date,value
1947-01-01,0.5372482215150859
1947-04-01,0.5377555929262486
1947-07-01,0.5363177006127338
1947-10-01,0.5344210961963439
1948-01-01,0.5296902704945864
1948-04-01,0.5191592302688797
1948-07-01,0.5264446603403587
1948-10-01,0.5260202757242473
1949-01-01,0.5334707126705084
1949-04-01,0.5345432108800308
1949-07-01,0.5301868472253501
1949-10-01,0.5342923003233145
1950-01-01,0.5297326904643503
1950-04-01,0.5298345819019632
1950-07-01,0.5277734420728138
1950-10-01,0.5328894414917772
1951-01-01,0.5369856916886695
1951-04-01,0.5427903795402306
1951-07-01,0.5416422786262735
1951-10-01,0.5411435240525503
1952-01-01,0.5507522756443564
1952-04-01,0.5505404289968879
1952-07-01,0.5505561490605165
1952-10-01,0.5533757544194505
1953-01-01,0.5534612917550699
1953-04-01,0.5565010359960362
1953-07-01,0.5586277534971801
1953-10-01,0.56534936035572
1954-01-01,0.5570710846459883
1954-04-01,0.5544421272158498
1954-07-01,0.5501830726794666
1954-10-01,0.5481622594154911
1955-01-01,0.5416776518147465
1955-04-01,0.543395030697794
1955-07-01,0.5462277104719916
1955-10-01,0.5470594444750417
1956-01-01,0.5512140974682941
1956-04-01,0.5528326163001086
1956-07-01,0.5518630501661628
1956-10-01,0.5530380495044807
1957-01-01,0.552398015611036
1957-04-01,0.5529048619726393
1957-07-01,0.5528489921392711
1957-10-01,0.5558403120969223
1958-01-01,0.5548822167348787
1958-04-01,0.5509047395568996
1958-07-01,0.5511912693190655
1958-10-01,0.5462247590004915
1959-01-01,0.5483656607435141
1959-04-01,0.545756951086149
1959-07-01,0.5490650092236093
1959-10-01,0.549378088260351
1960-01-01,0.5510445008070095
1960-04-01,0.5552414813506172
1960-07-01,0.554883539247851
1960-10-01,0.555401534733738
1961-01-01,0.5549245544851727
1961-04-01,0.5520054030654493
1961-07-01,0.5506851827036329
1961-10-01,0.5476221954749857
1962-01-01,0.5493320731470621
1962-04-01,0.5523111354785168
1962-07-01,0.550257067927504
1962-10-01,0.5483223503658644
1963-01-01,0.5492570329406107
1963-04-01,0.5481647143805704
1963-07-01,0.5480519076851348
1963-10-01,0.5483250268603977
1964-01-01,0.5472434395975417
1964-04-01,0.5490012921248161
1964-07-01,0.5498639849515266
1964-10-01,0.5508476873536717
1965-01-01,0.5456209244715005
1965-04-01,0.5458378202792211
1965-07-01,0.5474438365310235
1965-10-01,0.5478630808120293
1966-01-01,0.5487052927233131
1966-04-01,0.5547619107062163
1966-07-01,0.5595177284760731
1966-10-01,0.5598096808339861
1967-01-01,0.5616738587733943
1967-04-01,0.5624449408228398
1967-07-01,0.5624626925354935
1967-10-01,0.5631717821697905
1968-01-01,0.5650432626317705
1968-04-01,0.5649734814219004
1968-07-01,0.5665591461282072
1968-10-01,0.5678141944004499
1969-01-01,0.5691772121172891
1969-04-01,0.5724837651057477
1969-07-01,0.5770137652546187
1969-10-01,0.5819089038506492
1970-01-01,0.5873123202710819
1970-04-01,0.5841016407090214
1970-07-01,0.5819423832630215
1970-10-01,0.5814763983198287
1971-01-01,0.577530625834004
1971-04-01,0.5767460318847827
1971-07-01,0.5749782702147066
1971-10-01,0.5732394425374043
1972-01-01,0.5779491723453695
1972-04-01,0.5784065462947321
1972-07-01,0.5740462315447159
1972-10-01,0.5698889761804261
1973-01-01,0.5729490378021914
1973-04-01,0.5739247494303368
