date,value 1987-01-01,105.32261227203567 1987-02-01,104.9173224663474 1987-03-01,104.75834590461972 1987-04-01,104.29046963231816 1987-05-01,103.85761536677842 1987-06-01,103.05906130047919 1987-07-01,102.79976235264301 1987-08-01,102.80215715324113 1987-09-01,102.53232574687827 1987-10-01,102.23996149554364 1987-11-01,101.69201955374973 1987-12-01,101.82699858176589 1988-01-01,101.62787528156476 1988-02-01,101.27584696578805 1988-03-01,101.04974995781308 1988-04-01,100.80139495448802 1988-05-01,100.39550062930832 1988-06-01,100.05341226867013 1988-07-01,99.63227513338188 1988-08-01,99.40323175897441 1988-09-01,99.18112249331193 1988-10-01,98.79208460515126 1988-11-01,98.51362936141598 1988-12-01,98.28524366989362 1989-01-01,98.0204304508068 1989-02-01,97.82082016198476 1989-03-01,97.52578003673015 1989-04-01,97.42443231663177 1989-05-01,97.43117623488692 1989-06-01,97.65100593723092 1989-07-01,97.71255104346181 1989-08-01,97.85354927021189 1989-09-01,97.71537083144798 1989-10-01,97.93080661999443 1989-11-01,98.07358283862993 1989-12-01,98.04548777804762 1990-01-01,98.1621016501623 1990-02-01,98.17977590288359 1990-03-01,98.4235536479949 1990-04-01,98.68512255378343 1990-05-01,98.94594575227737 1990-06-01,99.42884832011902 1990-07-01,99.93863054470029 1990-08-01,100.54430113669169 1990-09-01,101.04163416273653 1990-10-01,101.59893430901172 1990-11-01,102.26833130898379 1990-12-01,102.87206743730974 1991-01-01,103.38710375425617 1991-02-01,103.9277809442199 1991-03-01,104.52663411718778 1991-04-01,104.8944266369527 1991-05-01,104.91375562373624 1991-06-01,104.74113014555174 1991-07-01,104.98527328918425 1991-08-01,104.9521657856176 1991-09-01,105.34299139887851 1991-10-01,105.50639115418343 1991-11-01,105.89609362446927 1991-12-01,106.0499115621395 1992-01-01,106.21749748436524 1992-02-01,106.3402191915187 1992-03-01,106.75449108930644 1992-04-01,106.43959745546002 1992-05-01,106.58541435503236 1992-06-01,106.82600543547865 1992-07-01,107.1328859452671 1992-08-01,107.18488469616865 1992-09-01,107.24654468272583 1992-10-01,107.63215436714229 1992-11-01,107.74914690769228 1992-12-01,107.65019780849521 1993-01-01,107.78834218502541 1993-02-01,107.85867246144953 1993-03-01,107.81517427174374 1993-04-01,108.15336207596724 1993-05-01,108.22661789058292 1993-06-01,108.22722691021245 1993-07-01,107.961666062603 1993-08-01,107.99496472842046 1993-09-01,107.88660004346954 1993-10-01,107.89429804810918 1993-11-01,107.75765942320592 1993-12-01,107.79250472520792 1994-01-01,107.64395967088085 1994-02-01,107.81102173914554 1994-03-01,107.98709270596056 1994-04-01,107.87700102818062 1994-05-01,107.6285240464345 1994-06-01,107.42612727798418 1994-07-01,107.54180085384759 1994-08-01,107.64077981883364 1994-09-01,107.80266180369979 1994-10-01,107.6755049457639 1994-11-01,107.84005792528164 1994-12-01,107.78107940917113 1995-01-01,107.88465093453054 1995-02-01,107.88470843675522 1995-03-01,107.9979022478614 1995-04-01,108.18919210701512 1995-05-01,108.33816847891131 1995-06-01,108.43595560190835 1995-07-01,108.50567313834019 1995-08-01,108.4126361984513 1995-09-01,108.35638263393224 1995-10-01,108.3283117636333 1995-11-01,108.41888639740517 1995-12-01,108.5343810457354 1996-01-01,108.60817378513012 1996-02-01,108.72043820561721 1996-03-01,108.6045369801236 1996-04-01,108.51037419873053 1996-05-01,108.53125616615844 1996-06-01,108.67955354062377 1996-07-01,108.78403299919466 1996-08-01,108.71096259469249 