Month Index source base 1970-01-01 0.00138425 1970-02-01 0.00138970 1970-03-01 0.00140334 1970-04-01 0.00141425 1970-05-01 0.00143198 1970-06-01 0.00142925 1970-07-01 0.00142380 1970-08-01 0.00143061 1970-09-01 0.00148789 1970-10-01 0.00151790 1970-11-01 0.00151790 1970-12-01 0.00152881 1971-01-01 0.00155608 1971-02-01 0.00155472 1971-03-01 0.00157518 1971-04-01 0.00158745 1971-05-01 0.00159563 1971-06-01 0.00159836 1971-07-01 0.00159018 1971-08-01 0.00159836 1971-09-01 0.00165018 1971-10-01 0.00168564 1971-11-01 0.00171292 1971-12-01 0.00173338 1972-01-01 0.00175792 1972-02-01 0.00174838 1972-03-01 0.00178384 1972-04-01 0.00180429 1972-05-01 0.00182339 1972-06-01 0.00179747 1972-07-01 0.00180975 1972-08-01 0.00181793 1972-09-01 0.00184384 1972-10-01 0.00188748 1972-11-01 0.00192021 1972-12-01 0.00194749 1973-01-01 0.00198431 1973-02-01 0.00200341 1973-03-01 0.00205250 1973-04-01 0.00213160 1973-05-01 0.00216161 1973-06-01 0.00216842 1973-07-01 0.00220525 1973-08-01 0.00221888 1973-09-01 0.00225571 1973-10-01 0.00229662 1973-11-01 0.00239754 1973-12-01 0.00246164 1974-01-01 0.00254892 1974-02-01 0.00275485 1974-03-01 0.00282850 1974-04-01 0.00290487 1974-05-01 0.00298261 1974-06-01 0.00299215 1974-07-01 0.00303307 1974-08-01 0.00304807 1974-09-01 0.00310807 1974-10-01 0.00318581 1974-11-01 0.00355676 1974-12-01 0.00384452 1975-01-01 0.00391953 1975-02-01 0.00397817 1975-03-01 0.00407500 1975-04-01 0.00414455 1975-05-01 0.00420320 1975-06-01 0.00418819 1975-07-01 0.00420729 1975-08-01 0.00420865 1975-09-01 0.00429593 1975-10-01 0.00456733 1975-11-01 0.00471189 1975-12-01 0.00474871 1976-01-01 0.00481281 1976-02-01 0.00484690 1976-03-01 0.00502147 1976-04-01 0.00530923 1976-05-01 0.00542242 1976-06-01 0.00543333 1976-07-01 0.00571018 1976-08-01 0.00577974 1976-09-01 0.00591202 1976-10-01 0.00610977 1976-11-01 0.00638253 1976-12-01 0.00655437 1977-01-01 0.00653881 1977-02-01 0.00660050 1977-03-01 0.00672948 1977-04-01 0.00689211 1977-05-01 0.00705474 1977-06-01 0.00722297 1977-07-01 0.00732952 1977-08-01 0.00761553 1977-09-01 0.00790714 1977-10-01 0.00819314 1977-11-01 0.00916331 1977-12-01 0.00934276 1978-01-01 0.00955586 1978-02-01 0.00970727 1978-03-01 0.01006618 1978-04-01 0.01062136 1978-05-01 0.01081764 1978-06-01 0.01103074 1978-07-01 0.01129431 1978-08-01 0.01156349 1978-09-01 0.01191118 1978-10-01 0.01259534 1978-11-01 0.01338045 1978-12-01 0.01384029 1979-01-01 0.01452446 1979-02-01 0.01487776 1979-03-01 0.01571333 1979-04-01 0.01707605 1979-05-01 0.01788920 1979-06-01 0.01852289 1979-07-01 0.01954353 1979-08-01 0.02118103 1979-09-01 0.02287462 1979-10-01 0.02466354 1979-11-01 0.02706372 1979-12-01 0.02925641 1980-01-01 0.03139862 1980-02-01 0.03294640 1980-03-01 0.03462877 1980-04-01 0.03816175 1980-05-01 0.04177324 1980-06-01 0.04370235 1980-07-01 0.04561465 1980-08-01 0.04937755 1980-09-01 0.05296660 1980-10-01 0.05879321 1980-11-01 0.06430577 1980-12-01 0.06815279 1981-01-01 0.07313046 1981-02-01 0.07715685 1981-03-01 0.08085551 1981-04-01 0.08947011 1981-05-01 0.09246649 1981-06-01 0.09499469 1981-07-01 0.10075336 1981-08-01 0.10468611 1981-09-01 0.11320708 1981-10-01 0.12341351 1981-11-01 0.13057673 1981-12-01 0.13731859 1982-01-01 0.14874230 1982-02-01 0.15721645 1982-03-01 0.16517559 1982-04-01 0.18277933 1982-05-01 0.19415622 1982-06-01 0.20586084 1982-07-01 