Month Index 2015=100 1970-01-01 42.26591696 1970-02-01 42.31141869 1970-03-01 42.31141869 1970-04-01 42.31141869 1970-05-01 42.24878893 1970-06-01 42.24878893 1970-07-01 42.24878893 1970-08-01 42.24878893 1970-09-01 42.30847751 1970-10-01 42.38944637 1970-11-01 42.43200692 1970-12-01 42.48460208 1971-01-01 42.53719723 1971-02-01 42.55847751 1971-03-01 42.59688581 1971-04-01 42.58788927 1971-05-01 42.62629758 1971-06-01 42.68892734 1971-07-01 42.68892734 1971-08-01 42.72733564 1971-09-01 42.73442907 1971-10-01 42.77993080 1971-11-01 42.77993080 1971-12-01 42.78702422 1972-01-01 42.78702422 1972-02-01 42.77993080 1972-03-01 42.77283737 1972-04-01 42.67993080 1972-05-01 42.67283737 1972-06-01 42.67283737 1972-07-01 42.70415225 1972-08-01 43.17387543 1972-09-01 43.17387543 1972-10-01 43.17387543 1972-11-01 43.28200692 1972-12-01 43.28200692 1973-01-01 43.31332180 1973-02-01 43.32750865 1973-03-01 43.40432526 1973-04-01 43.56505190 1973-05-01 43.59636678 1973-06-01 43.48737024 1973-07-01 43.53287197 1973-08-01 43.60968858 1973-09-01 43.66937716 1973-10-01 44.20899654 1973-11-01 44.44775087 1973-12-01 46.17664360 1974-01-01 46.47993080 1974-02-01 46.40311419 1974-03-01 46.38892734 1974-04-01 46.42024221 1974-05-01 46.46574394 1974-06-01 54.57335640 1974-07-01 54.67560554 1974-08-01 54.79792388 1974-09-01 56.63961938 1974-10-01 56.95397924 1974-11-01 57.84913495 1974-12-01 57.84913495 1975-01-01 56.40916955 1975-02-01 56.44342561 1975-03-01 56.59290657 1975-04-01 56.58581315 1975-05-01 56.61003460 1975-06-01 56.64844291 1975-07-01 56.74065744 1975-08-01 56.83581315 1975-09-01 56.87837370 1975-10-01 56.97352941 1975-11-01 57.03321799 1975-12-01 57.07577855 1976-01-01 57.12837370 1976-02-01 57.13546713 1976-03-01 57.13546713 1976-04-01 57.14256055 1976-05-01 57.13546713 1976-06-01 57.25778547 1976-07-01 59.87647059 1976-08-01 61.59013841 1976-09-01 65.83096886 1976-10-01 66.47145329 1976-11-01 66.47854671 1976-12-01 66.48564014 1977-01-01 66.47854671 1977-02-01 67.01089965 1977-03-01 67.01089965 1977-04-01 67.22802768 1977-05-01 67.26643599 1977-06-01 67.17249135 1977-07-01 67.20380623 1977-08-01 67.20380623 1977-09-01 67.20380623 1977-10-01 67.21089965 1977-11-01 67.24930796 1977-12-01 67.23512111 1978-01-01 67.22387543 1978-02-01 67.18840830 1978-03-01 67.17422145 1978-04-01 67.15294118 1978-05-01 67.14584775 1978-06-01 67.14584775 1978-07-01 67.14584775 1978-08-01 67.14584775 1978-09-01 67.11747405 1978-10-01 63.01868512 1978-11-01 62.93062284 1978-12-01 62.87802768 1979-01-01 62.85674740 1979-02-01 62.85674740 1979-03-01 62.85674740 1979-04-01 66.87456747 1979-05-01 66.89584775 1979-06-01 67.60813149 1979-07-01 67.89480969 1979-08-01 68.45449827 1979-09-01 69.06435986 1979-10-01 69.80536332 1979-11-01 70.10259516 1979-12-01 70.93771626 1980-01-01 71.13581315 1980-02-01 73.16453287 1980-03-01 73.76660900 1980-04-01 96.22145329 1980-05-01 96.80709343 1980-06-01 96.94359862 1980-07-01 97.72006920 1980-08-01 97.77145329 1980-09-01 98.01782007 1980-10-01 98.07006920 1980-11-01 97.99913495 1980-12-01 97.96660900 1981-01-01 97.93823529 1981-02-01 97.91695502 1981-03-01 97.93408304 1981-04-01 97.92698962 1981-05-01 98.26038062 1981-06-01 98.33840830 1981-07-01 98.35968858 1981-08-01 98.66470588 1981-09-01 98.79238754 1981-10-01 99.30155709 1981-11-01 99.30865052 1981-12-01 99.30155709 1982-01-01 99.31868512 1982-02-01 