date,value
1947-10-01,0.794552349419623
1948-10-01,0.8180699514206431
1949-10-01,0.9124403699556954
1950-10-01,0.8692931597618341
1951-10-01,0.8674398755678341
1952-01-01,0.866838975043077
1952-04-01,0.8939811096030802
1952-07-01,0.881648404546085
1952-10-01,0.8794234425385754
1953-01-01,0.8773313057374091
1953-04-01,0.8863787782483171
1953-07-01,0.9134930759182046
1953-10-01,0.9221416172241366
1954-01-01,0.927701150916711
1954-04-01,0.9370482309949472
1954-07-01,0.9498434766596079
1954-10-01,0.949629003287186
1955-01-01,0.9307483180938962
1955-04-01,0.9368399077650096
1955-07-01,0.9440938494401715
1955-10-01,0.9482831989604019
1956-01-01,0.9646204854620622
1956-04-01,0.9712024394071882
1956-07-01,0.9772934300551208
1956-10-01,0.9680973281240838
1957-01-01,0.9655518871639643
1957-04-01,0.977401620676871
1957-07-01,0.9776887943439905
1957-10-01,0.9932822871390546
1958-01-01,1.0018971638790264
1958-04-01,1.0050235392327609
1958-07-01,0.9967499655237001
1958-10-01,0.9885177808249342
1959-01-01,0.9673701330511629
1959-04-01,0.964553920096125
1959-07-01,0.978218553465109
1959-10-01,0.9866515323496027
1960-01-01,0.9850344975011425
1960-04-01,0.9964977452502403
1960-07-01,1.0003922258634468
1960-10-01,1.0136838968006117
1961-01-01,1.0017650793184811
1961-04-01,1.0025290480519131
1961-07-01,0.9988479100312861
1961-10-01,0.9926904714335908
1962-01-01,0.9844212163706855
1962-04-01,0.9827521878320892
1962-07-01,0.9768368233263878
1962-10-01,0.9858300124126217
1963-01-01,0.983520248619851
1963-04-01,0.973165627104003
1963-07-01,0.9671996325514708
1963-10-01,0.9612868498236836
1964-01-01,0.9409574483967382
1964-04-01,0.948539357629731
1964-07-01,0.9389955074266905
1964-10-01,0.9500658952358965
1965-01-01,0.9328828766073644
1965-04-01,0.9245430305221511
1965-07-01,0.9088684052137731
1965-10-01,0.9020919678126907
1966-01-01,0.8747634259689795
1966-04-01,0.9019045170010225
1966-07-01,0.8888924134800973
1966-10-01,0.898755793217825
1967-01-01,0.8923794970207423
1967-04-01,0.8984455519132892
1967-07-01,0.8951149574738828
1967-10-01,0.9010504413805153
1968-01-01,0.8992354190240239
1968-04-01,0.8948759771561652
1968-07-01,0.8934125627744327
1968-10-01,0.9189849488135698
1969-01-01,0.9207167356093652
1969-04-01,0.9245416344571962
1969-07-01,0.9175314285270441
1969-10-01,0.9330798046904727
1970-01-01,0.9261263318112634
1970-04-01,0.9429113479330132
1970-07-01,0.9260942545478653
1970-10-01,0.9417568123695582
1971-01-01,0.9266840857115675
1971-04-01,0.9327380864866455
1971-07-01,0.9376423886046661
1971-10-01,0.9474433691759283
1972-01-01,0.9517677832682844
1972-04-01,0.9416757674895706
1972-07-01,0.9550336828957217
1972-10-01,0.9712326849795019
1973-01-01,0.9602356459938003
1973-04-01,0.9687471488174091
1973-07-01,0.9975213378359341
1973-10-01,0.9975228427496243
1974-01-01,0.980671388115281
1974-04-01,0.955183993265606
1974-07-01,0.9457573143011718
1974-10-01,0.9487503430375719
1975-01-01,0.9794210316586185
1975-04-01,0.9940515287982647
1975-07-01,0.9605315179375608
