date,value
1947-01-01,0.00823312661413696
1947-04-01,0.008123007870942563
1947-07-01,0.008161548169962136
1947-10-01,0.007857706596854606
1948-01-01,0.007766931836141821
1948-04-01,0.007576118899206433
1948-07-01,0.007510852591011332
1948-10-01,0.00739033977015758
1949-01-01,0.007348182406538828
1949-04-01,0.007400009581685713
1949-07-01,0.007405941609958627
1949-10-01,0.007789318878012911
1950-01-01,0.007766319597760908
1950-04-01,0.007710506469042609
1950-07-01,0.007457334505911024
1950-10-01,0.007276250605572833
1951-01-01,0.006812500000000001
1951-04-01,0.006687203929204569
1951-07-01,0.00673050927045833
1951-10-01,0.006968425899409846
1952-01-01,0.007459285198154634
1952-04-01,0.007946708029803618
1952-07-01,0.008351894610022817
1952-10-01,0.008684075081667594
1953-01-01,0.008984999226764266
1953-04-01,0.009342716892704257
1953-07-01,0.009561035966367652
1953-10-01,0.009801279892219602
1954-01-01,0.00997028636676225
1954-04-01,0.009994276405582706
1954-07-01,0.009964296309936675
1954-10-01,0.009896581226515632
1955-01-01,0.009833612944927411
1955-04-01,0.009966028676351973
1955-07-01,0.0101761652731968
1955-10-01,0.010599599169053654
1956-01-01,0.011176906668849745
1956-04-01,0.011569247326293133
1956-07-01,0.011822044322692607
1956-10-01,0.011920610342199047
1957-01-01,0.011690603453964523
1957-04-01,0.011728192362692654
1957-07-01,0.011754155456839558
1957-10-01,0.01195710771926278
1958-01-01,0.012319801514308936
1958-04-01,0.012439139112416257
1958-07-01,0.012432050814978562
1958-10-01,0.01255517410495341
1959-01-01,0.012676111535672998
1959-04-01,0.012704413827147265
1959-07-01,0.0126829881493389
1959-10-01,0.01277336360196746
1960-01-01,0.012667511904586398
1960-04-01,0.012876099652546756
1960-07-01,0.013335679357189462
1960-10-01,0.013794967391525683
1961-01-01,0.014082103710336172
1961-04-01,0.014270671142751714
1961-07-01,0.014272527410580908
1961-10-01,0.014143696651119853
1962-01-01,0.013846498308959567
1962-04-01,0.013874869662839002
1962-07-01,0.013833541041694375
1962-10-01,0.014070359966028616
1963-01-01,0.014263148412667775
1963-04-01,0.014581930664769625
1963-07-01,0.014556734177058054
1963-10-01,0.014588538974642856
1964-01-01,0.014245575690258009
1964-04-01,0.014271947945552652
1964-07-01,0.014294157342662395
1964-10-01,0.014499820024981395
1965-01-01,0.014692319480628038
1965-04-01,0.014954991228322452
1965-07-01,0.015116311657322678
1965-10-01,0.015217844756217798
1966-01-01,0.015350607112427016
1966-04-01,0.0156873267816259
1966-07-01,0.015860660437900635
1966-10-01,0.01603980309659643
1967-01-01,0.016131821789449993
1967-04-01,0.016238252120478268
1967-07-01,0.016314680554255327
1967-10-01,0.01644129656164522
1968-01-01,0.01641765277049265
1968-04-01,0.01650034676735763
1968-07-01,0.016612941393000815
1968-10-01,0.016721589206946066
1969-01-01,0.01662074401738786
1969-04-01,0.01685397712632059
1969-07-01,0.016850234378944347
1969-10-01,0.017084285751439828
1970-01-01,0.017032914764079147
1970-04-01,0.01681508373345825
1970-07-01,0.016588417388005622
1970-10-01,0.016459552015050415
1971-01-01,0.01597401590618382
1971-04-01,0.01596165604776043
1971-07-01,0.015973846774364746
1971-10-01,0.01622452211506876
1972-01-01,0.016189545176412655
1972-04-01,0.016128000606458307
1972-07-01,0.016088289944102045
1972-10-01,0.01595073835280803
1973-01-01,0.015756194237344735