99.29740484 1982-03-01 99.29031142 1982-04-01 99.31453287 1982-05-01 99.38840830 1982-06-01 99.42387543 1982-07-01 99.44515571 1982-08-01 99.76435986 1982-09-01 99.93460208 1982-10-01 99.98425606 1982-11-01 99.97006920 1982-12-01 99.93460208 1983-01-01 99.86366782 1983-02-01 99.65795848 1983-03-01 99.50190311 1983-04-01 99.28200692 1983-05-01 99.24238754 1983-06-01 99.26245675 1983-07-01 99.20570934 1983-08-01 99.14896194 1983-09-01 99.17318339 1983-10-01 99.16608997 1983-11-01 99.05259516 1983-12-01 98.86107266 1984-01-01 98.76176471 1984-02-01 98.85397924 1984-03-01 98.85397924 1984-04-01 98.83979239 1984-05-01 98.83269896 1984-06-01 98.80432526 1984-07-01 98.79013841 1984-08-01 98.79013841 1984-09-01 98.97456747 1984-10-01 99.02422145 1984-11-01 98.87525952 1984-12-01 98.70086505 1985-01-01 98.58027682 1985-02-01 98.47387543 1985-03-01 98.44550173 1985-04-01 98.42422145 1985-05-01 98.41712803 1985-06-01 98.41712803 1985-07-01 98.40294118 1985-08-01 98.39584775 1985-09-01 98.38875433 1985-10-01 98.36038062 1985-11-01 98.19723183 1985-12-01 98.09083045 1986-01-01 98.02698962 1986-02-01 98.00570934 1986-03-01 97.96314879 1986-04-01 97.84965398 1986-05-01 97.70484429 1986-06-01 90.56332180 1986-07-01 89.90034602 1986-08-01 89.71003460 1986-09-01 89.51851211 1986-10-01 89.21349481 1986-11-01 88.69273356 1986-12-01 88.47283737 1987-01-01 85.70363322 1987-02-01 85.55951557 1987-03-01 85.52525952 1987-04-01 85.54065744 1987-05-01 85.54775087 1987-06-01 85.54065744 1987-07-01 85.52647059 1987-08-01 85.52647059 1987-09-01 85.51937716 1987-10-01 85.49809689 1987-11-01 85.43425606 1987-12-01 85.30657439 1988-01-01 83.60986159 1988-02-01 83.49342561 1988-03-01 83.38114187 1988-04-01 83.18910035 1988-05-01 83.11228374 1988-06-01 83.07387543 1988-07-01 83.07387543 1988-08-01 83.08096886 1988-09-01 83.07387543 1988-10-01 83.05259516 1988-11-01 82.91782007 1988-12-01 82.83979239 1989-01-01 82.83269896 1989-02-01 82.83685121 1989-03-01 82.84394464 1989-04-01 81.47802768 1989-05-01 81.33581315 1989-06-01 81.40259516 1989-07-01 81.47352941 1989-08-01 81.48771626 1989-09-01 81.51608997 1989-10-01 81.57283737 1989-11-01 81.69342561 1989-12-01 81.75726644 1990-01-01 81.73598616 1990-02-01 81.80692042 1990-03-01 81.90207612 1990-04-01 81.95467128 1990-05-01 82.04152249 1990-06-01 82.11124567 1990-07-01 82.23650519 1990-08-01 82.31332180 1990-09-01 82.45103806 1990-10-01 83.54100346 1990-11-01 84.40086505 1990-12-01 84.68979239 1991-01-01 84.53667820 1991-02-01 84.36228374 1991-03-01 84.11816609 1991-04-01 83.90951557 1991-05-01 83.82560554 1991-06-01 83.78010381 1991-07-01 83.77301038 1991-08-01 83.79723183 1991-09-01 83.79013841 1991-10-01 83.79723183 1991-11-01 83.86816609 1991-12-01 83.88944637 1992-01-01 83.91366782 1992-02-01 83.82145329 1992-03-01 83.83148789 1992-04-01 83.78892734 1992-05-01 83.77474048 1992-06-01 83.77474048 1992-07-01 83.79896194 1992-08-01 83.80605536 1992-09-01 83.87283737 1992-10-01 83.92249135 1992-11-01 83.95795848 1992-12-01 84.01055363 1993-01-01 84.02474048 1993-02-01 84.01764706 1993-03-01 84.01055363 1993-04-01 83.99636678 1993-05-01 84.01349481 1993-06-01 84.01349481 1993-07-01 84.00640138 1993-08-01 83.99221453 1993-09-01 83.97093426 1993-10-01 83.88806228 1993-11-01 82.78823529 1993-12-01 82.71141869 1994-01-01 82.71141869 1994-02-01 82.69723183 1994-03-01 82.69013841 1994-04-01 82.67595156 1994-05-01 