date,value
1947-01-01,0.04095589807701798
1947-04-01,0.055303941976192025
1947-07-01,0.05556423663281047
1947-10-01,0.05565073437409767
1948-01-01,0.06762574226129102
1948-04-01,0.0701075331936735
1948-07-01,0.0672001031533403
1948-10-01,0.07387843033748744
1949-01-01,0.07332911567297135
1949-04-01,0.07055068896005542
1949-07-01,0.07324223402189167
1949-10-01,0.06241801446271066
1950-01-01,0.0591678892418135
1950-04-01,0.0612329234149382
1950-07-01,0.0607393080709907
1950-10-01,0.06316085577208583
1951-01-01,0.043654761904761905
1951-04-01,0.05395100119154873
1951-07-01,0.060415214081420664
1951-10-01,0.059279349089500194
1952-01-01,0.05696737257517648
1952-04-01,0.0547239841564413
1952-07-01,0.05375019377156983
1952-10-01,0.05832799386573952
1953-01-01,0.0568482911490283
1953-04-01,0.05394525576325657
1953-07-01,0.05223802377988144
1953-10-01,0.046057983781122885
1954-01-01,0.05297071455449012
1954-04-01,0.05499571377884135
1954-07-01,0.05686758943825512
1954-10-01,0.061453366488715
1955-01-01,0.06699058035746709
1955-04-01,0.06814903732101003
1955-07-01,0.06575457729864419
1955-10-01,0.06594950262187366
1956-01-01,0.06307277382852829
1956-04-01,0.061760947063967175
1956-07-01,0.0633456784377348
1956-10-01,0.06158583860158145
1957-01-01,0.06240168249325747
1957-04-01,0.06129548223081405
1957-07-01,0.0593880998560971
1957-10-01,0.05541586643754844
1958-01-01,0.049488813791333366
1958-04-01,0.050705753234260915
1958-07-01,0.05320876583079649
1958-10-01,0.057541211678393774
1959-01-01,0.06166402131953834
1959-04-01,0.0652727526676399
1959-07-01,0.06110461417736757
1959-10-01,0.06266931517215286
1960-01-01,0.06347577066533001
1960-04-01,0.06039772307237377
1960-07-01,0.05988775742113327
1960-10-01,0.05808621669502052
1961-01-01,0.0555688069017904
1961-04-01,0.059503730570880854
1961-07-01,0.060822951605174896
1961-10-01,0.06389809373557558
1962-01-01,0.06634029894968628
1962-04-01,0.06606136923143549
1962-07-01,0.06681477175888753
1962-10-01,0.07060331874305874
1963-01-01,0.06993559304585054
1963-04-01,0.07116610983371233
1963-07-01,0.07066711770146049
1963-10-01,0.07070242133046252
1964-01-01,0.07562755478321105
1964-04-01,0.07502865882588695
1964-07-01,0.07435938563445858
1964-10-01,0.07385859269573897
1965-01-01,0.08010560191699523
1965-04-01,0.0805446794057993
1965-07-01,0.07940634412663164
1965-10-01,0.08067426997487877
1966-01-01,0.08126836354862303
1966-04-01,0.07918571991140164
1966-07-01,0.07646302392031604
1966-10-01,0.07737410926650842
1967-01-01,0.07426703152208679
1967-04-01,0.07280357792794438
1967-07-01,0.07235969964159943
1967-10-01,0.07304419250793305
1968-01-01,0.06781161375739922
1968-04-01,0.06962103893212777
1968-07-01,0.06891594141929377
1968-10-01,0.06827267749966427
1969-01-01,0.06520949083744994
1969-04-01,0.062302035638540365
1969-07-01,0.05956565134821294
1969-10-01,0.0547552514239313
1970-01-01,0.05097697869101979
1970-04-01,0.053696217355662254
1970-07-01,0.05178355872010637
1970-10-01,0.048485772656456684
1971-01-01,0.05482770650025195
1971-04-01,0.054851328105608464
1971-07-01,0.0567932579022226
1971-10-01,0.059489354337614896
1972-01-01,0.06043918092586679
1972-04-01,0.0599746203515721
1972-07-01,0.061525718173266616
1972-10-01,0.06221442632424916
1973-01-01,0.06350681311661065
1973-04-01,0.06026860703861058