1973-07-01,0.5731668806825407
1973-10-01,0.5705515192843983
1974-01-01,0.5756203617888523
1974-04-01,0.5778145379563461
1974-07-01,0.5783626392265506
1974-10-01,0.5772262205698245
1975-01-01,0.5737278881306209
1975-04-01,0.5684929708767738
1975-07-01,0.5620772617378952
1975-10-01,0.5629908885587435
1976-01-01,0.5631667630516561
1976-04-01,0.5654166211641366
1976-07-01,0.5662202886486307
1976-10-01,0.5683599674951628
1977-01-01,0.5677370562382899
1977-04-01,0.5651957932555296
1977-07-01,0.5634811151130577
1977-10-01,0.5648818343853542
1978-01-01,0.5686036627772197
1978-04-01,0.5624932076600708
1978-07-01,0.5650633153229464
1978-10-01,0.5661759276427953
1979-01-01,0.5685897374404038
1979-04-01,0.5704390236633837
1979-07-01,0.5736460551102185
1979-10-01,0.5752879458705614
1980-01-01,0.578091511911978
1980-04-01,0.5832797774799886
1980-07-01,0.576750420540062
1980-10-01,0.5692474996314927
1981-01-01,0.5675917648210382
1981-04-01,0.5675357102198959
1981-07-01,0.5616243209382616
1981-10-01,0.5657481535941635
1982-01-01,0.5698624870420717
1982-04-01,0.5664315106108797
1982-07-01,0.5667511596083471
1982-10-01,0.5673530777580919
1983-01-01,0.565583912750746
1983-04-01,0.5632260631156181
1983-07-01,0.5616675171602297
1983-10-01,0.5601150390934296
1984-01-01,0.5545198099601256
1984-04-01,0.5539348352333562
1984-07-01,0.5547997163643654
1984-10-01,0.5547147016092996
1985-01-01,0.5544027468253551
1985-04-01,0.5563675574599821
1985-07-01,0.5562940943532181
1985-10-01,0.5613785151308303
1986-01-01,0.5611118944660255
1986-04-01,0.5632831980651529
1986-07-01,0.5659133728750009
1986-10-01,0.5692726307116335
1987-01-01,0.5691080518984762
1987-04-01,0.5656232981019425
1987-07-01,0.5632431552484188
1987-10-01,0.565371656157082
1988-01-01,0.5638204738597007
1988-04-01,0.5646987027553529
1988-07-01,0.5630156167611288
1988-10-01,0.56166989312533
1989-01-01,0.5604502736123529
1989-04-01,0.561936268884857
1989-07-01,0.5627773154923875
1989-10-01,0.5678598730689707
1990-01-01,0.5674163936438521
1990-04-01,0.5685879671585137
1990-07-01,0.5705511498246993
1990-10-01,0.5704822693934677
1991-01-01,0.5671340588451067
1991-04-01,0.5680036642692814
1991-07-01,0.5690093035878708
1991-10-01,0.5713181086365821
1992-01-01,0.5721307301860074
1992-04-01,0.5728168680050746
1992-07-01,0.5739091333437063
1992-10-01,0.5720720403513166
1993-01-01,0.5721915886101523
1993-04-01,0.5702385139604313
1993-07-01,0.5707955208277816
1993-10-01,0.5648779325880556
1994-01-01,0.5625729292617967
1994-04-01,0.5623288214491048
1994-07-01,0.5595115740811414
1994-10-01,0.5575949297164722
1995-01-01,0.5585618691097376
1995-04-01,0.5577977960047908
1995-07-01,0.5544623849054501
1995-10-01,0.5541539966623295
1996-01-01,0.5517128586517583
1996-04-01,0.5506931827666688
1996-07-01,0.5517986454297353
1996-10-01,0.5498705072634201
1997-01-01,0.5499917963580621
1997-04-01,0.5498608998154181
1997-07-01,0.5479124308368604
1997-10-01,0.5507407542998721
1998-01-01,0.5556307216639731
1998-04-01,0.555830137067465
1998-07-01,0.5553101435649288
1998-10-01,0.5575662570471989
1999-01-01,0.5573402479137243
1999-04-01,0.5585266838199313
1999-07-01,0.5594113205507788
1999-10-01,0.5616449683780458