0.22482233 1982-08-01 0.24251971 1982-09-01 0.26091937 1982-10-01 0.28283042 1982-11-01 0.30118326 1982-12-01 0.31789746 1983-01-01 0.34486490 1983-02-01 0.36579276 1983-03-01 0.38643971 1983-04-01 0.43770594 1983-05-01 0.46186427 1983-06-01 0.47848483 1983-07-01 0.50840184 1983-08-01 0.54482662 1983-09-01 0.59379874 1983-10-01 0.71889771 1983-11-01 0.83641209 1983-12-01 0.92410310 1984-01-01 1.06198351 1984-02-01 1.18909568 1984-03-01 1.31592693 1984-04-01 1.58700591 1984-05-01 1.81388825 1984-06-01 2.05612705 1984-07-01 2.31007047 1984-08-01 2.69061105 1984-09-01 3.26558876 1984-10-01 4.06037923 1984-11-01 4.85385877 1984-12-01 5.03523355 1985-01-01 5.29985158 1985-02-01 6.01617428 1985-03-01 6.74186067 1985-04-01 8.04809618 1985-05-01 8.59587236 1985-06-01 9.87869863 1985-07-01 12.59417030 1985-08-01 13.08576430 1985-09-01 13.48372130 1985-10-01 14.11108890 1985-11-01 14.17663480 1985-12-01 14.35922690 1986-01-01 14.16634250 1986-02-01 14.39805970 1986-03-01 14.61924420 1986-04-01 15.10374360 1986-05-01 15.34599340 1986-06-01 15.59877570 1986-07-01 15.59877570 1986-08-01 15.76729720 1986-09-01 16.07274250 1986-10-01 16.45191600 1986-11-01 16.92588290 1986-12-01 17.17866520 1987-01-01 17.54730610 1987-02-01 17.71582760 1987-03-01 17.94754480 1987-04-01 18.34778340 1987-05-01 18.46364200 1987-06-01 18.64269610 1987-07-01 18.68482650 1987-08-01 18.91654360 1987-09-01 19.09559780 1987-10-01 19.39051050 1987-11-01 19.69595580 1987-12-01 19.94873810 1988-01-01 20.27052650 1988-02-01 20.43882420 1988-03-01 20.77541970 1988-04-01 21.33641210 1988-05-01 21.59820860 1988-06-01 21.65430780 1988-07-01 21.67300760 1988-08-01 21.84130530 1988-09-01 22.21530030 1988-10-01 22.73889320 1988-11-01 23.11288820 1988-12-01 23.22508660 1989-01-01 24.30967200 1989-02-01 24.72106650 1989-03-01 24.83326490 1989-04-01 25.46905640 1989-05-01 25.69345330 1989-06-01 26.01134900 1989-07-01 26.16094700 1989-08-01 26.47884270 1989-09-01 26.89023720 1989-10-01 27.37643060 1989-11-01 27.73172580 1989-12-01 28.03092180 1990-01-01 28.33011780 1990-02-01 28.47971570 1990-03-01 28.83501100 1990-04-01 29.56430110 1990-05-01 30.03179480 1990-06-01 30.25619180 1990-07-01 30.74238520 1990-08-01 31.22857870 1990-09-01 31.88306980 1990-10-01 32.42536250 1990-11-01 32.83675700 1990-12-01 32.96765520 1991-01-01 33.39774940 1991-02-01 33.60344660 1991-03-01 34.01484110 1991-04-01 34.76283100 1991-05-01 35.41732210 1991-06-01 36.10921280 1991-07-01 37.19379820 1991-08-01 37.96048780 1991-09-01 38.55887980 1991-10-01 38.72717750 1991-11-01 38.78327670 1991-12-01 38.91417500 1992-01-01 38.91417500 1992-02-01 39.30686970 1992-03-01 39.88656180 1992-04-01 40.59715230 1992-05-01 40.44755430 1992-06-01 40.50365350 1992-07-01 40.78414970 1992-08-01 41.10204540 1992-09-01 41.64433810 1992-10-01 41.85003540 1992-11-01 42.11183180 1992-12-01 42.56062580 1993-01-01 43.10291840 1993-02-01 43.62651140 1993-03-01 44.18750380 1993-04-01 44.80459550 1993-05-01 44.93549370 1993-06-01 45.04769220 1993-07-01 45.10379140 1993-08-01 45.53388560 1993-09-01 45.98267960 1993-10-01 46.63717080 1993-11-01 46.99246600 1993-12-01 47.34776120 1994-01-01 47.67479170 1994-02-01 47.94644290 1994-03-01 48.44447020 1994-04-01 49.39524950 1994-05-01 49.98382720 1994-06-01 50.66295530 1994-07-01 51.20625780 1994-08-01 51.74956020 1994-09-01 52.33813790 