date,value
1959-01-01,1.3716614739482296e-05
1959-04-01,9.566576677068724e-06
1959-07-01,2.095102412415196e-05
1959-10-01,6.053726825576996e-05
1960-01-01,0.00014005395762999219
1960-04-01,0.000219930509351667
1960-07-01,0.0002730918395026429
1960-10-01,0.0003035929484984182
1961-01-01,0.000289898682245357
1961-04-01,0.00028980550630461983
1961-07-01,0.00029242650582034447
1961-10-01,0.0003151846672132164
1962-01-01,0.00031649138991907583
1962-04-01,0.00033479577457750775
1962-07-01,0.0003694417488879803
1962-10-01,0.00044097471744953295
1963-01-01,0.0005163494575917847
1963-04-01,0.0006383465237109212
1963-07-01,0.0007432763746733619
1963-10-01,0.0008120035844376685
1964-01-01,0.0008166348671736671
1964-04-01,0.0008104038168546314
1964-07-01,0.0007788668426703429
1964-10-01,0.0007571857356532663
1965-01-01,0.0008024631159531339
1965-04-01,0.0008614184507889031
1965-07-01,0.0009448528872061848
1965-10-01,0.0010299835332192363
1966-01-01,0.0010971002872819308
1966-04-01,0.0011975437929590885
1966-07-01,0.0012859335462728667
1966-10-01,0.001383652025316152
1967-01-01,0.0013871613537557602
1967-04-01,0.0013887203866272942
1967-07-01,0.0013349005412414924
1967-10-01,0.001342123504859667
1968-01-01,0.001351459829533521
1968-04-01,0.0013752964646853833
1968-07-01,0.0014124576026082612
1968-10-01,0.001460698532070287
1969-01-01,0.001526168863135069
1969-04-01,0.001663990802957325
1969-07-01,0.0018301752696231685
1969-10-01,0.00200356982200016
1970-01-01,0.0021470700152207
1970-04-01,0.0022194636374282704
1970-07-01,0.0021785188465819998
1970-10-01,0.0021054410770451806
1971-01-01,0.00197770174319653
1971-04-01,0.0020254767264767516
1971-07-01,0.002081219351688709
1971-10-01,0.0021860090380804117
1972-01-01,0.0021802213375653845
1972-04-01,0.0021786698821591494
1972-07-01,0.002200584859666224
1972-10-01,0.002130326946114994
1973-01-01,0.002162629129794046
1973-04-01,0.0022137554132685287
1973-07-01,0.0022973306607859466
1973-10-01,0.002355907278317457
1974-01-01,0.0023993953899151626
1974-04-01,0.002414944289620772
1974-07-01,0.0025647008447295112
1974-10-01,0.002734298568650335
1975-01-01,0.002971940133010254
1975-04-01,0.0029221728567856826
1975-07-01,0.0027774853493350176
1975-10-01,0.002690950494116632
1976-01-01,0.002646544578456204
1976-04-01,0.0027468078076716266
1976-07-01,0.0028252510656974236
1976-10-01,0.0028848047819516687
1977-01-01,0.0027425668092090705
1977-04-01,0.0026669468347091233
1977-07-01,0.0025744958750949388
1977-10-01,0.002546817171609827
1978-01-01,0.002599466124316766
1978-04-01,0.002617478822782145
1978-07-01,0.0027222779621160786
1978-10-01,0.002838976498910555
1979-01-01,0.002949406517032704
1979-04-01,0.0030510406765545703
1979-07-01,0.0031305703891001723
1979-10-01,0.0032420628933034204
1980-01-01,0.0032768880818340247
1980-04-01,0.0034117980146938964
1980-07-01,0.0035200629585402745
1980-10-01,0.0035514311064903468
1981-01-01,0.0035487416642820606
1981-04-01,0.003631583806899029
1981-07-01,0.0036919483446190577
1981-10-01,0.003892321975799937
1982-01-01,0.004196008798211038
1982-04-01,0.004242532650334396
1982-07-01,0.004216174210310244
1982-10-01,0.004141292397109119
1983-01-01,0.004268999972073577
1983-04-01,0.0044064458730854175
1983-07-01,0.004612950469467597
1983-10-01,0.004722368478612045
1984-01-01,0.0047916431042150385
1984-04-01,0.004902732216996155
1984-07-01,0.005110362979739242
1984-10-01,0.00534933763620117
1985-01-01,0.0054376090973219035
1985-04-01,0.005527968489042902
1985-07-01,0.005436798302533548
1985-10-01,0.005502358860996189
1986-01-01,0.005491477838653704
1986-04-01,0.0056075013090329875
1986-07-01,0.00560391816339238
1986-10-01,0.005666619503880409
1987-01-01,0.0057827399179527315
1987-04-01,0.005909707541987782
1987-07-01,0.006055618167878138
1987-10-01,0.006128202230274238
1988-01-01,0.006209085397246644
1988-04-01,0.0062729815361589015
1988-07-01,0.006413791079978837
1988-10-01,0.006553003245295082
1989-01-01,0.006771418405215657
1989-04-01,0.007043253559088051
1989-07-01,0.0073484315755004284
1989-10-01,0.007599999791204017
1990-01-01,0.007600591278186988
1990-04-01,0.007643588251598817
1990-07-01,0.007438260542273831
1990-10-01,0.007776365743489344
1991-01-01,0.007970104610004875
1991-04-01,0.007935220346076018
1991-07-01,0.007845712903627606
1991-10-01,0.00788916664272237
1992-01-01,0.007746850514104599
