date,value
1961-01-01,0.505911330049261
1961-04-01,0.50472334682861
1961-07-01,0.5037085719650737
1961-10-01,0.5019813842042208
1962-01-01,0.4970419505198996
1962-04-01,0.5022600372241425
1962-07-01,0.4999565859164713
1962-10-01,0.4935924637189171
1963-01-01,0.4952925353059852
1963-04-01,0.4948513057088722
1963-07-01,0.49748743718592964
1963-10-01,0.48917445482866045
1964-01-01,0.4882075471698113
1964-04-01,0.4890303257207039
1964-07-01,0.4941004030780506
1964-10-01,0.498084014171065
1965-01-01,0.49542501920793464
1965-04-01,0.4950900163666121
1965-07-01,0.49973361747469364
1965-10-01,0.49974283142599973
1966-01-01,0.5003731343283582
1966-04-01,0.4976537119480207
1966-07-01,0.502404845317974
1966-10-01,0.508623703531057
1967-01-01,0.5168959760520407
1967-04-01,0.5122100802854594
1967-07-01,0.518817352859906
1967-10-01,0.5167300380228137
1968-01-01,0.5139943703861065
1968-04-01,0.5122340699531241
1968-07-01,0.5116302487161414
1968-10-01,0.5161021109474718
1969-01-01,0.518019953219724
1969-04-01,0.5187421030464692
1969-07-01,0.5238007803534542
1969-10-01,0.5247906122631791
1970-01-01,0.5255209245316057
1970-04-01,0.5230742539902845
1970-07-01,0.52172249617412
1970-10-01,0.5273294281259219
1971-01-01,0.530284147557328
1971-04-01,0.5296674375947045
1971-07-01,0.5250135103836949
1971-10-01,0.5226427148709083
1972-01-01,0.530384288197655
1972-04-01,0.5244067555048814
1972-07-01,0.5311931738704714
1972-10-01,0.5318221447253705
1973-01-01,0.5294174228093238
1973-04-01,0.5239003383574284
1973-07-01,0.5172311260444233
1973-10-01,0.5136098327533954
1974-01-01,0.5162491627595446
1974-04-01,0.5130802769941011
1974-07-01,0.5220285495919725
1974-10-01,0.5356658595641647
1975-01-01,0.5425336231814816
1975-04-01,0.5448325116343362
1975-07-01,0.5414233656759011
1975-10-01,0.5366930604793343
1976-01-01,0.5398475398475399
1976-04-01,0.5388165932936408
1976-07-01,0.5336966533619896
1976-10-01,0.5508272455820766
1977-01-01,0.5418712939721343
1977-04-01,0.5445891605280951
1977-07-01,0.542929776601487
1977-10-01,0.5392608916765553
1978-01-01,0.5358859605503067
1978-04-01,0.5333193932862589
1978-07-01,0.5308067271672858
1978-10-01,0.5300351207942469
1979-01-01,0.5287546057479735
1979-04-01,0.5225567613980265
1979-07-01,0.5246074013382493
1979-10-01,0.5236537060343115
1980-01-01,0.5267541254551559
1980-04-01,0.5272296266407758
1980-07-01,0.531512113411585
1980-10-01,0.5290082274452486
1981-01-01,0.5253264118294794
1981-04-01,0.529000630448488
1981-07-01,0.5366664878493643
1981-10-01,0.5452595133659739
1982-01-01,0.5470125638374534
1982-04-01,0.5452814372496869
1982-07-01,0.5367183489064585
1982-10-01,0.536637164544614
1983-01-01,0.5275421837335952
1983-04-01,0.5263537628305645
1983-07-01,0.5204121596419247
1983-10-01,0.5181034798199715
1984-01-01,0.513254733833512
1984-04-01,0.5114111134322122
1984-07-01,0.5155681671610989
1984-10-01,0.5142751361039355
1985-01-01,0.5123185543596327
1985-04-01,0.5116119446373488
1985-07-01,0.5125666836021847
1985-10-01,0.5106257333115768
1986-01-01,0.5137482356752254
1986-04-01,0.5164056474828383
1986-07-01,0.5176568216966542
1986-10-01,0.5243329511992267
1987-01-01,0.5186177337262255
1987-04-01,0.5176624017482641
1987-07-01,0.5142483839911979
1987-10-01,0.5149187592319054
1988-01-01,0.5166789972305336
1988-04-01,0.5190866239085078
1988-07-01,0.5198672140286859
1988-10-01,0.5202680462311433
1989-01-01,0.5208302852962692
1989-04-01,0.5210274234389184
1989-07-01,0.5204761371868797
1989-10-01,0.5273387039951147
1990-01-01,0.5270490571273312
1990-04-01,0.5316205306314906
1990-07-01,0.5322122909512043
1990-10-01,0.537068292458896
1991-01-01,0.5419764613664396
1991-04-01,0.5397592834377655
1991-07-01,0.5426761786389253
1991-10-01,0.5449204489497903
1992-01-01,0.543875561965499
1992-04-01,0.5445026471016196
1992-07-01,0.5417565058337721
1992-10-01,0.5399569935050293
1993-01-01,0.5381441838158354
1993-04-01,0.5310346678115273
1993-07-01,0.5301066036679342