1996-09-01,108.75603604921487 1996-10-01,108.7982016826168 1996-11-01,108.8364271455184 1996-12-01,108.81590383823013 1997-01-01,108.77743772748826 1997-02-01,108.75081116158339 1997-03-01,108.66639174366965 1997-04-01,108.77265822195406 1997-05-01,108.72959493627496 1997-06-01,108.77637552715969 1997-07-01,108.71569316342709 1997-08-01,108.66933528323621 1997-09-01,108.63990241527148 1997-10-01,108.52470633475761 1997-11-01,108.17378943933042 1997-12-01,107.85649298078313 1998-01-01,107.46643800676965 1998-02-01,107.2452746776882 1998-03-01,107.02718411620309 1998-04-01,106.81605492790179 1998-05-01,106.54614244839142 1998-06-01,106.28743036668018 1998-07-01,106.04789963157081 1998-08-01,105.85922802868038 1998-09-01,105.61509008029174 1998-10-01,105.39070352512954 1998-11-01,105.1400301356229 1998-12-01,104.79807508893248 1999-01-01,104.47893567951164 1999-02-01,104.13942011694029 1999-03-01,103.7730055124324 1999-04-01,103.44326308028991 1999-05-01,103.06997360636814 1999-06-01,102.62399071299055 1999-07-01,102.19970216830376 1999-08-01,101.76927484351424 1999-09-01,101.38459264040307 1999-10-01,100.87466889987245 1999-11-01,100.73723944295745 1999-12-01,100.26374409481261 2000-01-01,100.0 2000-02-01,99.4418091669625 2000-03-01,99.00108441378902 2000-04-01,98.45143696839233 2000-05-01,98.00255715833023 2000-06-01,97.62087019217218 2000-07-01,97.40488875805762 2000-08-01,97.1152180856143 2000-09-01,96.72636442342444 2000-10-01,96.3284613091388 2000-11-01,95.81900536436461 2000-12-01,95.43804331496939 2001-01-01,95.12912943596537 2001-02-01,94.91822079085306 2001-03-01,94.79903007985304 2001-04-01,94.68732181887823 2001-05-01,94.70110043200779 2001-06-01,94.51459571092002 2001-07-01,94.27780987332758 2001-08-01,94.0603850388677 2001-09-01,93.92008829874763 2001-10-01,93.85270766969936 2001-11-01,93.74543053023949 2001-12-01,93.64588333075937 2002-01-01,93.37978549511541 2002-02-01,93.15448441248014 2002-03-01,92.77383108945253 2002-04-01,92.24303551078283 2002-05-01,91.57678577499746 2002-06-01,91.03188230780358 2002-07-01,90.46245024254851 2002-08-01,89.90749329562966 2002-09-01,89.4464428378353 2002-10-01,88.98739796329993 2002-11-01,88.59383846838813 2002-12-01,88.14936282913496 2003-01-01,87.92185688197914 2003-02-01,87.44244766924798 2003-03-01,87.12387015739213 2003-04-01,86.84628835296593 2003-05-01,86.49623736140053 2003-06-01,86.02595891006082 2003-07-01,85.50898378183908 2003-08-01,84.91915730064828 2003-09-01,84.29627423249138 2003-10-01,83.61831303107488 2003-11-01,83.05824647909749 2003-12-01,82.35598579297083 2004-01-01,81.66059248424081 2004-02-01,80.97302115032697 2004-03-01,80.12299610187777 2004-04-01,79.51206360671047 2004-05-01,78.88236533177712 2004-06-01,78.22845651888171 2004-07-01,77.6429361352623 2004-08-01,77.2026845953764 2004-09-01,76.60930758724726 2004-10-01,75.94315002068883 2004-11-01,75.19280303218125 2004-12-01,74.55169449382493 2005-01-01,73.85296600344013 2005-02-01,73.12710783629171 2005-03-01,72.20540544270776 2005-04-01,71.67686281582304 2005-05-01,71.05797609845897 2005-06-01,70.45699156599512 2005-07-01,70.00180447709292 2005-08-01,69.49442180474752 2005-09-01,68.89688093199837 2005-10-01,68.46888681906425 2005-11-01,68.02423236990622 2005-12-01,67.68539217036484 2006-01-01,67.31437534849638 2006-02-01,67.1718834066468 2006-03-01,66.99052851347274 2006-04-01,67.21432980488973 2006-05-01,67.51893444874182 2006-06-01,68.030329927912 2006-07-01,68.43673816698114 