2000-01-01,0.5660842198399123
2000-04-01,0.5629962645406653
2000-07-01,0.5653847490857183
2000-10-01,0.5660089661245352
2001-01-01,0.5665219116279806
2001-04-01,0.5628829048091772
2001-07-01,0.5620627665383578
2001-10-01,0.5661616694399083
2002-01-01,0.5597912286321352
2002-04-01,0.5588539861590831
2002-07-01,0.5570976955488103
2002-10-01,0.5531425868729455
2003-01-01,0.5524906865188277
2003-04-01,0.5543887887015786
2003-07-01,0.5528292625269565
2003-10-01,0.5539493131153245
2004-01-01,0.5489514773576779
2004-04-01,0.5489120789642039
2004-07-01,0.5497463816479473
2004-10-01,0.5473805064203011
2005-01-01,0.5432341204435399
2005-04-01,0.540355500520912
2005-07-01,0.5403895854020341
2005-10-01,0.5344893231659366
2006-01-01,0.5349210087378903
2006-04-01,0.5315953872459365
2006-07-01,0.5300749300692098
2006-10-01,0.53659299494696
2007-01-01,0.5442753309828446
2007-04-01,0.5406213830091324
2007-07-01,0.5451182319299214
2007-10-01,0.5490685301455183
2008-01-01,0.5526844016153054
2008-04-01,0.5510286773105135
2008-07-01,0.5488671609361264
2008-10-01,0.5581010712019197
2009-01-01,0.5458320326613475
2009-04-01,0.5470654312684896
2009-07-01,0.543096043990451
2009-10-01,0.5365977784768273
2010-01-01,0.5301226929888044
2010-04-01,0.5321393512334454
2010-07-01,0.5273614407023492
2010-10-01,0.5268040028802959
2011-01-01,0.5319431078185243
2011-04-01,0.5269634488536051
2011-07-01,0.5278432879203515
2011-10-01,0.5194779022290538
2012-01-01,0.5196000276254907
2012-04-01,0.5191667545805579
2012-07-01,0.5233592519944222
2012-10-01,0.5264221801130987
2013-01-01,0.522550536413175
2013-04-01,0.523453756748563
2013-07-01,0.5219546977905454
2013-10-01,0.5218928463189322
2014-01-01,0.5264283037986118
2014-04-01,0.5196046891528063
2014-07-01,0.5176340354917321
2014-10-01,0.5211519738927226
2015-01-01,0.5251126286639592
2015-04-01,0.5258757027475992
2015-07-01,0.5282399318685121
2015-10-01,0.5306729204491127
2016-01-01,0.5298850375022934
2016-04-01,0.5316691583809763
2016-07-01,0.5318099471939611
2016-10-01,0.5324859718290392
2017-01-01,0.5314899946795281
2017-04-01,0.5326159065811327
2017-07-01,0.5345661357600571
2017-10-01,0.5347587066153013
2018-01-01,0.5336828977166347
2018-04-01,0.5320434094439722
2018-07-01,0.5318682253450681
2018-10-01,0.5308248624853449
2019-01-01,0.5341096223524319
2019-04-01,0.5329530854757469
2019-07-01,0.5312740343446785
2019-10-01,0.5329764152709551
2020-01-01,0.5415157474523475
2020-04-01,0.558599439795731
2020-07-01,0.5437481243136973
2020-10-01,0.5400763487716965
2021-01-01,0.5331702531261595
2021-04-01,0.5310948724047911
2021-07-01,0.5299298402622231
2021-10-01,0.5255868191247663
2022-01-01,0.5198805842030059
2022-04-01,0.5133724087563903
2022-07-01,0.5149312171906552
2022-10-01,0.5154591345829076
2023-01-01,0.5128784213697173
2023-04-01,0.5147536082996634
2023-07-01,0.5153470767428454
2023-10-01,0.5119865966588308
2024-01-01,0.5135506876750449
2024-04-01,0.5133994268586103
2024-07-01,0.5144447070988759
2024-10-01,0.5123555065443663
2025-01-01,0.5117735716783544
2025-04-01,0.5092556700545109
2025-07-01,0.5061560023682078
2025-10-01,0.5043752612608012
2026-01-01,0.504179394356205
2026-04-01,0.4991896808698248