1993-10-01,0.5246188558294499
1994-01-01,0.5179691868049947
1994-04-01,0.5189036061557308
1994-07-01,0.5121730703910168
1994-10-01,0.5100519494615116
1995-01-01,0.5059929220895856
1995-04-01,0.5059889775787351
1995-07-01,0.5083027602235839
1995-10-01,0.5052957129942428
1996-01-01,0.5040084907984762
1996-04-01,0.501739937906259
1996-07-01,0.5007310212088685
1996-10-01,0.5020508613617719
1997-01-01,0.49906924377739004
1997-04-01,0.503128710757695
1997-07-01,0.5068926672540227
1997-10-01,0.5034308101906968
1998-01-01,0.5047870132204594
1998-04-01,0.5116572499069729
1998-07-01,0.5145749367325897
1998-10-01,0.5143975433562386
1999-01-01,0.5064558467659243
1999-04-01,0.5051681198022072
1999-07-01,0.5003309481566776
1999-10-01,0.5008434295111951
2000-01-01,0.4988843081776286
2000-04-01,0.501036883963589
2000-07-01,0.49809586295918584
2000-10-01,0.4983581667961302
2001-01-01,0.4962519262142542
2001-04-01,0.4973995107818816
2001-07-01,0.5054530893814915
2001-10-01,0.5098470504599748
2002-01-01,0.5061658496167921
2002-04-01,0.4995362140903219
2002-07-01,0.4984021844563441
2002-10-01,0.4971894625234483
2003-01-01,0.4914853994278803
2003-04-01,0.4981094270109556
2003-07-01,0.49459268725323774
2003-10-01,0.49617090009773085
2004-01-01,0.49570750553920023
2004-04-01,0.4924421073555056
2004-07-01,0.49024476869802
2004-10-01,0.48855663165286595
2005-01-01,0.49005595787655654
2005-04-01,0.49124040445610484
2005-07-01,0.48669442836146615
2005-10-01,0.48344534909992676
2006-01-01,0.4879078590785908
2006-04-01,0.491790522138355
2006-07-01,0.49467884348570307
2006-10-01,0.4986387318420559
2007-01-01,0.49721704466430033
2007-04-01,0.4959850616385008
2007-07-01,0.4976691390982956
2007-10-01,0.4967105181152104
2008-01-01,0.4952507060421573
2008-04-01,0.4888998049417925
2008-07-01,0.4863677566166542
2008-10-01,0.5088467040745984
2009-01-01,0.5224166983468103
2009-04-01,0.5221609725099581
2009-07-01,0.5163643135764233
2009-10-01,0.5066650451823301
2010-01-01,0.5001240851759576
2010-04-01,0.5029517795359415
2010-07-01,0.505585538846576
2010-10-01,0.5024977256004532
2011-01-01,0.5014315700318536
2011-04-01,0.49873966674470355
2011-07-01,0.496296229927179
2011-10-01,0.49470292933193577
2012-01-01,0.49946890563709284
2012-04-01,0.5051017491082934
2012-07-01,0.5081840409562578
2012-10-01,0.5086504589862391
2013-01-01,0.5059813175735437
2013-04-01,0.5062589049460615
2013-07-01,0.5040775391282705
2013-10-01,0.504857422493332
2014-01-01,0.5009157341254077
2014-04-01,0.49975960619672866
2014-07-01,0.4998053423590917
2014-10-01,0.5015531712897677
2015-01-01,0.514787078566749
2015-04-01,0.5175886181810854
2015-07-01,0.514067922657412
2015-10-01,0.5171212242930592
2016-01-01,0.5108215490237288
2016-04-01,0.5108583164514982
2016-07-01,0.5044403612030932
2016-10-01,0.501189653403338
2017-01-01,0.49646955237984997
2017-04-01,0.49711270316710643
2017-07-01,0.5036493487574658
2017-10-01,0.5019781532716034
2018-01-01,0.5047873468329929
2018-04-01,0.5004669501104431
2018-07-01,0.5002355074388477
2018-10-01,0.5108637528547643
2019-01-01,0.5075736740781485
2019-04-01,0.5046802843454348
2019-07-01,0.5088827613288577
2019-10-01,0.5099447532618723
2020-01-01,0.5181012720190767
2020-04-01,0.5385915794778792
2020-07-01,0.520582385630167
2020-10-01,0.5160922872646114
2021-01-01,0.5063757820635785
2021-04-01,0.5014405052057543
2021-07-01,0.5010033924965591
2021-10-01,0.4941373332872278
2022-01-01,0.4885450565907324
2022-04-01,0.4762873479617594
2022-07-01,0.48257240496934317
2022-10-01,0.48984701358342325
2023-01-01,0.49526923927389793
2023-04-01,0.5027487053693105
2023-07-01,0.4984481249399532
2023-10-01,0.5000397942372639
2024-01-01,0.5041662440042315
2024-04-01,0.504200189840552
2024-07-01,0.5056876450327134
2024-10-01,0.5035921403515841
2025-01-01,0.5004906260040466
2025-04-01,0.5042145450695366
2025-07-01,0.5018768768768769
2025-10-01,0.5016702287659305
2026-01-01,0.5008081737916149
2026-04-01,0.49201214758619083