date,value
1947-01-01,0.007028178513266767
1947-04-01,0.006765107656280492
1947-07-01,0.0070917723420878655
1947-10-01,0.006733527113130185
1948-01-01,0.0068901415658796875
1948-04-01,0.006453459149493518
1948-07-01,0.006225017550394704
1948-10-01,0.006808956863528388
1949-01-01,0.0065773686162438096
1949-04-01,0.0060217209444593895
1949-07-01,0.005657978152289026
1949-10-01,0.0056350622812949185
1950-01-01,0.005722363866850884
1950-04-01,0.006274471990440213
1950-07-01,0.006094375196736685
1950-10-01,0.006426104486708654
1951-01-01,0.005889880952380953
1951-04-01,0.006120491731814351
1951-07-01,0.00640607880245315
1951-10-01,0.006347949620695271
1952-01-01,0.0066672225001389585
1952-04-01,0.00731518156385896
1952-07-01,0.006094625796503137
1952-10-01,0.006404735144900896
1953-01-01,0.006765812670756224
1953-04-01,0.0068436677566503035
1953-07-01,0.0071861155351495894
1953-10-01,0.006598958468274736
1954-01-01,0.006376104529707145
1954-04-01,0.006083585197386312
1954-07-01,0.006143285353302848
1954-10-01,0.006224139052469893
1955-01-01,0.005800427527337783
1955-04-01,0.006213051440934497
1955-07-01,0.007031269975198793
1955-10-01,0.007394324307010882
1956-01-01,0.007101826963747255
1956-04-01,0.007600726441111186
1956-07-01,0.007606534704814591
1956-10-01,0.007548923583436671
1957-01-01,0.007756838854014334
1957-04-01,0.008406334410253695
1957-07-01,0.008936578447934263
1957-10-01,0.00848874625155834
1958-01-01,0.007905205971681567
1958-04-01,0.00736263130908644
1958-07-01,0.00733573329546086
1958-10-01,0.007388575832490916
1959-01-01,0.00735210550036251
1959-04-01,0.0073299110499700565
1959-07-01,0.007521417660570553
1959-10-01,0.008253878168747635
1960-01-01,0.008322153587592694
1960-04-01,0.00890995786205367
1960-07-01,0.00855565575032441
1960-10-01,0.009191091398138087
1961-01-01,0.008577698351247115
1961-04-01,0.009318777056764078
1961-07-01,0.00913744750415739
1961-10-01,0.009192024966759213
1962-01-01,0.009540195248252142
1962-04-01,0.009197722722472625
1962-07-01,0.008750022576995765
1962-10-01,0.00885869210165284
1963-01-01,0.009204210580499042
1963-04-01,0.009619659802588956
1963-07-01,0.009757248108446972
1963-10-01,0.009652291195801438
1964-01-01,0.009923531923406517
1964-04-01,0.00993849771760816
1964-07-01,0.00966719698973023
1964-10-01,0.010342468798354843
1965-01-01,0.010125524178380864
1965-04-01,0.010443842775383428
1965-07-01,0.010769721468578972
1965-10-01,0.010876366995440865
1966-01-01,0.011258787484259814
1966-04-01,0.011830092884179876
1966-07-01,0.012057762085213227
1966-10-01,0.012293262226659721
1967-01-01,0.011791463804683893
1967-04-01,0.011829447703899843
1967-07-01,0.011445471913345885
1967-10-01,0.011925952902015908
1968-01-01,0.011683694620662051
1968-04-01,0.011158631082342264
1968-07-01,0.011242868035653247
1968-10-01,0.010994493972294248
1969-01-01,0.011592239089050342
1969-04-01,0.012380329428554441
1969-07-01,0.012953951430934916
1969-10-01,0.013426807571567419
1970-01-01,0.013732876712328767
1970-04-01,0.013699027989225905
1970-07-01,0.012884198740584076
1970-10-01,0.01305796025750316
1971-01-01,0.012269679233515043
1971-04-01,0.012935548846247983
1971-07-01,0.012859235357802451
1971-10-01,0.013166461815832519
1972-01-01,0.01334948793646073
1972-04-01,0.012877763116437627
1972-07-01,0.01290751499729576
1972-10-01,0.013025019113495032
1973-01-01,0.013494108850154993