2006-08-01,68.88874248129572 2006-09-01,69.08552946176117 2006-10-01,69.1774129890947 2006-11-01,69.26512347407674 2006-12-01,69.36761907510083 2007-01-01,69.45053970318583 2007-02-01,69.72049652763825 2007-03-01,70.1328727279028 2007-04-01,70.75493509653221 2007-05-01,71.51693945836163 2007-06-01,72.24471834359885 2007-07-01,72.92742647137048 2007-08-01,73.49918112885591 2007-09-01,73.95440889935567 2007-10-01,74.64162637346045 2007-11-01,75.5513076750858 2007-12-01,76.15840666842834 2008-01-01,76.89698870935192 2008-02-01,77.79307447473592 2008-03-01,78.67037019157861 2008-04-01,79.7232454213026 2008-05-01,80.68987287803371 2008-06-01,81.81350477849179 2008-07-01,82.8082743415039 2008-08-01,83.88947602840403 2008-09-01,85.01082553372893 2008-10-01,86.33339936414757 2008-11-01,87.77007034601534 2008-12-01,89.36993345784234 2009-01-01,90.82524925289395 2009-02-01,91.88888877833942 2009-03-01,92.87676093344355 2009-04-01,93.4881618614689 2009-05-01,93.78706044570806 2009-06-01,93.6039668694149 2009-07-01,93.38790258794947 2009-08-01,93.47640750584483 2009-09-01,93.59937707004859 2009-10-01,93.59536219253188 2009-11-01,93.34737666176828 2009-12-01,93.43439742698382 2010-01-01,93.79389785448183 2010-02-01,94.92781878535425 2010-03-01,94.83424180281715 2010-04-01,94.52415010628226 2010-05-01,94.57074187224383 2010-06-01,95.10708656900789 2010-07-01,95.63683296350925 2010-08-01,96.30731158789244 2010-09-01,97.03389359577712 2010-10-01,97.36632782873541 2010-11-01,97.81698055682591 2010-12-01,98.0750873930243 2011-01-01,98.64473417018024 2011-02-01,99.61736896810764 2011-03-01,100.03375000220669 2011-04-01,100.12848188938266 2011-05-01,100.35357421606224 2011-06-01,100.54419520562277 2011-07-01,100.81157785778159 2011-08-01,101.46562707084796 2011-09-01,102.17739254628697 2011-10-01,103.0160993279218 2011-11-01,103.84390398825244 2011-12-01,104.44831309572436 2012-01-01,104.68728277507111 2012-02-01,104.97813343638138 2012-03-01,104.13235906369881 2012-04-01,103.45408886468479 2012-05-01,102.91578242119881 2012-06-01,102.4388699395117 2012-07-01,102.20481808456547 2012-08-01,101.97164945881924 2012-09-01,101.76434867540945 2012-10-01,101.66456787954739 2012-11-01,101.16645808940197 2012-12-01,100.73138386157731 2013-01-01,100.04105431236465 2013-02-01,99.64038004305434 2013-03-01,98.45224970933126 2013-04-01,97.62063111936851 2013-05-01,97.04280869273106 2013-06-01,96.41305510624882 2013-07-01,95.69214021796286 2013-08-01,95.20846155756209 2013-09-01,94.61635309973575 2013-10-01,94.18724782656544 2013-11-01,93.89152709610399 2013-12-01,93.64257255321473 2014-01-01,93.34375968887447 2014-02-01,93.18830097066673 2014-03-01,93.16938065469681 2014-04-01,93.30697769395765 2014-05-01,93.41277464621989 2014-06-01,93.45582196143707 2014-07-01,93.44274782760219 2014-08-01,93.30937844740795 2014-09-01,93.19824643078132 2014-10-01,93.00162741219971 2014-11-01,92.9351256122691 2014-12-01,92.74531948145584 2015-01-01,92.70594997588313 2015-02-01,92.74782966984068 2015-03-01,92.6704639216963 2015-04-01,92.6355539392442 2015-05-01,92.57093868951645 2015-06-01,92.55107382306898 2015-07-01,92.49534266439282 2015-08-01,92.3636547646694 2015-09-01,92.23021505265841 2015-10-01,91.99213171794305 2015-11-01,91.72367074359632 2015-12-01,91.54627570483512 2016-01-01,91.47665248844869 2016-02-01,91.56687647240666 2016-03-01,91.56862552286302 2016-04-01,91.54972076062175 2016-05-01,91.51520183364114 2016-06-01,91.4694043767397 