Quarter	Percent, Seasonally Adjusted
1960-01-01	27.2234118486795
1960-04-01	26.3550884955752
1960-07-01	28.9110654534781
1960-10-01	28.3106389346102
1961-01-01	29.0224650880389
1961-04-01	27.9889325760885
1961-07-01	27.4844495877333
1961-10-01	26.8782922095925
1962-01-01	26.7471841498168
1962-04-01	25.9577795152463
1962-07-01	27.3384237796564
1962-10-01	28.0363972042727
1963-01-01	27.1193144363876
1963-04-01	25.6805469235550
1963-07-01	27.1668160286775
1963-10-01	26.7255520504732
1964-01-01	26.8338557993730
1964-04-01	25.3551136363636
1964-07-01	25.9898599710285
1964-10-01	25.3097140210721
1965-01-01	25.9369070208729
1965-04-01	23.4255626677679
1965-07-01	24.2811158798283
1965-10-01	24.2697768762677
1966-01-01	24.3240595611285
1966-04-01	23.7816585901070
1966-07-01	24.5152480655439
1966-10-01	24.0612823237690
1967-01-01	24.7859552019372
1967-04-01	25.7236388697450
1967-07-01	26.4367816091954
1967-10-01	24.5595079787234
1968-01-01	23.3775351014041
1968-04-01	22.5694444444444
1968-07-01	22.2609561752988
1968-10-01	22.4659660012697
1969-01-01	24.7988124072193
1969-04-01	21.1419061639890
1969-07-01	21.8829185887857
1969-10-01	21.8628313026002
1970-01-01	21.7726153651916
1970-04-01	22.4357025597373
1970-07-01	22.1764565425024
1970-10-01	21.5523826311769
1971-01-01	21.5297450424929
1971-04-01	20.8216670256300
1971-07-01	20.0968144909432
1971-10-01	21.0706089555425
1972-01-01	19.4545454545455
1972-04-01	20.0227315779504
1972-07-01	18.5520771983872
1972-10-01	18.8852883992223
1973-01-01	18.8009455493968
1973-04-01	18.0582006551383
1973-07-01	17.4488567990373
1973-10-01	16.9967401591363
1974-01-01	15.0667956235266
1974-04-01	14.4117251579938
1974-07-01	14.2250530785563
1974-10-01	14.7119821641520
1975-01-01	15.5691964285714
1975-04-01	15.7719616173019
1975-07-01	15.6973181194735
1975-10-01	15.8896130911108
1976-01-01	15.2342232695445
1976-04-01	14.7069673643049
1976-07-01	14.1929752630860
1976-10-01	14.5191294797947
1977-01-01	14.0243261979287
1977-04-01	13.9281915427379
1977-07-01	13.8206166553065
1977-10-01	13.8022445820433
1978-01-01	13.6252170333113
1978-04-01	13.3954130022418
1978-07-01	13.8099623273336
1978-10-01	13.7907149070524
1979-01-01	13.3155771776950
1979-04-01	12.9599629715344
1979-07-01	12.6945895928587
1979-10-01	12.0867678958785
1980-01-01	11.6473014549266
1980-04-01	11.9764878765614
1980-07-01	12.5796003177901
1980-10-01	12.3401571191009
1981-01-01	12.1235405861134
1981-04-01	12.0411082826668
1981-07-01	12.0905608401842
1981-10-01	12.1657342434633
1982-01-01	13.3953244024166
1982-04-01	14.0091140540425
1982-07-01	13.2869456849102
1982-10-01	14.1956792463046
1983-01-01	14.3871225754849
1983-04-01	14.0468123465233
1983-07-01	13.5437130453949
1983-10-01	13.0392076614553
1984-01-01	13.6147262875373
1984-04-01	13.4667379150284
1984-07-01	13.4686896897996
1984-10-01	13.5375318899671
1985-01-01	14.4029607938832
1985-04-01	14.3046108810845
1985-07-01	14.2164541495661
1985-10-01	13.9896489144803
1986-01-01	14.5988353283727
1986-04-01	13.6791505237480
1986-07-01	14.5280927615312
1986-10-01	14.4412010008340
1987-01-01	14.6402394962321
1987-04-01	14.7424953065003
1987-07-01	14.4180495567174
1987-10-01	14.4944413763296
1988-01-01	14.4937566175122
1988-04-01	14.2792456380733
1988-07-01	14.2093492293734
1988-10-01	13.8356789695700
