Month Index source base 1970-01-01 0.00126917 1970-02-01 0.00128192 1970-03-01 0.00130868 1970-04-01 0.00130358 1970-05-01 0.00131377 1970-06-01 0.00128829 1970-07-01 0.00126663 1970-08-01 0.00129466 1970-09-01 0.00135328 1970-10-01 0.00137876 1970-11-01 0.00133034 1970-12-01 0.00135710 1971-01-01 0.00142464 1971-02-01 0.00144120 1971-03-01 0.00148835 1971-04-01 0.00148198 1971-05-01 0.00149217 1971-06-01 0.00145777 1971-07-01 0.00141826 1971-08-01 0.00142591 1971-09-01 0.00152021 1971-10-01 0.00154951 1971-11-01 0.00154442 1971-12-01 0.00156863 1972-01-01 0.00160686 1972-02-01 0.00158137 1972-03-01 0.00164763 1972-04-01 0.00163744 1972-05-01 0.00164381 1972-06-01 0.00152785 1972-07-01 0.00152021 1972-08-01 0.00153422 1972-09-01 0.00157755 1972-10-01 0.00162979 1972-11-01 0.00167949 1972-12-01 0.00171644 1973-01-01 0.00176614 1973-02-01 0.00179417 1973-03-01 0.00186936 1973-04-01 0.00191141 1973-05-01 0.00192288 1973-06-01 0.00188210 1973-07-01 0.00190631 1973-08-01 0.00192925 1973-09-01 0.00196110 1973-10-01 0.00202354 1973-11-01 0.00212294 1973-12-01 0.00218155 1974-01-01 0.00227585 1974-02-01 0.00268107 1974-03-01 0.00270910 1974-04-01 0.00268999 1974-05-01 0.00276262 1974-06-01 0.00269381 1974-07-01 0.00265431 1974-08-01 0.00261353 1974-09-01 0.00267979 1974-10-01 0.00280085 1974-11-01 0.00337937 1974-12-01 0.00367882 1975-01-01 0.00377694 1975-02-01 0.00389162 1975-03-01 0.00399739 1975-04-01 0.00405218 1975-05-01 0.00417961 1975-06-01 0.00403562 1975-07-01 0.00399612 1975-08-01 0.00394387 1975-09-01 0.00405473 1975-10-01 0.00429047 1975-11-01 0.00443574 1975-12-01 0.00441535 1976-01-01 0.00444211 1976-02-01 0.00448416 1976-03-01 0.00480400 1976-04-01 0.00499260 1976-05-01 0.00511238 1976-06-01 0.00494927 1976-07-01 0.00510983 1976-08-01 0.00522196 1976-09-01 0.00539781 1976-10-01 0.00557749 1976-11-01 0.00600182 1976-12-01 0.00622609 1977-01-01 0.00623714 1977-02-01 0.00626830 1977-03-01 0.00657471 1977-04-01 0.00660587 1977-05-01 0.00681360 1977-06-01 0.00717194 1977-07-01 0.00722387 1977-08-01 0.00744718 1977-09-01 0.00786784 1977-10-01 0.00813270 1977-11-01 0.00908307 1977-12-01 0.00910384 1978-01-01 0.00935312 1978-02-01 0.00950373 1978-03-01 0.00991400 1978-04-01 0.01018924 1978-05-01 0.01010096 1978-06-01 0.01013731 1978-07-01 0.01031907 1978-08-01 0.01061509 1978-09-01 0.01125387 1978-10-01 0.01161220 1978-11-01 0.01271837 1978-12-01 0.01334676 1979-01-01 0.01396996 1979-02-01 0.01448409 1979-03-01 0.01533060 1979-04-01 0.01629655 1979-05-01 0.01686262 1979-06-01 0.01660815 1979-07-01 0.01715864 1979-08-01 0.01979683 1979-09-01 0.02171316 1979-10-01 0.02298552 1979-11-01 0.02630403 1979-12-01 0.02961216 1980-01-01 0.03173102 1980-02-01 0.03462888 1980-03-01 0.03840960 1980-04-01 0.04227860 1980-05-01 0.04649036 1980-06-01 0.04783023 1980-07-01 0.04990235 1980-08-01 0.05384406 1980-09-01 0.05820643 1980-10-01 0.06483307 1980-11-01 0.07070149 1980-12-01 0.07562473 1981-01-01 0.08029216 1981-02-01 0.08705145 1981-03-01 0.09171126 1981-04-01 0.09324746 1981-05-01 0.09304264 1981-06-01 0.09191609 1981-07-01 0.09411798 1981-08-01 0.09775366 1981-09-01 0.10727811 1981-10-01 0.11736584 1981-11-01 0.12304978 1981-12-01 0.13073080 1982-01-01 0.13917991 1982-02-01 0.14988211 1982-03-01 0.15904812 1982-04-01 0.17118412 1982-05-01 0.18306408 1982-06-01 0.19340784 1982-07-01 