date,value
1990-01-01,3.098602744794256
1990-04-01,3.0465323220590435
1990-07-01,3.067294075828025
1990-10-01,3.1257219045650775
1991-01-01,3.235446853638575
1991-04-01,3.2295459339882435
1991-07-01,3.253423685718988
1991-10-01,3.3147954765422036
1992-01-01,3.362225496050749
1992-04-01,3.405156251748878
1992-07-01,3.434815564116066
1992-10-01,3.453018703975626
1993-01-01,3.491949064788978
1993-04-01,3.529246270258667
1993-07-01,3.5794181327559635
1993-10-01,3.622698901376969
1994-01-01,3.6253157938332192
1994-04-01,3.5761963096240716
1994-07-01,3.576586195528382
1994-10-01,3.5557914029314692
1995-01-01,3.5410183841198486
1995-04-01,3.559835484088913
1995-07-01,3.5828727358291235
1995-10-01,3.6052338583051817
1996-01-01,3.662621060212649
1996-04-01,3.6764571393732473
1996-07-01,3.691886127253211
1996-10-01,3.7397969647251847
1997-01-01,3.717589498378466
1997-04-01,3.768678870195194
1997-07-01,3.788718380299902
1997-10-01,3.786866598844131
1998-01-01,3.8256549241824414
1998-04-01,3.836442432304119
1998-07-01,3.702636781158667
1998-10-01,3.7848685259298414
1999-01-01,3.6529941347770807
1999-04-01,3.6452495141685746
1999-07-01,3.59970449658673
1999-10-01,3.692233724115936
2000-01-01,3.6895751026922374
2000-04-01,3.6650973943287903
2000-07-01,3.6269362292381313
2000-10-01,3.5103903326036296
2001-01-01,3.4097401219558856
2001-04-01,3.433285915028711
2001-07-01,3.426700292587662
2001-10-01,3.5559201959556
2002-01-01,3.5673919422771525
2002-04-01,3.4377447524732436
2002-07-01,3.360330658127267
2002-10-01,3.363394502895359
2003-01-01,3.267106795681584
2003-04-01,3.396199463529716
2003-07-01,3.398701100535963
2003-10-01,3.481152249537271
2004-01-01,3.4936376344683295
2004-04-01,3.459849354138244
2004-07-01,3.4237687572143134
2004-10-01,3.386469701846271
2005-01-01,3.4708901678156723
2005-04-01,3.5231107567261692
2005-07-01,3.5278073921079587
2005-10-01,3.495287307511181
2006-01-01,3.6397147696476964
2006-04-01,3.6481113773515546
2006-07-01,3.6744532657867177
2006-10-01,3.7693059776968556
2007-01-01,3.8104617405039565
2007-04-01,3.8251687796363343
2007-07-01,3.84601908171159
2007-10-01,3.8012867495830496
2008-01-01,3.789648908932777
2008-04-01,3.823061579256108
2008-07-01,3.6018570538302472
2008-10-01,3.6642625769963457
2009-01-01,3.7676588973255107
2009-04-01,3.9969757595796676
2009-07-01,4.096926891864657
2009-10-01,4.043283083864659
2010-01-01,4.043072154313298
2010-04-01,4.016563233408338
2010-07-01,4.127689789428428
2010-10-01,4.15316406002064
2011-01-01,4.15745141407818
2011-04-01,4.152841261651548
2011-07-01,4.064173108411713
2011-10-01,4.088799580735919
2012-01-01,4.1960355238221165
2012-04-01,4.2327409147084305
2012-07-01,4.293350507692408
2012-10-01,4.333519877835043
2013-01-01,4.358698964858028
2013-04-01,4.350368283126399
2013-07-01,4.361205755197059
2013-10-01,4.441915262549117
2014-01-01,4.504810914654394
2014-04-01,4.561072096012682
2014-07-01,4.550890062131541
2014-10-01,4.612725577275237
2015-01-01,4.82905457844076
2015-04-01,4.8473525381375575
2015-07-01,4.795911166376126
2015-10-01,4.940471862949871
2016-01-01,4.985172786501336
2016-04-01,5.116197970983222
2016-07-01,5.167208242033586
2016-10-01,5.160219403450285
2017-01-01,5.260832335522508
2017-04-01,5.220347226786603
2017-07-01,5.209339830195093
2017-10-01,5.197786007612088
2018-01-01,5.218937975631018
2018-04-01,5.163220045105773
2018-07-01,5.1341520315615385
2018-10-01,5.119765520349529
2019-01-01,5.205019410184264
2019-04-01,5.222552622930972
2019-07-01,5.272692591871778
2019-10-01,5.3114671021503
2020-01-01,5.317544545143041
2020-04-01,6.367027756888625
2020-07-01,5.939339875111507
2020-10-01,6.058581895597845
2021-01-01,6.176872222779745
2021-04-01,6.200070256782914
2021-07-01,6.186660263472456
2021-10-01,6.313982298490094
2022-01-01,6.096232324395934
2022-04-01,5.451347763021153
2022-07-01,5.346828318941882
2022-10-01,5.395430464492212
2023-01-01,5.598963819878122
2023-04-01,5.657450599618425
2023-07-01,5.4331299305058876
2023-10-01,5.4864828924574
2024-01-01,5.6610455856257005
2024-04-01,5.606333370887058
2024-07-01,5.617633104431216
2024-10-01,5.609877567568248
2025-01-01,5.583365483499212
2025-04-01,5.671884556217808
2025-07-01,5.709858755814638
2025-10-01,5.673459011502231
2026-01-01,5.669981781539508
2026-04-01,5.650027343704548