date,value
1945-10-01,0.16689185838952797
1946-10-01,0.17854912037952164
1947-10-01,0.20967478113687923
1948-10-01,0.22115652562123406
1949-10-01,0.22874613940924393
1950-10-01,0.23740407842735567
1951-10-01,0.24126293234380258
1952-01-01,0.24012089727580807
1952-04-01,0.2442142188041483
1952-07-01,0.24293816217609668
1952-10-01,0.25023462181056305
1953-01-01,0.2523809912189711
1953-04-01,0.25703531257980583
1953-07-01,0.261681804966749
1953-10-01,0.2567387622375403
1954-01-01,0.25369955602488986
1954-04-01,0.25287725863142646
1954-07-01,0.2531534694127952
1954-10-01,0.25575638668365425
1955-01-01,0.2552944105977855
1955-04-01,0.25625172766878596
1955-07-01,0.2570008333233149
1955-10-01,0.2589220011269239
1956-01-01,0.2580346111943472
1956-04-01,0.2618556090283197
1956-07-01,0.2636109558412521
1956-10-01,0.26057365918899283
1957-01-01,0.2631219908347352
1957-04-01,0.2619720901075239
1957-07-01,0.26645446949760426
1957-10-01,0.26556800171162015
1958-01-01,0.25887310477843145
1958-04-01,0.25824847982325716
1958-07-01,0.2560885967908941
1958-10-01,0.2570367478659171
1959-01-01,0.2542418881790536
1959-04-01,0.2559624479889923
1959-07-01,0.259051844364516
1959-10-01,0.2585050400512704
1960-01-01,0.2638177760273073
1960-04-01,0.2637428162079165
1960-07-01,0.2676368222387195
1960-10-01,0.26172167185962336
1961-01-01,0.2546704112984515
1961-04-01,0.25718152689035
1961-07-01,0.25742127451701446
1961-10-01,0.2551655746414025
1962-01-01,0.2573605752112877
1962-04-01,0.27104710435210844
1962-07-01,0.268488845383334
1962-10-01,0.2600166709385049
1963-01-01,0.25944454840438463
1963-04-01,0.25659466196953706
1963-07-01,0.2564724413077541
1963-10-01,0.25920985408307207
1964-01-01,0.2550650902133198
1964-04-01,0.25580819620668144
1964-07-01,0.25362752138887157
1964-10-01,0.2541430169449393
1965-01-01,0.25259226063837814
1965-04-01,0.25491878273603075
1965-07-01,0.24982098942957254
1965-10-01,0.2481289284306661
1966-01-01,0.24737513593426824
1966-04-01,0.25513706813907266
1966-07-01,0.2586764564907883
1966-10-01,0.2577728352688625
1967-01-01,0.2501076533300487
1967-04-01,0.24984073068992682
1967-07-01,0.24666854790730028
1967-10-01,0.2476401225009806
1968-01-01,0.25309625886259224
1968-04-01,0.24823241852054284
1968-07-01,0.24774891434004415
1968-10-01,0.24721543776144567
1969-01-01,0.2526743227443414
1969-04-01,0.2573555700725432
1969-07-01,0.25901698654917465
1969-10-01,0.26442466097075146
1970-01-01,0.26368585559281266
1970-04-01,0.27740475891221084
1970-07-01,0.26781809544807256
1970-10-01,0.26444948188533274
1971-01-01,0.2602473551122539
1971-04-01,0.26201143037613345
1971-07-01,0.26436454141680343
1971-10-01,0.26250816163351387
1972-01-01,0.26279525240261914
1972-04-01,0.26374977468087624
1972-07-01,0.26518140489555475
1972-10-01,0.263809165824043
1973-01-01,0.26883434894534475
1973-04-01,0.2762301902454391
1973-07-01,0.27815794872991656
1973-10-01,0.28860067772455283
1974-01-01,0.28474716861364535
1974-04-01,0.2856642196175442
1974-07-01,0.29067795224382015
1974-10-01,0.2910913200969578
1975-01-01,0.2894915739055258
1975-04-01,0.2880584373595475
