Month Index source base 1970-01-01 26.07941915 1970-02-01 26.15155970 1970-03-01 26.32215848 1970-04-01 26.57027608 1970-05-01 26.68899247 1970-06-01 26.83019003 1970-07-01 27.05790606 1970-08-01 27.12850484 1970-09-01 27.40218716 1970-10-01 27.50064539 1970-11-01 27.69738257 1970-12-01 27.82197920 1971-01-01 27.98892076 1971-02-01 28.16317677 1971-03-01 28.33531732 1971-04-01 28.58400861 1971-05-01 29.02932951 1971-06-01 29.24958767 1971-07-01 29.26995339 1971-08-01 29.19146648 1971-09-01 29.28723557 1971-10-01 29.53746863 1971-11-01 29.68558623 1971-12-01 29.85984224 1972-01-01 30.00372894 1972-02-01 30.05087845 1972-03-01 30.19630692 1972-04-01 30.64890642 1972-05-01 30.94610972 1972-06-01 31.09480100 1972-07-01 31.31082825 1972-08-01 31.51498745 1972-09-01 31.81731804 1972-10-01 32.04026533 1972-11-01 32.23911796 1972-12-01 32.38877734 1973-01-01 32.53861599 1973-02-01 32.85830047 1973-03-01 33.10527071 1973-04-01 33.55510936 1973-05-01 33.87325206 1973-06-01 34.15987809 1973-07-01 34.46898530 1973-08-01 34.73477949 1973-09-01 35.12889925 1973-10-01 35.45919684 1973-11-01 35.78852635 1973-12-01 37.16522051 1974-01-01 37.65715310 1974-02-01 37.90552169 1974-03-01 38.09365364 1974-04-01 38.45579061 1974-05-01 38.67041951 1974-06-01 40.17264252 1974-07-01 40.61150950 1974-08-01 40.90150592 1974-09-01 41.62997490 1974-10-01 42.11280029 1974-11-01 42.80017928 1974-12-01 43.01409107 1975-01-01 43.14851201 1975-02-01 43.29028326 1975-03-01 43.56299749 1975-04-01 43.89071352 1975-05-01 44.26292578 1975-06-01 44.66012908 1975-07-01 44.95743994 1975-08-01 45.20835425 1975-09-01 45.50982431 1975-10-01 45.81193976 1975-11-01 46.11520258 1975-12-01 46.23711008 1976-01-01 46.58522768 1976-02-01 46.98512011 1976-03-01 47.20749373 1976-04-01 47.88608820 1976-05-01 48.38691287 1976-06-01 48.88085335 1976-07-01 49.57346719 1976-08-01 50.08293295 1976-09-01 50.86009322 1976-10-01 51.28942273 1976-11-01 51.50871280 1976-12-01 51.75568304 1977-01-01 52.02251703 1977-02-01 52.43033345 1977-03-01 52.64636070 1977-04-01 53.26131230 1977-05-01 53.70778057 1977-06-01 53.97038365 1977-07-01 54.21330226 1977-08-01 54.50319111 1977-09-01 54.57070635 1977-10-01 55.01871639 1977-11-01 55.08777340 1977-12-01 55.31014701 1978-01-01 55.38189315 1978-02-01 55.75449982 1978-03-01 55.97533166 1978-04-01 56.48325565 1978-05-01 56.92972392 1978-06-01 57.29752599 1978-07-01 57.44044460 1978-08-01 57.65550376 1978-09-01 57.79727501 1978-10-01 57.42301900 1978-11-01 57.46747938 1978-12-01 57.69304410 1979-01-01 57.84116171 1979-02-01 57.98447472 1979-03-01 58.13259233 1979-04-01 59.00046612 1979-05-01 59.39709573 1979-06-01 59.94109000 1979-07-01 60.21911079 1979-08-01 60.55586232 1979-09-01 61.11384009 1979-10-01 61.62793116 1979-11-01 61.90652564 1979-12-01 62.52323413 1980-01-01 62.82190749 1980-02-01 63.65288634 1980-03-01 64.20767300 1980-04-01 68.33008247 1980-05-01 68.96249552 1980-06-01 69.27350305 1980-07-01 69.64191466 1980-08-01 69.77579778 1980-09-01 69.92441735 1980-10-01 69.91882395 1980-11-01 70.11025457 1980-12-01 70.30168519 1981-01-01 70.45209753 1981-02-01 70.62481176 1981-03-01 70.74352815 1981-04-01 71.13667981 1981-05-01 71.66801721 1981-06-01 71.95148799 1981-07-01 72.14668340 1981-08-01 72.34661169 1981-09-01 72.62560057 1981-10-01 72.78537110 1981-11-01 73.12047329 1981-12-01 73.26378630 1982-01-01 73.41247759 1982-02-01 