1994-10-01 53.06254120 1994-11-01 53.74166930 1994-12-01 54.19442130 1995-01-01 54.28497180 1995-02-01 54.37552220 1995-03-01 54.33024700 1995-04-01 54.82827420 1995-05-01 55.37157670 1995-06-01 55.55267750 1995-07-01 55.68850310 1995-08-01 56.36763120 1995-09-01 56.91093370 1995-10-01 57.49951140 1995-11-01 57.90698820 1995-12-01 58.58611630 1996-01-01 59.08414360 1996-02-01 59.62744600 1996-03-01 60.21602370 1996-04-01 61.21207820 1996-05-01 62.25340800 1996-06-01 62.70616000 1996-07-01 62.88726090 1996-08-01 63.11363690 1996-09-01 63.38528810 1996-10-01 63.88331540 1996-11-01 64.29079220 1996-12-01 64.78881950 1997-01-01 65.06047070 1997-02-01 65.83014920 1997-03-01 66.46400210 1997-04-01 66.96202940 1997-05-01 67.27895580 1997-06-01 68.00335910 1997-07-01 68.68248720 1997-08-01 68.95413840 1997-09-01 68.90886320 1997-10-01 69.72381690 1997-11-01 69.54271610 1997-12-01 69.31634010 1998-01-01 69.54271610 1998-02-01 69.49744090 1998-03-01 69.36161530 1998-04-01 70.31239460 1998-05-01 70.58404580 1998-06-01 70.85569710 1998-07-01 70.76514670 1998-08-01 71.12734830 1998-09-01 72.12340280 1998-10-01 74.29661270 1998-11-01 75.24739200 1998-12-01 75.29266730 1999-01-01 74.94831540 1999-02-01 74.37564440 1999-03-01 74.23247660 1999-04-01 74.44722820 1999-05-01 74.80514760 1999-06-01 75.01989920 1999-07-01 75.23465080 1999-08-01 75.59257020 1999-09-01 75.95048960 1999-10-01 76.45157670 1999-11-01 76.30840890 1999-12-01 76.30840890 2000-01-01 75.95048960 2000-02-01 75.59257020 2000-03-01 75.37781860 2000-04-01 75.73573800 2000-05-01 76.37999280 2000-06-01 76.59474440 2000-07-01 76.80949610 2000-08-01 76.37999280 2000-09-01 75.95048960 2000-10-01 76.37999280 2000-11-01 76.37999280 2000-12-01 76.30840890 2001-01-01 75.84869730 2001-02-01 75.77254400 2001-03-01 75.92485060 2001-04-01 76.61023040 2001-05-01 76.91484370 2001-06-01 77.14330360 2001-07-01 77.44791680 2001-08-01 77.67637680 2001-09-01 77.82868340 2001-10-01 77.90483670 2001-11-01 77.44791680 2001-12-01 77.37176350 2002-01-01 78.20944990 2002-02-01 78.81867640 2002-03-01 79.19944300 2002-04-01 80.41789590 2002-05-01 81.17942910 2002-06-01 82.24557540 2002-07-01 82.77864860 2002-08-01 82.47403530 2002-09-01 82.77864860 2002-10-01 83.31172170 2002-11-01 82.62634200 2002-12-01 82.39788200 2003-01-01 82.59035950 2003-02-01 82.91583880 2003-03-01 83.07857840 2003-04-01 82.91583880 2003-05-01 82.50898970 2003-06-01 82.02077080 2003-07-01 81.45118210 2003-08-01 81.61392180 2003-09-01 81.20707270 2003-10-01 81.20707270 2003-11-01 81.04433310 2003-12-01 80.88159350 2004-01-01 80.71885380 2004-02-01 80.88159350 2004-03-01 80.80022360 2004-04-01 81.69529160 2004-05-01 82.02077080 2004-06-01 82.02077080 2004-07-01 81.85803120 2004-08-01 82.02077080 2004-09-01 81.85803120 2004-10-01 81.85803120 2004-11-01 81.77666140 2004-12-01 81.85803120 2005-01-01 81.36981230 2005-02-01 81.53255200 2005-03-01 81.36981230 2005-04-01 81.93940100 2005-05-01 82.18351050 2005-06-01 82.26488030 2005-07-01 83.15994820 2005-08-01 83.32268780 2005-09-01 83.40405760 2005-10-01 84.05501610 2005-11-01 83.97364630 2005-12-01 83.81090670 2006-01-01 83.56679730 2006-02-01 84.05501610 2006-03-01 84.29912560 2006-04-01 85.03145390 2006-05-01 85.03145390 2006-06-01 85.11282370 2006-07-01 85.19419350 2006-08-01 85.19419350 2006-09-01 84.46186520 2006-10-01 83.89227650 2006-11-01 