1973-07-01,0.06210255272910887
1973-10-01,0.06048409220687819
1974-01-01,0.05746545252878704
1974-04-01,0.053763391666710236
1974-07-01,0.046647940483043236
1974-10-01,0.04572979954103292
1975-01-01,0.04915364986176735
1975-04-01,0.05298292281456037
1975-07-01,0.057163327133850354
1975-10-01,0.05998418690555451
1976-01-01,0.06276727051607618
1976-04-01,0.061420414914820885
1976-07-01,0.06136413510742845
1976-10-01,0.059906228334883446
1977-01-01,0.06094693480193579
1977-04-01,0.06638961160245906
1977-07-01,0.07024021547595839
1977-10-01,0.06589889431540427
1978-01-01,0.06525722275690497
1978-04-01,0.06849963094535033
1978-07-01,0.0693082783554268
1978-10-01,0.07000911201643635
1979-01-01,0.06653341829566099
1979-04-01,0.06573128690549376
1979-07-01,0.0634481259125832
1979-10-01,0.06102795164109472
1980-01-01,0.05448803193872628
1980-04-01,0.05070402294741598
1980-07-01,0.04968697520692404
1980-10-01,0.051845267064068785
1981-01-01,0.052810858182847094
1981-04-01,0.05383313117464107
1981-07-01,0.05656796015713629
1981-10-01,0.055665995492587515
1982-01-01,0.05168338167951521
1982-04-01,0.05444013335046032
1982-07-01,0.052972650863464636
1982-10-01,0.05199172035416852
1983-01-01,0.05532109196343769
1983-04-01,0.057921711120449935
1983-07-01,0.058402425038199555
1983-10-01,0.06088271397046306
1984-01-01,0.06328085538224396
1984-04-01,0.06248302511895822
1984-07-01,0.06326375711574952
1984-10-01,0.06434584027049443
1985-01-01,0.0629868600963366
1985-04-01,0.06320562100935369
1985-07-01,0.06440656947601345
1985-10-01,0.059726234413583504
1986-01-01,0.055610446918228335
1986-04-01,0.05201437076214321
1986-07-01,0.048821866327637686
1986-10-01,0.04609901136351193
1987-01-01,0.048317971706144394
1987-04-01,0.052650140652828865
1987-07-01,0.05569432629993929
1987-10-01,0.05574846934720769
1988-01-01,0.05601599882681577
1988-04-01,0.055883234721300586
1988-07-01,0.0543867071373609
1988-10-01,0.05673960354543348
1989-01-01,0.052626689429790284
1989-04-01,0.0529888571203053
1989-07-01,0.053134785918022814
1989-10-01,0.04995861489616663
1990-01-01,0.05126227267487311
1990-04-01,0.052836832310183775
1990-07-01,0.047143396735823545
1990-10-01,0.04838266747247546
1991-01-01,0.05484792660630722
1991-04-01,0.05415741369725644
1991-07-01,0.0530822339962523
1991-10-01,0.052910189734601425
1992-01-01,0.054844476797637376
1992-04-01,0.05425465281296812
1992-07-01,0.052203858867874764
1992-10-01,0.05308493604735837
1993-01-01,0.05165170038185834
1993-04-01,0.05338820042300276
1993-07-01,0.05609510355708391
1993-10-01,0.05781852701084642
1994-01-01,0.06137034245069883
1994-04-01,0.06242173411061869
1994-07-01,0.06424432978792333
1994-10-01,0.06514101131975049
1995-01-01,0.06420359547472851
1995-04-01,0.06746935792218359
1995-07-01,0.07014385422598227
1995-10-01,0.07147531079102888
1996-01-01,0.07407299616647103
1996-04-01,0.07279505131435457
1996-07-01,0.07267646636351294
1996-10-01,0.0738748083935983
1997-01-01,0.07634549075622514
1997-04-01,0.07728894536511782
1997-07-01,0.07888871791562635
1997-10-01,0.07759105817572556
1998-01-01,0.06937521992944214
1998-04-01,0.06874935268173435
1998-07-01,0.0679399638004069
1998-10-01,0.06477142058777548
1999-01-01,0.06906342564485285
1999-04-01,0.06795798119084084
1999-07-01,0.0648944224748638