1973-04-01,0.01579051225451539
1973-07-01,0.016013664026201007
1973-10-01,0.016077475345274535
1974-01-01,0.016354515027739238
1974-04-01,0.01641116403582614
1974-07-01,0.01665549163924191
1974-10-01,0.016618959178685222
1975-01-01,0.01667083303426239
1975-04-01,0.016517813631116086
1975-07-01,0.01637950193587629
1975-10-01,0.016465824474651655
1976-01-01,0.016687293015550234
1976-04-01,0.017079011753832463
1976-07-01,0.01741001336826114
1976-10-01,0.01752441356519995
1977-01-01,0.017371601208459216
1977-04-01,0.01725660036509398
1977-07-01,0.01711090960328501
1977-10-01,0.017094447550444262
1978-01-01,0.01715847391454357
1978-04-01,0.0169023169598303
1978-07-01,0.017144923306498857
1978-10-01,0.01742627724672571
1979-01-01,0.017963199702367996
1979-04-01,0.018230218886891136
1979-07-01,0.018396552661322216
1979-10-01,0.01856687677113885
1980-01-01,0.018751599552949593
1980-04-01,0.01904622657427453
1980-07-01,0.019151523044247068
1980-10-01,0.01913110350932841
1981-01-01,0.01954032480572664
1981-04-01,0.020090231498052825
1981-07-01,0.02016801155857694
1981-10-01,0.020953615836050644
1982-01-01,0.021573147498306508
1982-04-01,0.02166434771960869
1982-07-01,0.021833918442739582
1982-10-01,0.021858241483400296
1983-01-01,0.02200573326581089
1983-04-01,0.02217724809771189
1983-07-01,0.022474648153423836
1983-10-01,0.022835497664377688
1984-01-01,0.02306314088802253
1984-04-01,0.02332301892382808
1984-07-01,0.023694680785946012
1984-10-01,0.02404936084912539
1985-01-01,0.024095969710895646
1985-04-01,0.024287018494316616
1985-07-01,0.02419295459327392
1985-10-01,0.02451275783095497
1986-01-01,0.024640330939458645
1986-04-01,0.024857986421257815
1986-07-01,0.02481254621371457
1986-10-01,0.02485815201603735
1987-01-01,0.02478147693553538
1987-04-01,0.024678953676115653
1987-07-01,0.024733266387623846
1987-10-01,0.024764406666621407
1988-01-01,0.025086273981091867
1988-04-01,0.025121791062720954
1988-07-01,0.02531557392952837
1988-10-01,0.025799382869812794
1989-01-01,0.026056143675494487
1989-04-01,0.026334249330463296
1989-07-01,0.026749646423012394
1989-10-01,0.027268059417072936
1990-01-01,0.02730191780579328
1990-04-01,0.02748678361913736
1990-07-01,0.02747644434454797
1990-10-01,0.0280228946066378
1991-01-01,0.028763360417870032
1991-04-01,0.02917317217198625
1991-07-01,0.029019952990176987
1991-10-01,0.029385717067813438
1992-01-01,0.028951288223888285
1992-04-01,0.02882720322162935
1992-07-01,0.02860884278583221
1992-10-01,0.02874684375515937
1993-01-01,0.028871414477746278
1993-04-01,0.02888952302260308
1993-07-01,0.028677882820035402
1993-10-01,0.028414235034157246
1994-01-01,0.028165795629128576
1994-04-01,0.02802482871714937
1994-07-01,0.02831099122570701
1994-10-01,0.028403731686824175
1995-01-01,0.02900154460962614
1995-04-01,0.029548092421089203
1995-07-01,0.029985845603188805
1995-10-01,0.030215040399681647
1996-01-01,0.030936390667154014
1996-04-01,0.031099461709681756
1996-07-01,0.031564398195244904
1996-10-01,0.03187860777253994
1997-01-01,0.033139475441710795
1997-04-01,0.03341129791960745
1997-07-01,0.03373565407027247
1997-10-01,0.033978229520345134
1998-01-01,0.0343861374525178
1998-04-01,0.034818113740494525
1998-07-01,0.035349256783476814
1998-10-01,0.03581755136194988
1999-01-01,0.036463726674998156
1999-04-01,0.037660517666522154
1999-07-01,0.038544690380324376