83.72953690 2006-12-01 83.72953690 2007-01-01 83.59710750 2007-02-01 83.34378290 2007-03-01 83.51266600 2007-04-01 83.93487360 2007-05-01 83.93487360 2007-06-01 84.52596430 2007-07-01 85.45482100 2007-08-01 86.04591170 2007-09-01 85.62370410 2007-10-01 85.70814560 2007-11-01 86.04591170 2007-12-01 86.55256080 2008-01-01 86.55256080 2008-02-01 86.38367780 2008-03-01 86.63700230 2008-04-01 87.90362520 2008-05-01 88.49471580 2008-06-01 88.57915740 2008-07-01 89.59245560 2008-08-01 90.35242930 2008-09-01 90.35242930 2008-10-01 90.43687090 2008-11-01 89.93022170 2008-12-01 89.84578020 2009-01-01 89.37636270 2009-02-01 89.28760770 2009-03-01 89.73138300 2009-04-01 90.61893380 2009-05-01 90.97395410 2009-06-01 91.77274980 2009-07-01 92.74905570 2009-08-01 93.19283110 2009-09-01 92.92656580 2009-10-01 93.10407600 2009-11-01 93.37034120 2009-12-01 93.37034120 2010-01-01 92.74905570 2010-02-01 92.48279040 2010-03-01 92.57154550 2010-04-01 93.37034120 2010-05-01 93.72536150 2010-06-01 93.99162680 2010-07-01 94.43540210 2010-08-01 94.87917750 2010-09-01 95.14544280 2010-10-01 95.41170800 2010-11-01 95.50046310 2010-12-01 95.85548340 2011-01-01 96.06006380 2011-02-01 96.34259340 2011-03-01 96.53094650 2011-04-01 97.09600570 2011-05-01 97.56688840 2011-06-01 97.94359450 2011-07-01 97.66106490 2011-08-01 98.13194760 2011-09-01 97.94359450 2011-10-01 98.03777100 2011-11-01 97.94359450 2011-12-01 97.94359450 2012-01-01 97.94359450 2012-02-01 97.94359450 2012-03-01 98.32030060 2012-04-01 99.16788940 2012-05-01 99.16788940 2012-06-01 98.88535980 2012-07-01 98.97953640 2012-08-01 100.01547800 2012-09-01 100.01547800 2012-10-01 99.82712520 2012-11-01 99.35624250 2012-12-01 99.54459560 2013-01-01 99.39454880 2013-02-01 99.39454880 2013-03-01 99.59274330 2013-04-01 99.98913230 2013-05-01 100.08823000 2013-06-01 100.88100800 2013-07-01 101.17829900 2013-08-01 101.37649400 2013-09-01 101.37649400 2013-10-01 101.67378600 2013-11-01 101.27739700 2013-12-01 101.37649400 2014-01-01 100.78191000 2014-02-01 100.58371600 2014-03-01 100.88100800 2014-04-01 100.98010500 2014-05-01 101.07920200 2014-06-01 101.37649400 2014-07-01 101.47559100 2014-08-01 101.37649400 2014-09-01 101.07920200 2014-10-01 101.37649400 2014-11-01 101.17829900 2014-12-01 101.17829900 2015-01-01 100.30333700 2015-02-01 99.59555110 2015-03-01 99.89888780 2015-04-01 100.50556100 2015-05-01 100.70778600 2015-06-01 101.01112200 2015-07-01 101.21334700 2015-08-01 101.01112200 2015-09-01 100.60667300 2015-10-01 100.70778600 2015-11-01 100.30333700 2015-12-01 100.20222400 2016-01-01 99.69666330 2016-02-01 99.39332660 2016-03-01 99.19110210 2016-04-01 99.59555110 2016-05-01 99.89888780 2016-06-01 100.20222400 2016-07-01 100.60667300 2016-08-01 100.30333700 2016-09-01 100.20222400 2016-10-01 100.40444900 2016-11-01 100.00000000 2016-12-01 100.00000000 2017-01-01 99.80000000 2017-02-01 99.80000000 2017-03-01 100.10000000 2017-04-01 100.30000000 2017-05-01 100.70000000 2017-06-01 100.00000000 2017-07-01 99.90000000 2017-08-01 100.20000000 2017-09-01 100.30000000 2017-10-01 100.60000000 2017-11-01 100.30000000 2017-12-01 100.40000000 2018-01-01 99.90000000 2018-02-01 100.00000000 2018-03-01 100.30000000 2018-04-01 100.70000000 2018-05-01 101.20000000 2018-06-01 101.30000000 2018-07-01 101.30000000 2018-08-01 101.40000000 2018-09-01 101.50000000