1989-01-01	13.5524875876680
1989-04-01	13.2915225141256
1989-07-01	13.7984902551373
1989-10-01	13.8050831002398
1990-01-01	14.3204241281331
1990-04-01	14.7542497204469
1990-07-01	15.0102834211186
1990-10-01	15.3930360195543
1991-01-01	17.2492432003797
1991-04-01	16.5071237756011
1991-07-01	15.5846373903204
1991-10-01	15.6040215740692
1992-01-01	15.3396557055974
1992-04-01	14.7195864537610
1992-07-01	14.7841296593893
1992-10-01	14.4120483998816
1993-01-01	14.4604333887724
1993-04-01	14.2274461035888
1993-07-01	14.2625861949678
1993-10-01	14.0295997455659
1994-01-01	14.2722289890378
1994-04-01	13.6964086484424
1994-07-01	13.1785437129128
1994-10-01	12.5297368244427
1995-01-01	12.5953542146106
1995-04-01	12.4635560748161
1995-07-01	12.5656002399901
1995-10-01	12.8010841676931
1996-01-01	12.7258940549591
1996-04-01	12.6327316946995
1996-07-01	12.7845463553377
1996-10-01	12.4678901427531
1997-01-01	12.4582592045584
1997-04-01	12.4070510680401
1997-07-01	12.4672230962730
1997-10-01	12.3315209677279
1998-01-01	12.4727094674386
1998-04-01	12.7039660217943
1998-07-01	12.9665922762340
1998-10-01	12.9410111430744
1999-01-01	12.6055624973071
1999-04-01	12.2344883242114
1999-07-01	11.9828494426069
1999-10-01	11.7123802367086
2000-01-01	11.5863386161456
2000-04-01	11.5868056229420
2000-07-01	11.7426715550868
2000-10-01	11.2434850437917
2001-01-01	11.6550874431021
2001-04-01	12.4090617643660
2001-07-01	12.5006715014773
2001-10-01	12.7690559515441
2002-01-01	13.1055653215092
2002-04-01	12.4388571016010
2002-07-01	12.3387549074593
2002-10-01	12.8732498254765
2003-01-01	12.3370314588150
2003-04-01	12.1746598946018
2003-07-01	12.8765518468996
2003-10-01	12.8959375625375
2004-01-01	12.8513532662605
2004-04-01	12.5564635825540
2004-07-01	12.4651794734419
2004-10-01	12.0760693668155
2005-01-01	11.8692197306260
2005-04-01	11.7313171090939
2005-07-01	11.6253837598005
2005-10-01	11.1109692936925
2006-01-01	11.5237828250727
2006-04-01	11.2820547013562
2006-07-01	10.9243480004917
2006-10-01	11.5436488554168
2007-01-01	11.3135371486651
2007-04-01	11.3274579464934
2007-07-01	11.4515297613633
2007-10-01	11.4725990518968
2008-01-01	11.4789246483609
2008-04-01	11.4767515984435
2008-07-01	11.7655823025271
2008-10-01	13.2176480261467
2009-01-01	14.7996016158067
2009-04-01	14.9488709392878
2009-07-01	14.5458017218308
2009-10-01	14.0276247847323
2010-01-01	13.6314061627570
2010-04-01	13.3399138787678
2010-07-01	13.3616502665502
2010-10-01	13.2708715232987
2011-01-01	12.5358660887257
2011-04-01	12.7013662375651
2011-07-01	12.8683250023959
2011-10-01	12.7463926990143
2012-01-01	12.6465701454157
2012-04-01	12.8207571678641
2012-07-01	12.9382989155843
2012-10-01	12.9333466682426
2013-01-01	12.8146471140421
2013-04-01	12.9223615770868
2013-07-01	12.9692871079498
2013-10-01	13.0739326552925
2014-01-01	12.8819885832810
2014-04-01	12.8974105970433
2014-07-01	13.0018343123162
2014-10-01	13.0933991883730
2015-01-01	13.3578420584688
2015-04-01	13.3818799484946
2015-07-01	13.5869404460765
2015-10-01	14.1254783280908
2016-01-01	14.2014982356423
2016-04-01	14.0629920908094
2016-07-01	14.0439235445534
2016-10-01	14.0819968211903
2017-01-01	13.9853631306260
2017-04-01	13.9425272885611
2017-07-01	14.1150544401529
2017-10-01	13.8519941065491
2018-01-01	13.5521826509628
2018-04-01	13.5112985559574