82.66885813 1994-06-01 82.66885813 1994-07-01 82.66176471 1994-08-01 82.66176471 1994-09-01 82.65467128 1994-10-01 82.61730104 1994-11-01 82.59602076 1994-12-01 82.53927336 1995-01-01 82.53217993 1995-02-01 82.50380623 1995-03-01 82.49671280 1995-04-01 82.50674740 1995-05-01 82.53096886 1995-06-01 82.51678201 1995-07-01 82.44809689 1995-08-01 82.44100346 1995-09-01 82.43391003 1995-10-01 82.42681661 1995-11-01 82.42681661 1995-12-01 82.39844291 1996-01-01 80.32041522 1996-02-01 80.39429066 1996-03-01 80.44688581 1996-04-01 80.61591696 1996-05-01 80.65847751 1996-06-01 80.67266436 1996-07-01 81.50570934 1996-08-01 81.50570934 1996-09-01 81.51280277 1996-10-01 81.80570934 1996-11-01 81.92629758 1996-12-01 82.08114187 1997-01-01 82.53166090 1997-02-01 82.74792388 1997-03-01 82.77923875 1997-04-01 84.34463668 1997-05-01 85.08079585 1997-06-01 85.09792388 1997-07-01 85.58667820 1997-08-01 85.57249135 1997-09-01 85.57249135 1997-10-01 85.43096886 1997-11-01 85.32871972 1997-12-01 85.31747405 1998-01-01 84.70138408 1998-02-01 82.32543253 1998-03-01 82.24740484 1998-04-01 82.13512111 1998-05-01 82.12093426 1998-06-01 82.07543253 1998-07-01 82.10674740 1998-08-01 82.10674740 1998-09-01 82.10674740 1998-10-01 81.37128028 1998-11-01 81.29325260 1998-12-01 81.22231834 1999-01-01 81.09394464 1999-02-01 80.98581315 1999-03-01 80.95743945 1999-04-01 80.23235294 1999-05-01 80.20813149 1999-06-01 80.25363322 1999-07-01 79.85986159 1999-08-01 79.87404844 1999-09-01 79.91660900 1999-10-01 80.41453287 1999-11-01 80.53391003 1999-12-01 80.55224913 2000-01-01 81.12283737 2000-02-01 81.08442907 2000-03-01 81.10570934 2000-04-01 81.63702422 2000-05-01 81.68252595 2000-06-01 81.68961938 2000-07-01 82.33892734 2000-08-01 82.34602076 2000-09-01 82.36020761 2000-10-01 80.47456747 2000-11-01 80.64775087 2000-12-01 80.71159170 2001-01-01 81.06608997 2001-02-01 80.95795848 2001-03-01 80.98927336 2001-04-01 81.47698962 2001-05-01 81.46989619 2001-06-01 81.46989619 2001-07-01 81.40224913 2001-08-01 81.39515571 2001-09-01 81.38806228 2001-10-01 81.72024221 2001-11-01 81.66349481 2001-12-01 81.55000000 2002-01-01 81.40743945 2002-02-01 81.35778547 2002-03-01 81.24256055 2002-04-01 79.84809689 2002-05-01 79.86937716 2002-06-01 79.84515571 2002-07-01 79.60484429 2002-08-01 79.59065744 2002-09-01 79.28269896 2002-10-01 78.41937716 2002-11-01 78.46193772 2002-12-01 78.45899654 2003-01-01 78.46833910 2003-02-01 78.50380623 2003-03-01 78.55346021 2003-04-01 78.97577855 2003-05-01 78.96868512 2003-06-01 78.94740484 2003-07-01 79.11903114 2003-08-01 79.11903114 2003-09-01 79.11903114 2003-10-01 78.93615917 2003-11-01 78.91487889 2003-12-01 78.87941176 2004-01-01 78.82681661 2004-02-01 78.78131488 2004-03-01 78.78131488 2004-04-01 78.46228374 2004-05-01 78.43806228 2004-06-01 78.54446367 2004-07-01 78.69602076 2004-08-01 78.71020761 2004-09-01 78.96557093 2004-10-01 78.68927336 2004-11-01 78.95761246 2004-12-01 79.07698962 2005-01-01 78.55882353 2005-02-01 78.52750865 2005-03-01 78.53460208 2005-04-01 78.32698962 2005-05-01 78.39792388 2005-06-01 78.39083045 2005-07-01 78.30622837 2005-08-01 78.45519031 2005-09-01 78.62543253 2005-10-01 79.53269896 2005-11-01 79.71176471 2005-12-01 79.90380623 2006-01-01 81.42906574 2006-02-01 81.89065744 2006-03-01 81.92785467 2006-04-01 81.42906574 2006-05-01 81.57093426 2006-06-01 81.59221453 2006-07-01 81.37923875 