1975-10-01,0.9559407230318913
1976-01-01,0.9436672714498923
1976-04-01,0.9662614477318321
1976-07-01,0.9681976382385274
1976-10-01,0.9719543208223451
1977-01-01,0.9802428584646453
1977-04-01,0.995943886621441
1977-07-01,1.003131972888019
1977-10-01,1.021732038978501
1978-01-01,1.0379664602589478
1978-04-01,1.025998516919258
1978-07-01,1.0371319549087223
1978-10-01,1.040599140313345
1979-01-01,1.0703021044007583
1979-04-01,1.0931335376365126
1979-07-01,1.101017219824072
1979-10-01,1.1109129870849814
1980-01-01,1.1264082338713088
1980-04-01,1.1544049515398849
1980-07-01,1.1741809770966605
1980-10-01,1.1434121003216484
1981-01-01,1.1071312199003525
1981-04-01,1.1500946077383565
1981-07-01,1.1480333888546588
1981-10-01,1.1594215223154714
1982-01-01,1.1922818970272138
1982-04-01,1.1810936586501928
1982-07-01,1.1729852343299303
1982-10-01,1.172540330650942
1983-01-01,1.165325286684883
1983-04-01,1.1456463085328017
1983-07-01,1.1262183266249755
1983-10-01,1.1091834255407402
1984-01-01,1.1239425043768585
1984-04-01,1.1325568304676699
1984-07-01,1.147073024423089
1984-10-01,1.161020317696468
1985-01-01,1.1725735242666486
1985-04-01,1.194345043303817
1985-07-01,1.2114504215285358
1985-10-01,1.2355935765535113
1986-01-01,1.2433508862453286
1986-04-01,1.2666057984661214
1986-07-01,1.2826960877615126
1986-10-01,1.2986636757301517
1987-01-01,1.3115079213816738
1987-04-01,1.3205265742297385
1987-07-01,1.3295166089848514
1987-10-01,1.317613799058066
1988-01-01,1.3310029305952726
1988-04-01,1.3389962998329876
1988-07-01,1.3413756060902906
1988-10-01,1.3347698837060926
1989-01-01,1.3304388312421878
1989-04-01,1.3323615674615585
1989-07-01,1.3495219358197412
1989-10-01,1.3567425529867656
1990-01-01,1.329098654945995
1990-04-01,1.3192422921503053
1990-07-01,1.3202694677874875
1990-10-01,1.3201559503145268
1991-01-01,1.3139060687191
1991-04-01,1.3032557286258448
1991-07-01,1.2940501974157972
1991-10-01,1.289736995852848
1992-01-01,1.2786623568190485
1992-04-01,1.264090803511116
1992-07-01,1.260602642964645
1992-10-01,1.2503937026731666
1993-01-01,1.243671742409011
1993-04-01,1.245210156824727
1993-07-01,1.2492818323714658
1993-10-01,1.2421479102869255
1994-01-01,1.2365613158147701
1994-04-01,1.230721942847255
1994-07-01,1.232103750132143
1994-10-01,1.222110534160451
1995-01-01,1.2189112914965112
1995-04-01,1.2223026865727555
1995-07-01,1.1950639876352396
1995-10-01,1.1924063625671044
1996-01-01,1.1916863613094697
1996-04-01,1.1816392458955987
1996-07-01,1.1807962409462174
1996-10-01,1.17712028578032
1997-01-01,1.1786317861970868
1997-04-01,1.1737239584097572
1997-07-01,1.1712958928053823
1997-10-01,1.179887489109798
1998-01-01,1.1881469309128314
1998-04-01,1.2060104803962763
1998-07-01,1.2124707148712486
1998-10-01,1.216362916641516
1999-01-01,1.2189575678396272
1999-04-01,1.2347473969186067
1999-07-01,1.2511140618002594
1999-10-01,1.250618550046974
2000-01-01,1.273166177090012
2000-04-01,1.2933561806919003
2000-07-01,1.3312265310740814
2000-10-01,1.3570976827334973
2001-01-01,1.4196184401280163