1973-04-01,0.013863908501881694
1973-07-01,0.013993212622346459
1973-10-01,0.014349493899907133
1974-01-01,0.014462761423784325
1974-04-01,0.014335423017196756
1974-07-01,0.015309360228611573
1974-10-01,0.01556187210059018
1975-01-01,0.015024911578129293
1975-04-01,0.014303330865397828
1975-07-01,0.013730100244470179
1975-10-01,0.013416723851493137
1976-01-01,0.01351616353206587
1976-04-01,0.014319787165583705
1976-07-01,0.015015175785743138
1976-10-01,0.015814210300200644
1977-01-01,0.015776044830457678
1977-04-01,0.016097015967146404
1977-07-01,0.01613473478302532
1977-10-01,0.016682761392987012
1978-01-01,0.017237011748896837
1978-04-01,0.017873739134760917
1978-07-01,0.018306901767935823
1978-10-01,0.018521980064991245
1979-01-01,0.019033012613739356
1979-04-01,0.018834947035153347
1979-07-01,0.019120058930147905
1979-10-01,0.019639610071357692
1980-01-01,0.020166016570114007
1980-04-01,0.020446836865721584
1980-07-01,0.021220850955528177
1980-10-01,0.02065443734619704
1981-01-01,0.020943881421391548
1981-04-01,0.021494486063698328
1981-07-01,0.02173949713075073
1981-10-01,0.022610519693564226
1982-01-01,0.023359482417932127
1982-04-01,0.02202719590680834
1982-07-01,0.022032354599470876
1982-10-01,0.021402996154955046
1983-01-01,0.022249585638102927
1983-04-01,0.02280119189191606
1983-07-01,0.02284654661646941
1983-10-01,0.02412940554551525
1984-01-01,0.0238794039181649
1984-04-01,0.024829153823535063
1984-07-01,0.025287384464712005
1984-10-01,0.026166485599429773
1985-01-01,0.02502264685468757
1985-04-01,0.025064920217924246
1985-07-01,0.023897293067136137
1985-10-01,0.024305066454489935
1986-01-01,0.024012321496468196
1986-04-01,0.024415995283081134
1986-07-01,0.023974161338412115
1986-10-01,0.02467007340862632
1987-01-01,0.023361574670553026
1987-04-01,0.023001106912795246
1987-07-01,0.023344808278338555
1987-10-01,0.022738845134399124
1988-01-01,0.023046604901040175
1988-04-01,0.023298104290606077
1988-07-01,0.023084006977314265
1988-10-01,0.022822815926411087
1989-01-01,0.022940336798183646
1989-04-01,0.02334625635839381
1989-07-01,0.023377430594878467
1989-10-01,0.023014015256374497
1990-01-01,0.022495781753574716
1990-04-01,0.021675065956065977
1990-07-01,0.021216714690124015
1990-10-01,0.021541007735064992
1991-01-01,0.020815790354484987
1991-04-01,0.020854721389187484
1991-07-01,0.02102422245021179
1991-10-01,0.021220871763928395
1992-01-01,0.021138903635365264
1992-04-01,0.021694195877673156
1992-07-01,0.022427752636393555
1992-10-01,0.021869526761977565
1993-01-01,0.02211812271982042
1993-04-01,0.02198198573962845
1993-07-01,0.022820076087262928
1993-10-01,0.022491002657926487
1994-01-01,0.02276347972048099
1994-04-01,0.022728931736758638
1994-07-01,0.022860630944302164
1994-10-01,0.02327931529942237
1995-01-01,0.024099180448929843
1995-04-01,0.024949225016181905
1995-07-01,0.024461530952574636
1995-10-01,0.025102198933533833
1996-01-01,0.025476496822507255
1996-04-01,0.025170549892690505
1996-07-01,0.025545391400849642
1996-10-01,0.025218495767013394
1997-01-01,0.02534290844235473
1997-04-01,0.025669737317059568
1997-07-01,0.026605761193550875
1997-10-01,0.026247939888022997
1998-01-01,0.02690718300836409
1998-04-01,0.026787966909480463
1998-07-01,0.02604653804251835
1998-10-01,0.026253307109938024
1999-01-01,0.02664635290482615
1999-04-01,0.02751818404171229
1999-07-01,0.02747592402142913