1975-07-01,0.28822615894719644
1975-10-01,0.28730739410460704
1976-01-01,0.28336247064619846
1976-04-01,0.2868156620100013
1976-07-01,0.28733138230330607
1976-10-01,0.2883044122870026
1977-01-01,0.29374510169414136
1977-04-01,0.3004534748109005
1977-07-01,0.3055128098964443
1977-10-01,0.3111017819981384
1978-01-01,0.31378457610438154
1978-04-01,0.3175736319520822
1978-07-01,0.31932031183012577
1978-10-01,0.32409385818668907
1979-01-01,0.3268192326485191
1979-04-01,0.3312699852853567
1979-07-01,0.3326614867084235
1979-10-01,0.33280688350020804
1980-01-01,0.33776681016780424
1980-04-01,0.3347248080809672
1980-07-01,0.33417167812063575
1980-10-01,0.32971776507328415
1981-01-01,0.3277080467349576
1981-04-01,0.335498806221154
1981-07-01,0.341972178962573
1981-10-01,0.3379601511249254
1982-01-01,0.34223139345366
1982-04-01,0.3408923451719382
1982-07-01,0.3356309126358305
1982-10-01,0.33030178895669193
1983-01-01,0.3256734562908756
1983-04-01,0.3221970949175595
1983-07-01,0.3225241305795391
1983-10-01,0.32430543457633243
1984-01-01,0.33176986659951346
1984-04-01,0.3370870830746409
1984-07-01,0.3393660710495667
1984-10-01,0.3418306167916117
1985-01-01,0.3421797800044551
1985-04-01,0.34586730343862926
1985-07-01,0.35336784278012207
1985-10-01,0.35352767386700057
1986-01-01,0.34945798073312245
1986-04-01,0.35061841355775963
1986-07-01,0.35606174523685763
1986-10-01,0.3523932739724144
1987-01-01,0.3480723017988785
1987-04-01,0.3510181728362396
1987-07-01,0.3511902299407209
1987-10-01,0.3579535107571274
1988-01-01,0.3565703338020069
1988-04-01,0.3588453747293597
1988-07-01,0.36001441629354125
1988-10-01,0.35720133370458884
1989-01-01,0.35583195519586863
1989-04-01,0.35550137815776117
1989-07-01,0.35618051288933567
1989-10-01,0.35484729889006705
1990-01-01,0.3545331341629696
1990-04-01,0.3527793927528295
1990-07-01,0.3584485557657074
1990-10-01,0.35060605629044844
1991-01-01,0.3430194448528701
1991-04-01,0.34404056100607827
1991-07-01,0.34110065484001156
1991-10-01,0.3349357551355225
1992-01-01,0.337057906246036
1992-04-01,0.3373729303786439
1992-07-01,0.336017969939474
1992-10-01,0.33103401105418306
1993-01-01,0.32737712196948604
1993-04-01,0.32807025208006907
1993-07-01,0.3270329909755999
1993-10-01,0.32577339818512796
1994-01-01,0.32716510673151167
1994-04-01,0.32902132193133754
1994-07-01,0.32847594336449243
1994-10-01,0.32863306153518534
1995-01-01,0.3241255982216897
1995-04-01,0.3207290462475513
1995-07-01,0.3128293893210656
1995-10-01,0.3082542673701907
1996-01-01,0.3062217573235422
1996-04-01,0.305104880215419
1996-07-01,0.30541128947811397
1996-10-01,0.3023577309244504
1997-01-01,0.3034012927403283
1997-04-01,0.29514439709539214
1997-07-01,0.29064615427802204
1997-10-01,0.2909548046016098
1998-01-01,0.2833357189659189
1998-04-01,0.2854313868398584
1998-07-01,0.2970132598382564
1998-10-01,0.28758134985493566
1999-01-01,0.28960732125014776
1999-04-01,0.2886356221770519
1999-07-01,0.2975634638788176
1999-10-01,0.2862364606604395
2000-01-01,0.2874096991967993
2000-04-01,0.29871967930182913
2000-07-01,0.30519171290244895
2000-10-01,0.3185827553313645