1999-10-01,0.06378648687714321
2000-01-01,0.06025277092121627
2000-04-01,0.05815303306491591
2000-07-01,0.058080676166740876
2000-10-01,0.05500010349046507
2001-01-01,0.056679456260325105
2001-04-01,0.05900358524389093
2001-07-01,0.0575933051645496
2001-10-01,0.059938285994091255
2002-01-01,0.0670210970464135
2002-04-01,0.06868902388619569
2002-07-01,0.070298178083838
2002-10-01,0.07558143687169645
2003-01-01,0.07224473603266975
2003-04-01,0.07492349793145195
2003-07-01,0.0760777368142894
2003-10-01,0.07801297527724983
2004-01-01,0.08530947468462768
2004-04-01,0.08500443538516851
2004-07-01,0.08706625523442851
2004-10-01,0.08381145241072756
2005-01-01,0.08650342758829088
2005-04-01,0.08767957608714494
2005-07-01,0.08792531973403825
2005-10-01,0.09067295877487315
2006-01-01,0.09224415331535184
2006-04-01,0.09151124839894414
2006-07-01,0.09286672970835003
2006-10-01,0.08993992689229578
2007-01-01,0.0822169874598075
2007-04-01,0.08623218504102392
2007-07-01,0.08330233820560491
2007-10-01,0.08101707788035901
2008-01-01,0.0786213587453417
2008-04-01,0.07687763933903957
2008-07-01,0.07789798495858682
2008-10-01,0.06154874974748786
2009-01-01,0.07799470885465094
2009-04-01,0.07833575639812879
2009-07-01,0.08901270008295452
2009-10-01,0.09204962662227638
2010-01-01,0.0967377397709794
2010-04-01,0.09499123275648051
2010-07-01,0.10376283045782393
2010-10-01,0.10362289390216803
2011-01-01,0.09347854352240909
2011-04-01,0.10012676169412142
2011-07-01,0.10326585155115647
2011-10-01,0.10844596089484461
2012-01-01,0.10944784008518367
2012-04-01,0.10670708512896959
2012-07-01,0.10449466685368174
2012-10-01,0.10347866275519521
2013-01-01,0.10209122445690641
2013-04-01,0.10182060313520122
2013-07-01,0.10147790724436556
2013-10-01,0.1018780865702859
2014-01-01,0.09609647501316743
2014-04-01,0.10284962623529353
2014-07-01,0.10609968598469982
2014-10-01,0.10497597738375315
2015-01-01,0.1011225990225941
2015-04-01,0.09844755277195835
2015-07-01,0.09674628752915639
2015-10-01,0.09229619503234503
2016-01-01,0.09594528923320624
2016-04-01,0.09262273415854955
2016-07-01,0.09288188907859829
2016-10-01,0.09469768503207988
2017-01-01,0.09913654940507521
2017-04-01,0.0975846410677947
2017-07-01,0.09785409185533953
2017-10-01,0.09867022593302979
2018-01-01,0.09978088455189113
2018-04-01,0.10062498688104785
2018-07-01,0.09962132303270439
2018-10-01,0.10037467013247574
2019-01-01,0.10105074935106766
2019-04-01,0.10097884198000762
2019-07-01,0.10152671358530078
2019-10-01,0.1001927806577576
2020-01-01,0.0911726495751644
2020-04-01,0.09050739865452408
2020-07-01,0.11122159031353819
2020-10-01,0.09953076810237259
2021-01-01,0.10848024523610801
2021-04-01,0.11436012248607096
2021-07-01,0.11173900709550842
2021-10-01,0.10832378916650116
2022-01-01,0.10311689726584237
2022-04-01,0.10727751869171215
2022-07-01,0.10963990866429313
2022-10-01,0.10427223426266495
2023-01-01,0.10639128510912226
2023-04-01,0.10518939816971246
2023-07-01,0.10660242975777678
2023-10-01,0.10718877179018522
2024-01-01,0.10403251240892335
2024-04-01,0.10496920531219482
2024-07-01,0.10230556039558097
2024-10-01,0.10729809787998164
2025-01-01,0.10869214114195161
2025-04-01,0.10713452035891145
2025-07-01,0.1091169405179065
2025-10-01,0.1138264722126703
2026-01-01,0.11284736663391032
2026-04-01,0.11907472983933007