0.21527311 1982-08-01 0.23631908 1982-09-01 0.25833798 1982-10-01 0.27405845 1982-11-01 0.29489959 1982-12-01 0.31922279 1983-01-01 0.36136593 1983-02-01 0.39623772 1983-03-01 0.42696176 1983-04-01 0.47335506 1983-05-01 0.49486189 1983-06-01 0.47617143 1983-07-01 0.48462054 1983-08-01 0.51135046 1983-09-01 0.57115992 1983-10-01 0.70783070 1983-11-01 0.82074155 1983-12-01 0.91803435 1984-01-01 1.06561216 1984-02-01 1.20310224 1984-03-01 1.34632748 1984-04-01 1.57312211 1984-05-01 1.83970438 1984-06-01 2.06450194 1984-07-01 2.20916097 1984-08-01 2.61543521 1984-09-01 3.25976956 1984-10-01 4.43547620 1984-11-01 4.91610261 1984-12-01 5.11514319 1985-01-01 5.44839663 1985-02-01 6.37523853 1985-03-01 7.19454630 1985-04-01 8.31597380 1985-05-01 8.70514499 1985-06-01 9.96995135 1985-07-01 12.91945930 1985-08-01 13.41616460 1985-09-01 14.57855750 1985-10-01 15.64877830 1985-11-01 14.76802240 1985-12-01 14.84483250 1986-01-01 15.38854480 1986-02-01 15.74103830 1986-03-01 15.98337760 1986-04-01 16.52313330 1986-05-01 16.99679640 1986-06-01 17.33827450 1986-07-01 16.99679640 1986-08-01 17.12898150 1986-09-01 17.37132080 1986-10-01 17.88904560 1986-11-01 18.74824860 1986-12-01 19.28800430 1987-01-01 20.10314550 1987-02-01 19.78369830 1987-03-01 19.81674450 1987-04-01 20.18025350 1987-05-01 19.86080620 1987-06-01 19.71760570 1987-07-01 19.21089630 1987-08-01 19.53034350 1987-09-01 19.60745150 1987-10-01 19.94892960 1987-11-01 20.10314550 1987-12-01 20.38954650 1988-01-01 21.16476970 1988-02-01 21.16476970 1988-03-01 21.99865360 1988-04-01 23.54729530 1988-05-01 23.80540230 1988-06-01 22.99137270 1988-07-01 22.79282890 1988-08-01 23.17006210 1988-09-01 23.96423730 1988-10-01 24.63928630 1988-11-01 24.97681070 1988-12-01 24.69884940 1989-01-01 27.55788020 1989-02-01 28.25278350 1989-03-01 27.77627840 1989-04-01 28.45132730 1989-05-01 27.75642400 1989-06-01 27.33948200 1989-07-01 27.16079260 1989-08-01 27.53802580 1989-09-01 27.85569590 1989-10-01 28.33220100 1989-11-01 28.39176420 1989-12-01 28.78885180 1990-01-01 28.78885180 1990-02-01 29.00725000 1990-03-01 29.16608500 1990-04-01 29.84113400 1990-05-01 30.49632850 1990-06-01 29.94040590 1990-07-01 30.01982340 1990-08-01 30.27793030 1990-09-01 30.33749350 1990-10-01 30.83385300 1990-11-01 31.84642640 1990-12-01 31.90598950 1991-01-01 33.01783490 1991-02-01 33.25608740 1991-03-01 32.95827170 1991-04-01 33.51419440 1991-05-01 33.93113640 1991-06-01 33.97084510 1991-07-01 33.89142760 1991-08-01 34.86429220 1991-09-01 35.71803060 1991-10-01 36.17468140 1991-11-01 35.73788500 1991-12-01 36.29380760 1992-01-01 37.44536170 1992-02-01 38.67633330 1992-03-01 40.70148010 1992-04-01 41.33682030 1992-05-01 39.37123660 1992-06-01 38.25939130 1992-07-01 37.48507050 1992-08-01 37.52477920 1992-09-01 38.63662450 1992-10-01 39.47050850 1992-11-01 39.51021730 1992-12-01 39.90730490 1993-01-01 40.44337320 1993-02-01 40.90002390 1993-03-01 40.82060640 1993-04-01 41.39638340 1993-05-01 40.76104330 1993-06-01 40.32424690 1993-07-01 40.34410130 1993-08-01 41.47580100 1993-09-01 41.79347110 1993-10-01 41.99201490 1993-11-01 42.54793750 1993-12-01 42.62735500 1994-01-01 42.77180890 1994-02-01 43.14337870 1994-03-01 43.72137610 1994-04-01 44.50580110 1994-05-01 44.09294580 1994-06-01 44.50580110 1994-07-01 44.87737090 1994-08-01 46.11593680 1994-09-01 47.27193160 