1992-04-01,0.0077463816863637255
1992-07-01,0.007821807222292188
1992-10-01,0.00799829002591455
1993-01-01,0.008233648499827401
1993-04-01,0.008329932167111498
1993-07-01,0.008422141038968059
1993-10-01,0.008365439370561034
1994-01-01,0.008332194997731761
1994-04-01,0.008274675169392396
1994-07-01,0.008298646515006326
1994-10-01,0.008246898040692728
1995-01-01,0.008331639478355591
1995-04-01,0.008501388405773013
1995-07-01,0.008648173757422923
1995-10-01,0.008792697822835283
1996-01-01,0.008956254254322442
1996-04-01,0.009061676816667578
1996-07-01,0.009273916645186172
1996-10-01,0.009615036542780666
1997-01-01,0.010446203986652565
1997-04-01,0.010746669875246879
1997-07-01,0.01106186747668745
1997-10-01,0.011440002728753569
1998-01-01,0.01155949147801608
1998-04-01,0.011795602059779262
1998-07-01,0.012182854759685157
1998-10-01,0.012642254549202812
1999-01-01,0.01321198485031687
1999-04-01,0.014076741957189692
1999-07-01,0.014647308567503278
1999-10-01,0.01477237408775547
2000-01-01,0.015176692998595608
2000-04-01,0.015276080923366369
2000-07-01,0.015237399285628792
2000-10-01,0.015490414483145618
2001-01-01,0.01553251308399977
2001-04-01,0.015065383526747807
2001-07-01,0.014765399574637527
2001-10-01,0.014241686455515778
2002-01-01,0.014104789725042888
2002-04-01,0.014051394907535828
2002-07-01,0.014179573271765214
2002-10-01,0.01349336925875698
2003-01-01,0.013419748420659901
2003-04-01,0.013359420675721571
2003-07-01,0.01368293672102141
2003-10-01,0.013640486589036542
2004-01-01,0.01354516022086566
2004-04-01,0.013406545051666354
2004-07-01,0.013761379541363737
2004-10-01,0.013717176061652655
2005-01-01,0.013559028911861143
2005-04-01,0.013841272258582137
2005-07-01,0.013786573506301093
2005-10-01,0.013611619876129187
2006-01-01,0.013525467749478645
2006-04-01,0.013599086307526037
2006-07-01,0.013785465633198338
2006-10-01,0.013960551470273998
2007-01-01,0.01429086856451386
2007-04-01,0.01416184132266432
2007-07-01,0.01419783980038062
2007-10-01,0.014384380951811403
2008-01-01,0.0150484090817295
2008-04-01,0.015123740212452814
2008-07-01,0.015230016459495031
2008-10-01,0.015216307488481304
2009-01-01,0.015285531008387417
2009-04-01,0.015551375417245081
2009-07-01,0.01566135013075752
2009-10-01,0.015948060127843024
2010-01-01,0.015416187762494234
2010-04-01,0.014869968631245272
2010-07-01,0.014897163821515114
2010-10-01,0.01499731473465385
2011-01-01,0.015439064770958414
2011-04-01,0.015754676880450052
2011-07-01,0.016261963434835068
2011-10-01,0.016566134918006327
2012-01-01,0.016553937893950422
2012-04-01,0.01680280543452675
2012-07-01,0.016669463926712157
2012-10-01,0.016922771580920072
2013-01-01,0.01719424256896651
2013-04-01,0.016700892305534797
2013-07-01,0.016868687786211003
2013-10-01,0.016909590432630395
2014-01-01,0.01717981748529952
2014-04-01,0.01719906740916521
2014-07-01,0.01731021418058677
2014-10-01,0.017287552159634845
2015-01-01,0.01722094281798424
2015-04-01,0.01710632904633884
2015-07-01,0.017203914480166047
2015-10-01,0.01761239962577984
2016-01-01,0.018124053455229487
2016-04-01,0.018347823196414734
2016-07-01,0.01861698622410559
2016-10-01,0.018902238778956613
2017-01-01,0.0191575410148628
2017-04-01,0.019487317093070746
2017-07-01,0.01966358420512888
2017-10-01,0.019782764840879076
2018-01-01,0.020013131283864623
2018-04-01,0.02038325609671719
2018-07-01,0.020621691805220797
2018-10-01,0.020836684734633796
2019-01-01,0.020519998484245627
2019-04-01,0.02068596516168988
2019-07-01,0.02080404487306381
2019-10-01,0.021052634458501914
2020-01-01,0.021726947220199605
2020-04-01,0.023553519687632574
2020-07-01,0.021903816256556206
2020-10-01,0.022398171607395427
2021-01-01,0.02247588049144118
2021-04-01,0.022513858295887045
2021-07-01,0.022480082790654415
2021-10-01,0.02234297848100909
2022-01-01,0.02283733898253016
2022-04-01,0.02305720595331472
2022-07-01,0.023203012040003683
2022-10-01,0.02314608545260335
2023-01-01,0.023184444843675125
2023-04-01,0.022954446196828095
2023-07-01,0.02272706216982649
2023-10-01,0.02285427229457131
2024-01-01,0.023056527496379264
2024-04-01,0.023271263221888824
2024-07-01,0.023487147838546853
2024-10-01,0.02356580546210648
2025-01-01,0.023961968155950263
2025-04-01,0.0243114518383082
2025-07-01,0.024462634378487856
2025-10-01,0.02463070110429478
2026-01-01,0.024784373129874082
2026-04-01,0.02485226344108641