2001-01-01,0.3357665854425538
2001-04-01,0.33537051187464384
2001-07-01,0.3522260630045465
2001-10-01,0.34733322806480893
2002-01-01,0.35134539336198306
2002-04-01,0.3635151985447074
2002-07-01,0.3811775990035587
2002-10-01,0.38253503655171384
2003-01-01,0.3897213294762725
2003-04-01,0.38296127165162586
2003-07-01,0.3839143823515801
2003-10-01,0.3786238901936089
2004-01-01,0.37550193347676974
2004-04-01,0.3822671413775356
2004-07-01,0.3885667065329851
2004-10-01,0.38593400943618905
2005-01-01,0.39244987752223154
2005-04-01,0.39487989370757126
2005-07-01,0.39813798527104055
2005-10-01,0.4010187868194803
2006-01-01,0.3909823968190625
2006-04-01,0.39644743866730286
2006-07-01,0.39493639442966144
2006-10-01,0.3884838020393702
2007-01-01,0.3806452923216051
2007-04-01,0.3764149342153031
2007-07-01,0.3701325104845514
2007-10-01,0.36948364144544765
2008-01-01,0.3689069251115842
2008-04-01,0.3668751588161009
2008-07-01,0.37127653181083886
2008-10-01,0.3802062012504902
2009-01-01,0.38111928616966034
2009-04-01,0.36619553934541027
2009-07-01,0.3499557441989938
2009-10-01,0.34387809404626735
2010-01-01,0.33620053842174324
2010-04-01,0.3397149428110333
2010-07-01,0.3265154379806691
2010-10-01,0.31454241653240933
2011-01-01,0.30503336767749567
2011-04-01,0.3011525373610631
2011-07-01,0.30826241018026124
2011-10-01,0.300668169374512
2012-01-01,0.2891639714880346
2012-04-01,0.29140183198842406
2012-07-01,0.28761910525338485
2012-10-01,0.28805214834137827
2013-01-01,0.28240933322000256
2013-04-01,0.2858422395869665
2013-07-01,0.2847910489851721
2013-10-01,0.2818225386832446
2014-01-01,0.2793209612519849
2014-04-01,0.2782548050329558
2014-07-01,0.2812656130325875
2014-10-01,0.2801720262102872
2015-01-01,0.2799742442207283
2015-04-01,0.2831314814874599
2015-07-01,0.29151257219047527
2015-10-01,0.29013608126913965
2016-01-01,0.2890549737433848
2016-04-01,0.2904236537839334
2016-07-01,0.2914550639506829
2016-10-01,0.29378893041654147
2017-01-01,0.2904019623113908
2017-04-01,0.29134751584080315
2017-07-01,0.2910885037199754
2017-10-01,0.2882648046212675
2018-01-01,0.2916354044358496
2018-04-01,0.2920773312865761
2018-07-01,0.29081864301670185
2018-10-01,0.2988556955137142
2019-01-01,0.2851832143154607
2019-04-01,0.28857396833237475
2019-07-01,0.28775702890539995
2019-10-01,0.2789974499035774
2020-01-01,0.3032243184542261
2020-04-01,0.28784046327872403
2020-07-01,0.28609625057676286
2020-10-01,0.2766421239226464
2021-01-01,0.2773120411928382
2021-04-01,0.28427821056149316
2021-07-01,0.29097612791201255
2021-10-01,0.28774697195593013
2022-01-01,0.30477792447301544
2022-04-01,0.33290205693601727
2022-07-01,0.3321395751510409
2022-10-01,0.3228400847470166
2023-01-01,0.31651086086102054
2023-04-01,0.32142618451088634
2023-07-01,0.32666812685255636
2023-10-01,0.313749679972776
2024-01-01,0.30957653529113854
2024-04-01,0.3147326548448344
2024-07-01,0.30530256879527135
2024-10-01,0.30200922217919934
2025-01-01,0.30501800082111297
2025-04-01,0.2999430944461292
2025-07-01,0.29019440968766774
2025-10-01,0.2853682199807897
2026-01-01,0.2891997642219659
2026-04-01,0.27606989365054757