73.51190391 1982-03-01 73.68827537 1982-04-01 74.12918609 1982-05-01 74.38210828 1982-06-01 74.62907852 1982-07-01 74.77199713 1982-08-01 75.02803872 1982-09-01 75.21394765 1982-10-01 75.24065973 1982-11-01 75.35206167 1982-12-01 75.48691287 1983-01-01 75.50580853 1983-02-01 75.58225170 1983-03-01 75.58443887 1983-04-01 75.70878451 1983-05-01 76.07927573 1983-06-01 76.22642524 1983-07-01 76.34051631 1983-08-01 76.41111510 1983-09-01 76.48594478 1983-10-01 76.57038365 1983-11-01 76.66238795 1983-12-01 76.44342058 1984-01-01 76.43495877 1984-02-01 76.61247759 1984-03-01 76.69153819 1984-04-01 76.95471495 1984-05-01 77.17873790 1984-06-01 77.32262460 1984-07-01 77.39110792 1984-08-01 77.54134098 1984-09-01 77.67278594 1984-10-01 77.78278953 1984-11-01 77.84865543 1984-12-01 77.88415203 1985-01-01 77.90362137 1985-02-01 77.92291144 1985-03-01 78.06833991 1985-04-01 78.27120832 1985-05-01 78.56955898 1985-06-01 78.67013266 1985-07-01 78.71401936 1985-08-01 78.78633919 1985-09-01 78.86174256 1985-10-01 78.93348871 1985-11-01 79.00204374 1985-12-01 79.16887773 1986-01-01 79.14216565 1986-02-01 79.21276443 1986-03-01 79.33359627 1986-04-01 79.48418788 1986-05-01 79.65640014 1986-06-01 78.50150592 1986-07-01 78.43535317 1986-08-01 78.42793116 1986-09-01 78.39437074 1986-10-01 78.40835425 1986-11-01 78.24334887 1986-12-01 78.23804231 1987-01-01 77.83320186 1987-02-01 77.93155253 1987-03-01 78.00638222 1987-04-01 78.28716386 1987-05-01 78.43739692 1987-06-01 79.03603442 1987-07-01 79.26052349 1987-08-01 79.26052349 1987-09-01 79.33592686 1987-10-01 79.48404446 1987-11-01 79.45733238 1987-12-01 79.40390821 1988-01-01 79.08393689 1988-02-01 79.17805665 1988-03-01 79.22617426 1988-04-01 79.35331660 1988-05-01 79.37472212 1988-06-01 79.55166726 1988-07-01 79.62438150 1988-08-01 79.62438150 1988-09-01 79.77404087 1988-10-01 79.82215848 1988-11-01 80.01839369 1988-12-01 80.03979921 1989-01-01 80.11251345 1989-02-01 80.21405522 1989-03-01 80.36159914 1989-04-01 80.76407314 1989-05-01 81.04216565 1989-06-01 81.46608103 1989-07-01 81.64091072 1989-08-01 81.66339190 1989-09-01 81.73456436 1989-10-01 81.90727859 1989-11-01 81.95493008 1989-12-01 82.12918609 1990-01-01 82.47827178 1990-02-01 82.54887056 1990-03-01 82.64406597 1990-04-01 82.99967730 1990-05-01 83.16873431 1990-06-01 83.49110792 1990-07-01 83.68996056 1990-08-01 83.76267479 1990-09-01 83.91609896 1990-10-01 84.51147365 1990-11-01 85.10211545 1990-12-01 85.33036931 1991-01-01 85.37214055 1991-02-01 85.40860523 1991-03-01 85.39964145 1991-04-01 85.53936895 1991-05-01 85.76020079 1991-06-01 86.05528863 1991-07-01 86.35152384 1991-08-01 86.42000717 1991-09-01 86.48906418 1991-10-01 86.63449265 1991-11-01 86.70720688 1991-12-01 86.87934744 1992-01-01 87.02477591 1992-02-01 87.07077806 1992-03-01 87.21620653 1992-04-01 87.62986734 1992-05-01 87.92782359 1992-06-01 88.24962352 1992-07-01 88.39351022 1992-08-01 88.46410900 1992-09-01 88.56256723 1992-10-01 88.83836501 1992-11-01 88.93682323 1992-12-01 89.08436716 1993-01-01 89.15553962 1993-02-01 89.30096809 1993-03-01 89.44851201 1993-04-01 89.71036214 1993-05-01 90.00813912 1993-06-01 90.10659735 1993-07-01 90.32897096 1993-08-01 90.40225887 1993-09-01 90.54980280 1993-10-01 90.59792040 1993-11-01 90.55847974 1993-12-01 90.70602366 1994-01-01 90.75259950 1994-02-01 90.90014342 1994-03-01 90.97497311 1994-04-01 91.18282539 1994-05-01 