2006-08-01 81.65173010 2006-09-01 81.68010381 2006-10-01 81.71297578 2006-11-01 81.46176471 2006-12-01 81.39083045 2007-01-01 82.07335640 2007-02-01 81.85346021 2007-03-01 81.80380623 2007-04-01 81.61712803 2007-05-01 81.87958478 2007-06-01 81.95051903 2007-07-01 81.82854671 2007-08-01 82.03304498 2007-09-01 82.05726644 2007-10-01 82.75622837 2007-11-01 83.42058824 2007-12-01 84.35622837 2008-01-01 85.36314879 2008-02-01 85.41747405 2008-03-01 85.42456747 2008-04-01 86.57076125 2008-05-01 86.77768166 2008-06-01 87.86591696 2008-07-01 90.02076125 2008-08-01 90.53494810 2008-09-01 90.15622837 2008-10-01 90.05380623 2008-11-01 88.36972318 2008-12-01 87.06574394 2009-01-01 89.13754325 2009-02-01 89.01522491 2009-03-01 88.59083045 2009-04-01 88.09065744 2009-05-01 84.65761246 2009-06-01 83.50051903 2009-07-01 82.53979239 2009-08-01 81.94913495 2009-09-01 81.34065744 2009-10-01 81.02664360 2009-11-01 81.13564014 2009-12-01 81.59948097 2010-01-01 82.05121107 2010-02-01 82.70051903 2010-03-01 83.04480969 2010-04-01 82.56972318 2010-05-01 83.29117647 2010-06-01 83.47283737 2010-07-01 83.77352941 2010-08-01 84.33287197 2010-09-01 84.43252595 2010-10-01 84.41124567 2010-11-01 83.94775087 2010-12-01 83.88062284 2011-01-01 84.09117647 2011-02-01 84.26176471 2011-03-01 84.77612457 2011-04-01 85.51332180 2011-05-01 86.20743945 2011-06-01 86.63615917 2011-07-01 87.30934256 2011-08-01 87.95155709 2011-09-01 88.38096886 2011-10-01 88.80726644 2011-11-01 89.15865052 2011-12-01 89.36314879 2012-01-01 89.21989619 2012-02-01 89.28373702 2012-03-01 89.92889273 2012-04-01 90.47577855 2012-05-01 90.49048443 2012-06-01 90.45259516 2012-07-01 90.63252595 2012-08-01 91.61003460 2012-09-01 93.25363322 2012-10-01 93.00830450 2012-11-01 92.66660900 2012-12-01 92.69048443 2013-01-01 92.42802768 2013-02-01 92.43875433 2013-03-01 92.42941176 2013-04-01 93.14273356 2013-05-01 95.80709343 2013-06-01 96.99152249 2013-07-01 97.89757785 2013-08-01 98.38685121 2013-09-01 99.42820069 2013-10-01 99.46764706 2013-11-01 99.09532872 2013-12-01 98.87750865 2014-01-01 98.87110727 2014-02-01 99.18096886 2014-03-01 99.80588235 2014-04-01 101.14480970 2014-05-01 105.74065740 2014-06-01 105.89515570 2014-07-01 105.75000000 2014-08-01 105.50259520 2014-09-01 105.14809690 2014-10-01 104.67525950 2014-11-01 104.43788930 2014-12-01 103.99740480 2015-01-01 103.26816610 2015-02-01 103.19429070 2015-03-01 104.03010380 2015-04-01 103.73217990 2015-05-01 103.87750870 2015-06-01 102.13062280 2015-07-01 99.73633218 2015-08-01 97.81107266 2015-09-01 95.78546713 2015-10-01 95.51280277 2015-11-01 95.58581315 2015-12-01 95.37404844 2016-01-01 94.40449827 2016-02-01 93.47508651 2016-03-01 92.67318339 2016-04-01 91.54636678 2016-05-01 91.80173010 2016-06-01 90.64394464 2016-07-01 89.68875433 2016-08-01 88.65155709 2016-09-01 88.04463668 2016-10-01 87.91522491 2016-11-01 88.27837370 2016-12-01 89.23806228 2017-01-01 90.06176471 2017-02-01 90.76782007 2017-03-01 91.54325260 2017-04-01 92.58927336 2017-05-01 94.34826990 2017-06-01 94.70242215 2017-07-01 94.67698962 2017-08-01 94.64065744 2017-09-01 94.82647059 2017-10-01 94.96937716 2017-11-01 95.03408304 2017-12-01 95.16626298 2018-01-01 95.32716263 2018-02-01 95.75121107 2018-03-01 96.22179931 2018-04-01 96.78823529 2018-05-01 97.94861592 2018-06-01 98.64653979 2018-07-01 98.38217993 2018-08-01 98.71539792 2018-09-01 99.34273356