1999-10-01,0.026257632571726804
2000-01-01,0.027939511980339487
2000-04-01,0.028640907440874656
2000-07-01,0.02891783568105375
2000-10-01,0.029115604982260967
2001-01-01,0.027825078548887792
2001-04-01,0.02544730634965563
2001-07-01,0.02394107578585434
2001-10-01,0.023351514216312326
2002-01-01,0.022421106319840498
2002-04-01,0.021835671497300566
2002-07-01,0.021651778398476335
2002-10-01,0.020757165911505317
2003-01-01,0.02091697706371566
2003-04-01,0.020853255516820553
2003-07-01,0.02126498130101242
2003-10-01,0.021668359633354214
2004-01-01,0.02110530620885051
2004-04-01,0.021174764082502705
2004-07-01,0.020863274683029034
2004-10-01,0.020623819470155135
2005-01-01,0.020531614941499705
2005-04-01,0.020393021372696135
2005-07-01,0.0205611626642497
2005-10-01,0.02041150075456665
2006-01-01,0.02108372870089035
2006-04-01,0.020716659356971763
2006-07-01,0.021024516754927905
2006-10-01,0.020705064831091573
2007-01-01,0.021607944651989557
2007-04-01,0.021397739576819518
2007-07-01,0.021234792332415348
2007-10-01,0.02167745448234047
2008-01-01,0.02153647581776214
2008-04-01,0.021279184883376843
2008-07-01,0.02065789788965017
2008-10-01,0.019463645406497126
2009-01-01,0.01874983282403276
2009-04-01,0.018510230970411722
2009-07-01,0.01918466771339125
2009-10-01,0.019689174622586784
2010-01-01,0.020201414056991687
2010-04-01,0.020378175367967558
2010-07-01,0.020618287081417448
2010-10-01,0.02053146959849829
2011-01-01,0.020040845658337896
2011-04-01,0.020186483222057166
2011-07-01,0.020226960162784514
2011-10-01,0.01988516915422226
2012-01-01,0.02059798472879595
2012-04-01,0.020582565126489198
2012-07-01,0.01996949546558938
2012-10-01,0.020369699457730032
2013-01-01,0.020811873291443295
2013-04-01,0.02046185692875956
2013-07-01,0.02032654788844862
2013-10-01,0.020106015471481272
2014-01-01,0.020055893397143275
2014-04-01,0.020276213019967224
2014-07-01,0.019738850794316948
2014-10-01,0.01993671421391118
2015-01-01,0.019764963977969088
2015-04-01,0.01974312169115346
2015-07-01,0.019877210850823727
2015-10-01,0.019814390313454142
2016-01-01,0.019678199203246604
2016-04-01,0.01946193884447283
2016-07-01,0.019300850452919786
2016-10-01,0.01925117626927518
2017-01-01,0.01929301760303534
2017-04-01,0.01977509438287436
2017-07-01,0.019696083730965878
2017-10-01,0.01994351674255261
2018-01-01,0.02004653257907732
2018-04-01,0.01970413167307649
2018-07-01,0.0196611043078111
2018-10-01,0.01933906549840861
2019-01-01,0.019378209136209478
2019-04-01,0.019305505044458025
2019-07-01,0.0185844187532529
2019-10-01,0.01803962455667128
2020-01-01,0.017356207494948102
2020-04-01,0.01939314343096811
2020-07-01,0.01904260405372413
2020-10-01,0.01914542204611186
2021-01-01,0.019178934711611938
2021-04-01,0.018734427695480543
2021-07-01,0.018158457965725346
2021-10-01,0.01864345396381368
2022-01-01,0.019043157258323756
2022-04-01,0.018509237552249567
2022-07-01,0.018548815748734005
2022-10-01,0.017740641082579868
2023-01-01,0.0175515601651934
2023-04-01,0.01725674781201736
2023-07-01,0.01699018159614413
2023-10-01,0.017296012767709847
2024-01-01,0.01700575667351354
2024-04-01,0.017220251767833053
2024-07-01,0.018015502841966735
2024-10-01,0.017724688962935362
2025-01-01,0.019790780047937856
2025-04-01,0.02057291610553698
2025-07-01,0.021272402588374727
2025-10-01,0.022885990421047924
2026-01-01,0.024933998874327977
2026-04-01,0.025686184608741877