91.33036931 1994-06-01 91.63517390 1994-07-01 91.70846181 1994-08-01 91.81000359 1994-09-01 92.03449265 1994-10-01 92.10720688 1994-11-01 92.33169595 1994-12-01 92.30286841 1995-01-01 92.45367515 1995-02-01 92.47852277 1995-03-01 92.47852277 1995-04-01 92.66120473 1995-05-01 92.81086411 1995-06-01 92.96109717 1995-07-01 93.08461814 1995-08-01 93.15944783 1995-09-01 93.23696665 1995-10-01 93.38662603 1995-11-01 93.38719971 1995-12-01 93.36106131 1996-01-01 93.14166368 1996-02-01 93.31860882 1996-03-01 93.34532090 1996-04-01 93.63829330 1996-05-01 93.81695948 1996-06-01 93.96661886 1996-07-01 94.15589817 1996-08-01 94.30555755 1996-09-01 94.38038724 1996-10-01 94.53323772 1996-11-01 94.55994980 1996-12-01 94.68820366 1997-01-01 94.89659376 1997-02-01 94.92119039 1997-03-01 95.02330584 1997-04-01 95.76837576 1997-05-01 96.17830764 1997-06-01 96.40942990 1997-07-01 96.48590893 1997-08-01 96.55439226 1997-09-01 96.55227680 1997-10-01 96.62287558 1997-11-01 96.59193259 1997-12-01 96.63581929 1998-01-01 96.57457870 1998-02-01 96.24238078 1998-03-01 96.21143779 1998-04-01 96.07171029 1998-05-01 96.14230907 1998-06-01 96.23883112 1998-07-01 96.23997849 1998-08-01 96.23997849 1998-09-01 96.19186088 1998-10-01 96.03158838 1998-11-01 96.03370384 1998-12-01 95.90544998 1999-01-01 95.87931158 1999-02-01 95.77988526 1999-03-01 95.85471495 1999-04-01 95.72344926 1999-05-01 95.72344926 1999-06-01 95.89982072 1999-07-01 95.82197920 1999-08-01 95.82197920 1999-09-01 95.82197920 1999-10-01 95.92882754 1999-11-01 95.98225170 1999-12-01 95.98225170 2000-01-01 96.04327716 2000-02-01 96.09139477 2000-03-01 96.12022230 2000-04-01 96.13255647 2000-05-01 96.45858731 2000-06-01 96.45973467 2000-07-01 96.59386877 2000-08-01 96.52115454 2000-09-01 96.52115454 2000-10-01 96.27543923 2000-11-01 96.40580853 2000-12-01 96.38440301 2001-01-01 96.36511294 2001-02-01 96.33840086 2001-03-01 96.33840086 2001-04-01 96.65274292 2001-05-01 96.65274292 2001-06-01 96.68157046 2001-07-01 96.75697383 2001-08-01 96.76120473 2001-09-01 96.76332019 2001-10-01 96.82000717 2001-11-01 96.79329509 2001-12-01 96.84352815 2002-01-01 96.74410183 2002-02-01 96.74467551 2002-03-01 96.69336680 2002-04-01 96.41097167 2002-05-01 96.26131230 2002-06-01 96.26342775 2002-07-01 96.28694873 2002-08-01 96.21211904 2002-09-01 96.16081033 2002-10-01 95.97594120 2002-11-01 95.92993905 2002-12-01 96.00476873 2003-01-01 96.03359627 2003-02-01 96.06242381 2003-03-01 96.06242381 2003-04-01 96.20039441 2003-05-01 96.20039441 2003-06-01 96.25062747 2003-07-01 96.27733955 2003-08-01 96.27733955 2003-09-01 96.20250986 2003-10-01 96.10308354 2003-11-01 96.10308354 2003-12-01 96.10308354 2004-01-01 95.97482969 2004-02-01 96.04965938 2004-03-01 96.04965938 2004-04-01 96.02753675 2004-05-01 95.95270706 2004-06-01 95.97999283 2004-07-01 96.00670491 2004-08-01 95.95858731 2004-09-01 95.96389387 2004-10-01 96.01412693 2004-11-01 96.09426318 2004-12-01 96.12097526 2005-01-01 96.01470061 2005-02-01 96.01470061 2005-03-01 96.01470061 2005-04-01 96.01853711 2005-05-01 96.04524919 2005-06-01 96.04582288 2005-07-01 95.97099319 2005-08-01 96.02441735 2005-09-01 96.15267121 2005-10-01 96.36905701 2005-11-01 96.39519541 2005-12-01 96.55016135 2006-01-01 96.89684475 2006-02-01 97.10311940 2006-03-01 96.95346002 2006-04-01 96.87561850 2006-05-01 97.02846899 2006-06-01 97.02846899 2006-07-01 96.92595913 