1994-10-01 48.71692520 1994-11-01 50.49220300 1994-12-01 51.15277140 1995-01-01 49.74906340 1995-02-01 49.17106600 1995-03-01 48.51049750 1995-04-01 48.84078180 1995-05-01 48.42792650 1995-06-01 47.68478690 1995-07-01 47.51964480 1995-08-01 48.38664090 1995-09-01 49.46006470 1995-10-01 50.16191870 1995-11-01 50.36834640 1995-12-01 50.28577530 1996-01-01 50.24448980 1996-02-01 50.86377270 1996-03-01 52.59776500 1996-04-01 53.79504540 1996-05-01 53.79504540 1996-06-01 53.42347560 1996-07-01 53.91890190 1996-08-01 54.62075590 1996-09-01 55.19875340 1996-10-01 55.36389550 1996-11-01 55.24003890 1996-12-01 55.07489680 1997-01-01 55.07489680 1997-02-01 57.01531670 1997-03-01 58.04745490 1997-04-01 58.13002600 1997-05-01 58.50159570 1997-06-01 58.04745490 1997-07-01 58.41902470 1997-08-01 59.74016160 1997-09-01 59.86401820 1997-10-01 60.31815910 1997-11-01 59.90530380 1997-12-01 59.57501950 1998-01-01 59.98787480 1998-02-01 59.82273270 1998-03-01 59.86401820 1998-04-01 60.60715780 1998-05-01 61.72186710 1998-06-01 60.68972880 1998-07-01 60.68972880 1998-08-01 61.76315260 1998-09-01 63.49714490 1998-10-01 64.90085290 1998-11-01 65.23113710 1998-12-01 65.39627920 1999-01-01 65.67315030 1999-02-01 65.85919320 1999-03-01 65.23905020 1999-04-01 66.10725050 1999-05-01 66.23127910 1999-06-01 66.10725050 1999-07-01 65.92120750 1999-08-01 65.92120750 1999-09-01 65.85919320 1999-10-01 66.60336490 1999-11-01 66.16926480 1999-12-01 67.40955090 2000-01-01 67.09947940 2000-02-01 67.28552230 2000-03-01 66.97545070 2000-04-01 66.35530770 2000-05-01 68.02969400 2000-06-01 66.78940780 2000-07-01 67.09947940 2000-08-01 67.59559380 2000-09-01 67.84365100 2000-10-01 69.02192290 2000-11-01 68.89789420 2000-12-01 68.33976550 2001-01-01 68.08437510 2001-02-01 67.88154180 2001-03-01 67.67870850 2001-04-01 68.76048600 2001-05-01 69.63943030 2001-06-01 69.36898590 2001-07-01 69.09854150 2001-08-01 69.63943030 2001-09-01 69.97748580 2001-10-01 70.24793020 2001-11-01 69.84226360 2001-12-01 69.63943030 2002-01-01 70.04509690 2002-02-01 69.77465250 2002-03-01 69.36898590 2002-04-01 70.45076350 2002-05-01 69.63943030 2002-06-01 69.77465250 2002-07-01 70.31554130 2002-08-01 71.73537430 2002-09-01 73.22281850 2002-10-01 73.49326290 2002-11-01 72.68192970 2002-12-01 72.27626310 2003-01-01 71.63341680 2003-02-01 72.05980620 2003-03-01 73.05471470 2003-04-01 73.62323390 2003-05-01 74.68920740 2003-06-01 74.12068820 2003-07-01 72.98364980 2003-08-01 72.62832540 2003-09-01 72.62832540 2003-10-01 73.19684450 2003-11-01 73.12577960 2003-12-01 72.98364980 2004-01-01 73.12577960 2004-02-01 73.19684450 2004-03-01 72.84152000 2004-04-01 73.26790940 2004-05-01 72.77045520 2004-06-01 71.27809230 2004-07-01 71.06489760 2004-08-01 71.49128700 2004-09-01 71.84661150 2004-10-01 72.27300090 2004-11-01 72.62832540 2004-12-01 74.97346700 2005-01-01 74.19175310 2005-02-01 74.40494780 2005-03-01 73.55216900 2005-04-01 73.62323390 2005-05-01 73.69429880 2005-06-01 72.34406580 2005-07-01 72.27300090 2005-08-01 72.98364980 2005-09-01 74.12068820 2005-10-01 74.68920740 2005-11-01 75.54198620 2005-12-01 74.40494780 2006-01-01 75.39985640 2006-02-01 76.18157020 2006-03-01 76.82115430 2006-04-01 78.31351720 2006-05-01 78.38458210 2006-06-01 77.67393310 2006-07-01 77.60286820 2006-08-01 77.67393310 2006-09-01 77.74499800 2006-10-01 78.38458210 