Quarter	Percent, Seasonally Adjusted
1960-01-01	3.77608146633752
1960-04-01	3.45837360153142
1960-07-01	3.27946967929814
1960-10-01	3.06363898858142
1961-01-01	2.69429873944189
1961-04-01	2.60912496366578
1961-07-01	2.54902662178017
1961-10-01	2.62065215923074
1962-01-01	2.66258469272384
1962-04-01	2.69122359269302
1962-07-01	2.63888294311151
1962-10-01	2.73630793716717
1963-01-01	3.08866569942780
1963-04-01	2.86636329848811
1963-07-01	2.75082459349652
1963-10-01	2.69937289136355
1964-01-01	2.74821206107642
1964-04-01	2.63839270781795
1964-07-01	2.61948387158265
1964-10-01	2.58724206036601
1965-01-01	2.70202021860664
1965-04-01	2.69855113280278
1965-07-01	2.67370842004027
1965-10-01	2.60375495849219
1966-01-01	2.38053479821575
1966-04-01	2.62722079981114
1966-07-01	2.61105585894421
1966-10-01	2.53497584987951
1967-01-01	2.40713253974664
1967-04-01	2.75543801489310
1967-07-01	2.79818135898930
1967-10-01	2.89509264756762
1968-01-01	3.01494305667634
1968-04-01	2.94999180983050
1968-07-01	2.84816424901270
1968-10-01	2.83868567558253
1969-01-01	3.05136806748610
1969-04-01	2.77885541407883
1969-07-01	2.52785958531345
1969-10-01	2.44971215156140
1970-01-01	3.23024965193664
1970-04-01	2.22259375119513
1970-07-01	2.07918942100278
1970-10-01	2.05111773753212
1971-01-01	2.22604192355561
1971-04-01	2.06036130208158
1971-07-01	2.02743581936836
1971-10-01	2.01235138432778
1972-01-01	1.94105532904570
1972-04-01	2.00691772445695
1972-07-01	1.95989258522384
1972-10-01	1.78396405460684
1973-01-01	1.44318178727721
1973-04-01	1.55175482631582
1973-07-01	1.64737925797227
1973-10-01	1.61300755010136
1974-01-01	1.53189934162582
1974-04-01	1.53172427744742
1974-07-01	1.53230191543989
1974-10-01	1.53798116515354
1975-01-01	1.75491762953285
1975-04-01	2.02707184204970
1975-07-01	2.09323416314566
1975-10-01	2.30570712360512
1976-01-01	2.42047992777484
1976-04-01	1.93649443612414
1976-07-01	1.90348438998873
1976-10-01	1.82036356211230
1977-01-01	1.79243211878505
1977-04-01	1.75091248582880
1977-07-01	1.86004756300373
1977-10-01	1.94566190971575
1978-01-01	2.01785074058767
1978-04-01	2.09377134626801
1978-07-01	2.10731166551624
1978-10-01	2.10584991996141
1979-01-01	2.07439977112165
1979-04-01	2.07180067021229
1979-07-01	2.03398461959498
1979-10-01	1.84385918573774
1980-01-01	1.66393516456759
1980-04-01	1.86239728614489
1980-07-01	1.98634271082874
1980-10-01	1.97520219279211
1981-01-01	1.96253543968459
1981-04-01	2.22862942790691
1981-07-01	2.55148890680358
1981-10-01	2.92008303560492
1982-01-01	3.37408308095927
1982-04-01	3.43557718378003
1982-07-01	3.71652319712965
1982-10-01	4.14066737413105
1983-01-01	4.37731039364992
1983-04-01	4.51574423082831
1983-07-01	4.44141122760388
1983-10-01	4.46537066925122
1984-01-01	4.57977712961031
1984-04-01	4.54520508210586
1984-07-01	4.56583015648284
1984-10-01	4.47120122180099
1985-01-01	4.78408960910984
1985-04-01	4.75744105449510
1985-07-01	4.78654644002600
1985-10-01	4.92264240903573
1986-01-01	5.01643186426368
1986-04-01	5.06816339782246
1986-07-01	5.23364984226550
1986-10-01	5.42349642131504
1987-01-01	5.81454205866696
1987-04-01	5.55037233176306
1987-07-01	5.45771795353320
1987-10-01	5.48841609237011
1988-01-01	5.53086303498526
1988-04-01	5.39248633983068
1988-07-01	5.29434751644629
1988-10-01	5.16627457573777
1989-01-01	4.90016943457921
