15.3392489844468
1967-10-01	17.8039213869465
1968-01-01	16.0992870278192
1968-04-01	17.8091302202733
1968-07-01	17.8822192611742
1968-10-01	17.8526992800650
1969-01-01	17.9605898925744
1969-04-01	18.1968319980635
1969-07-01	16.1056858399151
1969-10-01	18.3478875263288
1970-01-01	16.9677605895174
1970-04-01	16.8253365421625
1970-07-01	20.2259216395675
1970-10-01	17.8841043365884
1971-01-01	17.8167876539251
1971-04-01	18.0679103068706
1971-07-01	18.4663604783920
1971-10-01	19.2199586716768
1972-01-01	18.0417857743255
1972-04-01	18.5195011600306
1972-07-01	21.0458711205835
1972-10-01	19.0344385229147
1973-01-01	17.2075403222216
1973-04-01	18.5272238572878
1973-07-01	18.3872553546146
1973-10-01	17.9508515406272
1974-01-01	15.0599757377323
1974-04-01	13.9674697283256
1974-07-01	15.3692717261083
1974-10-01	14.5656434695637
1975-01-01	16.9630408418114
1975-04-01	18.0047540794660
1975-07-01	14.8503907595830
1975-10-01	15.6043899370578
1976-01-01	14.1756066525341
1976-04-01	14.1193947920907
1976-07-01	15.5103301093225
1976-10-01	15.6346040187723
1977-01-01	18.5823931223222
1977-04-01	17.5929841670185
1977-07-01	16.8165034319474
1977-10-01	19.6049167820341
1978-01-01	19.0923947332443
1978-04-01	17.3881992796830
1978-07-01	19.5167365590827
1978-10-01	16.5885742833886
1979-01-01	19.4899783919184
1979-04-01	17.0398901258993
1979-07-01	15.5936619999531
1979-10-01	16.4855359521223
1980-01-01	14.5537348742751
1980-04-01	13.9011909338071
1980-07-01	15.9907560877758
1980-10-01	15.9092161490460
1981-01-01	15.8382020190384
1981-04-01	16.1389197008518
1981-07-01	15.4022888271854
1981-10-01	15.6131283940796
1982-01-01	14.8832561984965
1982-04-01	15.2848285541645
1982-07-01	19.4630796817391
1982-10-01	18.1543986666602
1983-01-01	18.5122181896650
1983-04-01	18.8288085216481
1983-07-01	18.2697604767827
1983-10-01	17.0728963130064
1984-01-01	16.1609173168924
1984-04-01	16.8188000903661
1984-07-01	16.8824625849454
1984-10-01	15.3753402079885
1985-01-01	17.3226879411746
1985-04-01	17.2863166616780
1985-07-01	17.8419098786119
1985-10-01	17.7820534055390
1986-01-01	20.2934482555576
1986-04-01	20.7690545989852
1986-07-01	16.8187010269779
1986-10-01	19.2567252514514
1987-01-01	18.3372652053133
1987-04-01	18.8637061770586
1987-07-01	17.6270448973830
1987-10-01	17.9194722813484
1988-01-01	14.2790116762050
1988-04-01	17.1608441999545
1988-07-01	15.5829690033362
1988-10-01	16.0736610238185
1989-01-01	18.9139470578445
1989-04-01	14.8599169193932
1989-07-01	15.1796046225985
1989-10-01	17.4057863828163
1990-01-01	17.6000978045707
1990-04-01	18.3419638613590
1990-07-01	18.4216473955930
1990-10-01	18.3736934334042
1991-01-01	18.4656200945348
1991-04-01	17.9586251190714
1991-07-01	17.8113062210036
1991-10-01	18.7300711369017
1992-01-01	18.6682649654626
1992-04-01	20.2420067027694
1992-07-01	18.6912841854786
1992-10-01	19.7864491308651
1993-01-01	20.2642295694281
1993-04-01	21.1514998732976
1993-07-01	18.8201408045858
1993-10-01	21.0854368665238
1994-01-01	20.9884799585747
1994-04-01	18.5864622026112
1994-07-01	17.9499893257916
1994-10-01	18.4827328987262
1995-01-01	17.6574412911575
1995-04-01	16.9258101614428
1995-07-01	18.8105512946156
1995-10-01	18.2939071254917
1996-01-01	18.2400595362195
1996-04-01	16.0373863176346
1996-07-01	17.4364049679547
1996-10-01	17.4023666477632
1997-01-01	18.1972367875093
1997-04-01	17.7013645897006
1997-07-01	16.7224786312121
1997-10-01	16.4729657443464
1998-01-01	17.2016662269264
1998-04-01	18.1468562411007
1998-07-01	16.2969484095222
1998-10-01	17.3682109088107
1999-01-01	19.4274298007184
1999-04-01	19.0674071751884
1999-07-01	19.1578352239044
1999-10-01	18.6667873234944
2000-01-01	18.6315614380973
2000-04-01	18.5797632406800
2000-07-01	16.9916136668370
2000-10-01	16.6085399637120
2001-01-01	16.4568660080917
2001-04-01	17.1169811517987
2001-07-01	17.5650930079446
2001-10-01	16.3369288366718
2002-01-01	16.9170563578312
2002-04-01	16.6466117269324
2002-07-01	16.8858181844847
2002-10-01	17.2119347911384
2003-01-01	17.6785148328996
2003-04-01	18.9049175399239
2003-07-01	18.5197162560325
2003-10-01	19.0870882874517
2004-01-01	18.0685775472317
2004-04-01	17.4413053992140
2004-07-01	17.2450089315612
2004-10-01	17.5485275311262
2005-01-01	18.1044356129739
2005-04-01	17.3236469416558
2005-07-01	17.1566559639894
2005-10-01	18.1465162332869
2006-01-01	18.0177310486860
2006-04-01	17.1171903214291
2006-07-01	16.6119212991269
2006-10-01	15.9302334181253
2007-01-01	16.6127298855185
2007-04-01	17.1420906682255
2007-07-01	16.3127286889435
2007-10-01	16.6007649222323
2008-01-01	16.0636565963481
2008-04-01	15.8771895030222
2008-07-01	15.3802348852960
2008-10-01	15.7404104016309
2009-01-01	17.3316864995796
2009-04-01	19.5629511765380
2009-07-01	19.7298464198168
2009-10-01	18.2627834232827
2010-01-01	19.2030448997917
2010-04-01	18.7585052034534
2010-07-01	18.7917977809430
2010-10-01	19.3539200403304
2011-01-01	18.1450720042207
2011-04-01	17.5229952257135
2011-07-01	16.6431774604995
2011-10-01	15.3253173204866
2012-01-01	15.2560828801879
2012-04-01	15.3286862480810
2012-07-01	15.5934799928580
2012-10-01	15.0488169375658
2013-01-01	15.1586545118252
2013-04-01	15.0718841737756
2013-07-01	14.4512930825130
2013-10-01	14.5084793837812
2014-01-01	14.7277550599464
2014-04-01	14.8025706019786
2014-07-01	14.8117174852231
2014-10-01	14.5932575506101
2015-01-01	15.4422697265199
2015-04-01	15.4583494028261
2015-07-01	15.3939918588416
2015-10-01	15.7506210727563
2016-01-01	16.2965755188042
2016-04-01	16.3266377714844
2016-07-01	16.9804722741959
2016-10-01	17.2907014640299
2017-01-01	16.4768453072634
2017-04-01	16.4047907582617
2017-07-01	16.4496112738128
2017-10-01	15.9371085661580
2018-01-01	15.1178935849146