2016-07-01,91.34821171630841 2016-08-01,91.10771301338258 2016-09-01,90.92865890227885 2016-10-01,90.82834778775296 2016-11-01,90.63603062769903 2016-12-01,90.47774356826072 2017-01-01,90.21939298810409 2017-02-01,90.23960101391012 2017-03-01,90.15847323187995 2017-04-01,90.04651410096672 2017-05-01,89.92613953730046 2017-06-01,89.79157817717248 2017-07-01,89.57056351997508 2017-08-01,89.34214352636718 2017-09-01,89.04980452709933 2017-10-01,88.85237339352392 2017-11-01,88.6041445292623 2017-12-01,88.38215450525853 2018-01-01,88.17323061175294 2018-02-01,87.9394247313262 2018-03-01,87.81714529896793 2018-04-01,87.81382736596723 2018-05-01,87.70402178759066 2018-06-01,87.59990094967269 2018-07-01,87.57517081809678 2018-08-01,87.58207834617832 2018-09-01,87.49083045180444 2018-10-01,87.40277366540296 2018-11-01,87.47895588235947 2018-12-01,87.47871467007121 2019-01-01,87.55990631602197 2019-02-01,87.67003461229056 2019-03-01,87.93267684622022 2019-04-01,88.082785491647 2019-05-01,88.03980836635871 2019-06-01,88.19939045042766 2019-07-01,88.18981582218444 2019-08-01,88.07694426463952 2019-09-01,88.03967890994385 2019-10-01,87.83500242765892 2019-11-01,87.65003872898221 2019-12-01,87.41701327715434 2020-01-01,87.28114352497553 2020-02-01,87.16988862925712 2020-03-01,87.20893952807968 2020-04-01,87.2317940794054 2020-05-01,87.38029923313879 2020-06-01,87.29305371913415 2020-07-01,86.78293038202406 2020-08-01,85.68600568306391 2020-09-01,84.45798405375001 2020-10-01,83.13867200410697 2020-11-01,81.92871067751196 2020-12-01,80.87402068972833 2021-01-01,79.91348296447612 2021-02-01,79.15837879966263 2021-03-01,78.28702633053888 2021-04-01,77.31685742016174 2021-05-01,76.21387650713245 2021-06-01,74.9678776033024 2021-07-01,73.85359665283609 2021-08-01,72.95988407479351 2021-09-01,72.2651257133426 2021-10-01,71.66265017164986 2021-11-01,71.00209621477939 2021-12-01,70.21533183373221 2022-01-01,69.4509745963015 2022-02-01,68.64873909444819 2022-03-01,67.731511351858 2022-04-01,67.20621660106207 2022-05-01,66.96529722954358 2022-06-01,67.29232257552191 2022-07-01,67.95667999229626 2022-08-01,68.96159202151675 2022-09-01,69.98287004660763 2022-10-01,70.56497504733372 2022-11-01,71.19908579364942 2022-12-01,71.94492666451116 2023-01-01,72.5557647856911 2023-02-01,73.0268891170671 2023-03-01,73.10935507608077 2023-04-01,73.1731288945429 2023-05-01,73.05516021097304 2023-06-01,72.90093941351134 2023-07-01,72.66296543453728 2023-08-01,72.36658271390984 2023-09-01,72.22013238768417 2023-10-01,72.13820780319236 2023-11-01,72.31507651210869 2023-12-01,72.44569344137435 2024-01-01,72.4796393699566 2024-02-01,72.51008034932856 2024-03-01,72.53951992740997 2024-04-01,72.53961519388022 2024-05-01,72.6191019570398 2024-06-01,72.63711208607833 2024-07-01,72.77721846910164 2024-08-01,72.81534909599398 2024-09-01,72.80947227371281 2024-10-01,72.83756814148087 2024-11-01,72.73892237264525 2024-12-01,72.61769895873593 2025-01-01,72.53994563903234 2025-02-01,72.59702566671628 2025-03-01,72.93778537977136 2025-04-01,73.34950329740188 2025-05-01,73.65877563201204 2025-06-01,73.94480495133281 2025-07-01,74.13739365596315 2025-08-01,74.24352592643383 2025-09-01,74.29606035557188 2025-11-01,73.93012333352327 2025-12-01,73.8770929564663 2026-01-01,73.892140022293 2026-02-01,73.93936489873522 2026-03-01,74.19518212008407 2026-04-01,74.6455032864116 2026-05-01,74.86191018603226 2026-06-01,74.83734906832538 2026-07-01,74.81700740524424