2006-11-01 78.59777680 2006-12-01 78.52671190 2007-01-01 79.54901000 2007-02-01 79.23857490 2007-03-01 79.08335730 2007-04-01 79.47140120 2007-05-01 80.40270670 2007-06-01 79.08335730 2007-07-01 79.08335730 2007-08-01 81.02357700 2007-09-01 81.95488250 2007-10-01 82.42053530 2007-11-01 83.35184070 2007-12-01 84.05031990 2008-01-01 86.37858360 2008-02-01 88.70684730 2008-03-01 88.62923850 2008-04-01 90.87989340 2008-05-01 92.19924280 2008-06-01 90.10380550 2008-07-01 91.50076370 2008-08-01 92.35446040 2008-09-01 92.35446040 2008-10-01 93.28576590 2008-11-01 91.73359010 2008-12-01 89.71576150 2009-01-01 89.29373140 2009-02-01 89.47503850 2009-03-01 90.47222740 2009-04-01 91.28810920 2009-05-01 91.56006980 2009-06-01 90.83484150 2009-07-01 92.46660510 2009-08-01 93.46379400 2009-09-01 92.91987280 2009-10-01 92.91987280 2009-11-01 92.46660510 2009-12-01 92.01333740 2010-01-01 91.56006980 2010-02-01 92.01333740 2010-03-01 91.74137680 2010-04-01 92.37595160 2010-05-01 92.64791220 2010-06-01 92.55725860 2010-07-01 92.55725860 2010-08-01 93.55444750 2010-09-01 96.27405360 2010-10-01 97.81516360 2010-11-01 96.72732120 2010-12-01 96.54601420 2011-01-01 96.86783420 2011-02-01 97.99420440 2011-03-01 97.52488350 2011-04-01 97.99420440 2011-05-01 97.99420440 2011-06-01 98.18193270 2011-07-01 97.43101930 2011-08-01 97.52488350 2011-09-01 95.08441480 2011-10-01 95.36600730 2011-11-01 96.11692080 2011-12-01 95.92919240 2012-01-01 97.52488350 2012-02-01 96.77397000 2012-03-01 96.68010590 2012-04-01 96.68010590 2012-05-01 97.05556260 2012-06-01 95.74146400 2012-07-01 95.55373570 2012-08-01 97.99420440 2012-09-01 99.30830290 2012-10-01 99.49603130 2012-11-01 98.65125360 2012-12-01 98.83898200 2013-01-01 100.45063000 2013-02-01 101.62092900 2013-03-01 100.64568000 2013-04-01 102.10855300 2013-05-01 101.81597800 2013-06-01 102.59617700 2013-07-01 103.37637600 2013-08-01 102.98627700 2013-09-01 103.47390100 2013-10-01 105.03430000 2013-11-01 103.37637600 2013-12-01 103.76647600 2014-01-01 103.18132700 2014-02-01 102.20607800 2014-03-01 102.30360300 2014-04-01 101.62092900 2014-05-01 101.62092900 2014-06-01 100.74320500 2014-07-01 100.74320500 2014-08-01 101.81597800 2014-09-01 100.15805500 2014-10-01 100.84073000 2014-11-01 100.25558000 2014-12-01 99.08528160 2015-01-01 98.98368230 2015-02-01 99.50450640 2015-03-01 98.98195220 2015-04-01 100.80016300 2015-05-01 101.74799900 2015-06-01 101.10380700 2015-07-01 101.45141300 2015-08-01 100.88801200 2015-09-01 102.44875400 2015-10-01 104.48497200 2015-11-01 103.24366600 2015-12-01 101.46111200 2016-01-01 101.20848900 2016-02-01 100.82003600 2016-03-01 99.41347290 2016-04-01 99.06898210 2016-05-01 100.32725200 2016-06-01 99.03748170 2016-07-01 100.04624400 2016-08-01 100.25490400 2016-09-01 99.97701200 2016-10-01 100.96708100 2016-11-01 99.40772400 2016-12-01 99.11736940 2017-01-01 99.54206570 2017-02-01 100.82027400 2017-03-01 100.67482800 2017-04-01 101.21648700 2017-05-01 101.23042300 2017-06-01 99.27516400 2017-07-01 99.01448360 2017-08-01 99.61564160 2017-09-01 100.26744900 2017-10-01 100.89895900 2017-11-01 99.42460880 2017-12-01 98.14640060 2018-01-01 98.37675274 2018-02-01 99.31455399 2018-03-01 98.23634585 2018-04-01 99.48417840 2018-05-01 100.53714400 2018-06-01 101.33323940 2018-07-01 102.32547730 2018-08-01 101.64459310 2018-09-01 102.77730830