1999-10-01,0.038907820664475526
2000-01-01,0.04001708027820738
2000-04-01,0.03986906355755232
2000-07-01,0.040193096349980834
2000-10-01,0.0404197343284772
2001-01-01,0.04028707676077061
2001-04-01,0.03950334937258232
2001-07-01,0.03897775244809879
2001-10-01,0.03813726699538904
2002-01-01,0.03747484582927621
2002-04-01,0.037289781087599866
2002-07-01,0.037265705514546554
2002-10-01,0.03665528688733186
2003-01-01,0.036619051024021645
2003-04-01,0.0366587623221412
2003-07-01,0.03661503584134724
2003-10-01,0.03628979852082451
2004-01-01,0.035872680106683916
2004-04-01,0.03559734050259993
2004-07-01,0.035944410001310816
2004-10-01,0.03592642386407704
2005-01-01,0.03620189913502368
2005-04-01,0.03652337414228158
2005-07-01,0.03645256410392979
2005-10-01,0.03597002867863626
2006-01-01,0.0358516261298492
2006-04-01,0.03611188021252017
2006-07-01,0.036965324478658836
2006-10-01,0.03763643589970056
2007-01-01,0.03771561358674323
2007-04-01,0.037616644593469195
2007-07-01,0.037398697085446374
2007-10-01,0.03783362593609893
2008-01-01,0.03885591564785676
2008-04-01,0.03903468797065137
2008-07-01,0.03866420824647347
2008-10-01,0.039002864759122756
2009-01-01,0.03812207996423231
2009-04-01,0.038919533759128905
2009-07-01,0.03906675962887648
2009-10-01,0.03979838169428422
2010-01-01,0.03869814373694937
2010-04-01,0.03805011056933646
2010-07-01,0.0382243443512964
2010-10-01,0.038704138365563696
2011-01-01,0.039285675201453304
2011-04-01,0.039534916158654655
2011-07-01,0.04013757950060328
2011-10-01,0.040443474633257794
2012-01-01,0.040167143729729744
2012-04-01,0.04033592653596893
2012-07-01,0.04025560522811273
2012-10-01,0.04059853771088301
2013-01-01,0.04117781219326619
2013-04-01,0.04090882924643159
2013-07-01,0.04123473398766698
2013-10-01,0.0412645542097179
2014-01-01,0.04176171308110403
2014-04-01,0.04187491309191399
2014-07-01,0.04207135518597044
2014-10-01,0.042708833519548454
2015-01-01,0.04237560667132098
2015-04-01,0.0421769753953329
2015-07-01,0.042506080712650066
2015-10-01,0.043227018057961815
2016-01-01,0.043989417429070914
2016-04-01,0.04477203623700291
2016-07-01,0.04510714463977214
2016-10-01,0.04542473592252529
2017-01-01,0.045880609233860184
2017-04-01,0.046010979264344734
2017-07-01,0.04638220610336017
2017-10-01,0.04654508679105467
2018-01-01,0.047065474852046776
2018-04-01,0.04791468910609987
2018-07-01,0.04814111246215514
2018-10-01,0.048986591223665395
2019-01-01,0.04927869038822259
2019-04-01,0.04986489819720013
2019-07-01,0.050047080257368703
2019-10-01,0.0503942946445111
2020-01-01,0.0517744783078554
2020-04-01,0.055607817322635485
2020-07-01,0.05219670061011027
2020-10-01,0.053240389438931945
2021-01-01,0.0531572166934967
2021-04-01,0.05317199668427471
2021-07-01,0.053265940642807624
2021-10-01,0.053193042473590225
2022-01-01,0.05408996170703458
2022-04-01,0.054719188377073055
2022-07-01,0.05490189734916998
2022-10-01,0.05479355304229081
2023-01-01,0.054782260247516985
2023-04-01,0.0547041150144776
2023-07-01,0.05411784735707258
2023-10-01,0.05424513072618036
2024-01-01,0.05480580460845761
2024-04-01,0.054715936433951756
2024-07-01,0.05505833688669362
2024-10-01,0.054858388792455026
2025-01-01,0.055074809643742624
2025-04-01,0.05572018624510589
2025-07-01,0.056143018649512696
2025-10-01,0.05687325202749951
2026-01-01,0.057544105588762884
2026-04-01,0.05771314892993681