1989-04-01	4.96273813166729
1989-07-01	4.98481908933320
1989-10-01	4.97978897875363
1990-01-01	4.94667174578224
1990-04-01	5.27215398005192
1990-07-01	5.56784211542556
1990-10-01	5.65078501274028
1991-01-01	5.78523729286764
1991-04-01	5.84846820265859
1991-07-01	5.82703097675573
1991-10-01	5.81552322905138
1992-01-01	5.72852181254158
1992-04-01	5.80629382689119
1992-07-01	5.98491623457037
1992-10-01	6.26825375633019
1993-01-01	6.60458063338909
1993-04-01	6.80275362786002
1993-07-01	6.86016892151782
1993-10-01	6.87325484389974
1994-01-01	6.62094978739215
1994-04-01	6.59158069726911
1994-07-01	6.53302862669444
1994-10-01	6.43465986497764
1995-01-01	6.34854772312367
1995-04-01	6.47737432528665
1995-07-01	6.62305338996284
1995-10-01	6.83463535462683
1996-01-01	7.15532337828116
1996-04-01	7.04274135674899
1996-07-01	6.98153477340224
1996-10-01	6.96465126290094
1997-01-01	7.04537603821053
1997-04-01	7.09042171625354
1997-07-01	7.11757649948552
1997-10-01	7.14078272038374
1998-01-01	7.15122527097546
1998-04-01	7.25055033868004
1998-07-01	7.18819667883353
1998-10-01	7.12612725417765
1999-01-01	7.00596223256354
1999-04-01	6.76733775547756
1999-07-01	6.54867949809919
1999-10-01	6.33283439452638
2000-01-01	6.14202130093732
2000-04-01	5.87760325794968
2000-07-01	5.75803990833234
2000-10-01	5.58676617144732
2001-01-01	5.68713270316293
2001-04-01	5.91516379519202
2001-07-01	6.19594518270955
2001-10-01	6.54147237960216
2002-01-01	6.76830279333240
2002-04-01	6.87130764903456
2002-07-01	6.91602529132916
2002-10-01	6.90255844130388
2003-01-01	6.88486891571580
2003-04-01	6.97376680074657
2003-07-01	7.05427465789396
2003-10-01	7.14073973931033
2004-01-01	7.14541491307684
2004-04-01	7.06863432852328
2004-07-01	7.04001021844843
2004-10-01	7.09971690061812
2005-01-01	7.24776305383497
2005-04-01	7.20328837504082
2005-07-01	7.26666765983843
2005-10-01	7.31170697661912
2006-01-01	7.34589908193553
2006-04-01	6.73133632851745
2006-07-01	6.61592841174115
2006-10-01	6.50533459980586
2007-01-01	6.40273163252696
2007-04-01	6.25984028652094
2007-07-01	6.19767230189142
2007-10-01	6.08153472806067
2008-01-01	5.57583638157176
2008-04-01	5.77950618327766
2008-07-01	5.95337408859340
2008-10-01	6.27857996822386
2009-01-01	6.90638226485208
2009-04-01	7.31991279497710
2009-07-01	7.42559977193832
2009-10-01	7.27987454356584
2010-01-01	7.21699965698640
2010-04-01	6.97427589143422
2010-07-01	6.82855048538659
2010-10-01	6.77343456852613
2011-01-01	6.67364150189702
2011-04-01	6.68176721717615
2011-07-01	6.74506985722536
2011-10-01	6.81162505036814
2012-01-01	6.87098995618228
2012-04-01	6.93127173340278
2012-07-01	7.02426787360553
2012-10-01	7.16291851147609
2013-01-01	7.35968274115822
2013-04-01	7.43365973596896
2013-07-01	7.73920024064601
2013-10-01	7.94271332322682
2014-01-01	8.05522595628514
2014-04-01	8.27088120822729
2014-07-01	8.44127037244768
2014-10-01	8.65254322537322
2015-01-01	8.96055934341721
2015-04-01	9.17427107668803
2015-07-01	9.12991073533488
2015-10-01	9.18866109122655
2016-01-01	9.14029253086573
2016-04-01	9.11437608169972
2016-07-01	9.02691992588988
2016-10-01	8.96603448587800
2017-01-01	8.85964478793439
2017-04-01	8.61874632272064
2017-07-01	8.43406371979096
2017-10-01	8.13830290155402
2018-01-01	7.85374416783449
2018-04-01	7.76781531401298
2018-07-01	7.71451674028702