2001-04-01,1.4412466270402868
2001-07-01,1.4788618062619243
2001-10-01,1.498430603167873
2002-01-01,1.5201182361941856
2002-04-01,1.5385598661212074
2002-07-01,1.5609091918820395
2002-10-01,1.5880696470339783
2003-01-01,1.611067404000795
2003-04-01,1.6272898246105332
2003-07-01,1.6259490956298654
2003-10-01,1.636405205672942
2004-01-01,1.6811474064505005
2004-04-01,1.7126467299302433
2004-07-01,1.7534192361068277
2004-10-01,1.7789591524500181
2005-01-01,1.8033720714018626
2005-04-01,1.8398858562821758
2005-07-01,1.875481352988235
2005-10-01,1.905719996481591
2006-01-01,1.8783607222799055
2006-04-01,1.8913233533700406
2006-07-01,1.9007681078295406
2006-10-01,1.8890374769579674
2007-01-01,1.85235125707574
2007-04-01,1.8261080585432024
2007-07-01,1.796854145019571
2007-10-01,1.7554738146461943
2008-01-01,1.698646003566577
2008-04-01,1.6449582835010608
2008-07-01,1.6017932479893449
2008-10-01,1.591076291419434
2009-01-01,1.5655213374742618
2009-04-01,1.5192116310447865
2009-07-01,1.486628307989504
2009-10-01,1.443717938313655
2010-01-01,1.4290829896624428
2010-04-01,1.4108927034518182
2010-07-01,1.38565781029715
2010-10-01,1.3552983596954409
2011-01-01,1.3320470485911167
2011-04-01,1.3056012907954144
2011-07-01,1.2927333636679688
2011-10-01,1.2732502353357562
2012-01-01,1.2427216585178549
2012-04-01,1.2431902901904504
2012-07-01,1.251715412829319
2012-10-01,1.2565123338204705
2013-01-01,1.264497657973489
2013-04-01,1.2943261476528312
2013-07-01,1.3142067890468225
2013-10-01,1.3165959739807174
2014-01-01,1.33095340794237
2014-04-01,1.3365035424249598
2014-07-01,1.3398801677893588
2014-10-01,1.351075383265114
2015-01-01,1.3641725822235513
2015-04-01,1.3769435678233397
2015-07-01,1.392805722711678
2015-10-01,1.4069052483851896
2016-01-01,1.41233529237097
2016-04-01,1.4321858588812497
2016-07-01,1.4516037701244384
2016-10-01,1.4592814674589465
2017-01-01,1.4640481856821788
2017-04-01,1.4895425570601817
2017-07-01,1.493825927969371
2017-10-01,1.4920164546864296
2018-01-01,1.5035711592458156
2018-04-01,1.5048966731892153
2018-07-01,1.5117634586342532
2018-10-01,1.4816252058587045
2019-01-01,1.469881060649122
2019-04-01,1.5053169141811702
2019-07-01,1.4852115406744277
2019-10-01,1.4626513292600898
2020-01-01,1.5218948916838664
2020-04-01,1.6828153773286498
2020-07-01,1.604194663054379
2020-10-01,1.6288837043784716
2021-01-01,1.6572596362419152
2021-04-01,1.7347059954022535
2021-07-01,1.7787329673045917
2021-10-01,1.7503943691362795
2022-01-01,1.8287579425995069
2022-04-01,1.8757498882944619
2022-07-01,1.7932941449777777
2022-10-01,1.7252406493928447
2023-01-01,1.7046030726454064
2023-04-01,1.7807579195483392
2023-07-01,1.7628520021641938
2023-10-01,1.7159296980576306
2024-01-01,1.7319523216443777
2024-04-01,1.7656476093221338
2024-07-01,1.7334728838927802
2024-10-01,1.70251302124402
2025-01-01,1.7054195881549568
2025-04-01,1.7160849951423718
2025-07-01,1.679984662205309
2025-10-01,1.6532452276634013
2026-01-01,1.6593275980767919
2026-04-01,1.6605932248933837