2006-08-01 96.93126569 2006-09-01 96.85643600 2006-10-01 96.82972392 2006-11-01 96.74958767 2006-12-01 96.72076013 2007-01-01 96.95586232 2007-02-01 96.87572607 2007-03-01 96.80089638 2007-04-01 96.80882037 2007-05-01 96.88895662 2007-06-01 96.91566870 2007-07-01 96.88895662 2007-08-01 96.96909286 2007-09-01 96.96909286 2007-10-01 97.10265328 2007-11-01 97.31634995 2007-12-01 97.65830047 2008-01-01 97.87199713 2008-02-01 97.86988168 2008-03-01 97.86988168 2008-04-01 98.10989602 2008-05-01 98.21462890 2008-06-01 98.60788813 2008-07-01 99.14001434 2008-08-01 99.29662962 2008-09-01 99.18555038 2008-10-01 99.07447114 2008-11-01 98.53008247 2008-12-01 98.12517031 2009-01-01 98.37163858 2009-02-01 98.27009681 2009-03-01 98.13711008 2009-04-01 98.05984224 2009-05-01 97.39204016 2009-06-01 97.17834349 2009-07-01 96.96733596 2009-08-01 96.86260308 2009-09-01 96.75998566 2009-10-01 96.63653639 2009-11-01 96.66747938 2009-12-01 96.70372894 2010-01-01 96.84689853 2010-02-01 96.90562926 2010-03-01 96.98576551 2010-04-01 96.90620294 2010-05-01 96.99164575 2010-06-01 97.04506992 2010-07-01 97.09849408 2010-08-01 97.20534242 2010-09-01 97.23205450 2010-10-01 97.18049480 2010-11-01 97.07364647 2010-12-01 97.07364647 2011-01-01 97.12707063 2011-02-01 97.18049480 2011-03-01 97.23922553 2011-04-01 97.33861599 2011-05-01 97.60043026 2011-06-01 97.60573682 2011-07-01 97.73929724 2011-08-01 97.89956974 2011-09-01 97.90487630 2011-10-01 97.98501255 2011-11-01 98.04187881 2011-12-01 98.09530298 2012-01-01 97.96704912 2012-02-01 97.99376120 2012-03-01 98.15403370 2012-04-01 98.21333811 2012-05-01 98.21333811 2012-06-01 98.18662603 2012-07-01 98.13850843 2012-08-01 98.35220509 2012-09-01 98.69946217 2012-10-01 98.57120832 2012-11-01 98.49107207 2012-12-01 98.49107207 2013-01-01 98.38953030 2013-02-01 98.41624238 2013-03-01 98.41624238 2013-04-01 98.46808892 2013-05-01 99.05231266 2013-06-01 99.21789172 2013-07-01 99.43158838 2013-08-01 99.53843672 2013-09-01 99.72886339 2013-10-01 99.68074579 2013-11-01 99.67543923 2013-12-01 99.54718537 2014-01-01 99.57389745 2014-02-01 99.62732162 2014-03-01 99.76088204 2014-04-01 100.21986380 2014-05-01 101.34177120 2014-06-01 101.45098600 2014-07-01 101.42427390 2014-08-01 101.29602010 2014-09-01 101.21588380 2014-10-01 101.07095730 2014-11-01 101.01753320 2014-12-01 100.91068480 2015-01-01 100.70046610 2015-02-01 100.65259950 2015-03-01 100.83958410 2015-04-01 100.77927570 2015-05-01 100.80598780 2015-06-01 100.45873070 2015-07-01 99.95120115 2015-08-01 99.55051990 2015-09-01 99.14983865 2015-10-01 99.11280029 2015-11-01 99.06468268 2015-12-01 99.01125852 2016-01-01 98.74944425 2016-02-01 98.56245966 2016-03-01 98.45030477 2016-04-01 98.23775547 2016-05-01 98.21634995 2016-06-01 97.97594120 2016-07-01 97.78895662 2016-08-01 97.50043026 2016-09-01 97.36686985 2016-10-01 97.34015776 2016-11-01 97.42029401 2016-12-01 97.63399068 2017-01-01 97.76887773 2017-02-01 97.85432054 2017-03-01 98.08942273 2017-04-01 98.30369308 2017-05-01 98.60283256 2017-06-01 98.68354249 2017-07-01 98.68354249 2017-08-01 98.65683041 2017-09-01 98.71025457 2017-10-01 98.76367874 2017-11-01 98.76367874 2017-12-01 98.71556113 2018-01-01 98.74227322 2018-02-01 98.84912155 2018-03-01 98.92925780 2018-04-01 99.04377913 2018-05-01 99.28418788 2018-06-01 99.44446038 2018-07-01 99.39103621 2018-08-01 99.44446038 2018-09-01 99.57802080