Month Index source base 1970-01-01 38.39325153 1970-02-01 38.39325153 1970-03-01 38.39325153 1970-04-01 38.39325153 1970-05-01 38.39325153 1970-06-01 38.46625767 1970-07-01 38.46625767 1970-08-01 38.46625767 1970-09-01 38.68527607 1970-10-01 40.14539877 1970-11-01 40.65644172 1970-12-01 40.65644172 1971-01-01 40.72944785 1971-02-01 40.72944785 1971-03-01 40.72944785 1971-04-01 40.72944785 1971-05-01 40.72944785 1971-06-01 40.72944785 1971-07-01 40.72944785 1971-08-01 40.72944785 1971-09-01 40.72944785 1971-10-01 40.72944785 1971-11-01 40.72944785 1971-12-01 40.72944785 1972-01-01 40.72944785 1972-02-01 40.72944785 1972-03-01 40.72944785 1972-04-01 40.72944785 1972-05-01 40.72944785 1972-06-01 40.72944785 1972-07-01 40.72944785 1972-08-01 40.72944785 1972-09-01 40.72944785 1972-10-01 40.72944785 1972-11-01 40.72944785 1972-12-01 40.72944785 1973-01-01 40.72944785 1973-02-01 40.72944785 1973-03-01 40.72944785 1973-04-01 40.72944785 1973-05-01 40.80245399 1973-06-01 42.99263804 1973-07-01 43.06564417 1973-08-01 43.06564417 1973-09-01 43.06564417 1973-10-01 43.86871166 1973-11-01 44.45276074 1973-12-01 44.45276074 1974-01-01 44.52576687 1974-02-01 44.81779141 1974-03-01 44.81779141 1974-04-01 44.81779141 1974-05-01 49.12515337 1974-06-01 49.63619632 1974-07-01 50.07423313 1974-08-01 50.07423313 1974-09-01 50.07423313 1974-10-01 50.07423313 1974-11-01 50.07423313 1974-12-01 50.07423313 1975-01-01 50.07423313 1975-02-01 50.07423313 1975-03-01 50.07423313 1975-04-01 50.14723926 1975-05-01 50.43926380 1975-06-01 51.02331288 1975-07-01 51.16932515 1975-08-01 51.97239264 1975-09-01 52.84846626 1975-10-01 53.28650307 1975-11-01 53.43251534 1975-12-01 53.43251534 1976-01-01 58.94601227 1976-02-01 59.01901840 1976-03-01 59.09202454 1976-04-01 59.09202454 1976-05-01 59.09202454 1976-06-01 59.09202454 1976-07-01 59.09202454 1976-08-01 59.09202454 1976-09-01 59.09202454 1976-10-01 59.09202454 1976-11-01 59.09202454 1976-12-01 59.09202454 1977-01-01 59.09202454 1977-02-01 59.09202454 1977-03-01 59.09202454 1977-04-01 59.09202454 1977-05-01 59.09202454 1977-06-01 59.16503067 1977-07-01 60.04110429 1977-08-01 60.47914110 1977-09-01 60.62515337 1977-10-01 60.62515337 1977-11-01 60.62515337 1977-12-01 60.69815951 1978-01-01 60.69815951 1978-02-01 60.69815951 1978-03-01 60.69815951 1978-04-01 60.69815951 1978-05-01 63.69141104 1978-06-01 63.69141104 1978-07-01 63.69141104 1978-08-01 63.69141104 1978-09-01 63.69141104 1978-10-01 63.69141104 1978-11-01 63.69141104 1978-12-01 63.69141104 1979-01-01 63.69141104 1979-02-01 63.76441718 1979-03-01 63.76441718 1979-04-01 63.76441718 1979-05-01 63.76441718 1979-06-01 63.76441718 1979-07-01 63.76441718 1979-08-01 63.76441718 1979-09-01 63.76441718 1979-10-01 63.76441718 1979-11-01 63.83742331 1979-12-01 63.83742331 1980-01-01 63.93742331 1980-02-01 64.08343558 1980-03-01 65.61656442 1980-04-01 66.93067485 1980-05-01 71.48343558 1980-06-01 71.55644172 1980-07-01 71.70245399 1980-08-01 71.70245399 1980-09-01 71.77546012 1980-10-01 71.77546012 1980-11-01 71.84846626 1980-12-01 71.84846626 1981-01-01 71.84846626 1981-02-01 71.92147239 1981-03-01 71.92147239 1981-04-01 71.92147239 1981-05-01 76.30184049 1981-06-01 76.30184049 1981-07-01 76.30184049 1981-08-01 76.30184049 1981-09-01 76.30184049 1981-10-01 76.30184049 1981-11-01 76.30184049 1981-12-01 76.30184049 1982-01-01 76.30184049 1982-02-01 76.30184049 1982-03-01 76.30184049 1982-04-01 76.30184049 1982-05-01 76.37484663 1982-06-01 76.37484663 1982-07-01 76.37484663 1982-08-01 76.37484663 1982-09-01 76.37484663 1982-10-01 76.37484663 1982-11-01 76.37484663 1982-12-01 76.37484663 1983-01-01 76.37484663 1983-02-01 76.37484663 1983-03-01 76.37484663 1983-04-01 76.37484663 1983-05-01 77.82453988 1983-06-01 79.13865031 1983-07-01 79.43067485 1983-08-01 79.50368098 1983-09-01 79.50368098 1983-10-01 81.54785276 1983-11-01 82.35092025 1983-12-01 82.49693252 1984-01-01 82.49693252 1984-02-01 82.49693252 1984-03-01 82.49693252 1984-04-01 82.49693252 1984-05-01 87.31533742 1984-06-01 87.31533742 1984-07-01 87.31533742 1984-08-01 87.31533742 1984-09-01 87.31533742 1984-10-01 87.31533742 1984-11-01 87.31533742 1984-12-01 87.31533742 1985-01-01 87.31533742 1985-02-01 87.31533742 1985-03-01 87.31533742 1985-04-01 87.31533742 1985-05-01 87.31533742 1985-06-01 87.31533742 1985-07-01 87.31533742 1985-08-01 87.31533742 1985-09-01 87.31533742 1985-10-01 87.31533742 1985-11-01 87.31533742 1985-12-01 87.31533742 1986-01-01 87.31533742 1986-02-01 87.31533742 1986-03-01 87.31533742 1986-04-01 87.31533742 1986-05-01 88.74601227 1986-06-01 88.74601227 1986-07-01 88.74601227 1986-08-01 88.74601227 1986-09-01 88.74601227 1986-10-01 88.74601227 1986-11-01 88.74601227 1986-12-01 88.74601227 1987-01-01 88.67300613 1987-02-01 88.67300613 1987-03-01 88.67300613 1987-04-01 88.67300613 1987-05-01 88.67300613 1987-06-01 88.67300613 1987-07-01 88.67300613 1987-08-01 88.67300613 1987-09-01 88.67300613 1987-10-01 88.67300613 1987-11-01 88.67300613 1987-12-01 88.67300613 1988-01-01 88.67300613 1988-02-01 88.67300613 1988-03-01 88.67300613 1988-04-01 88.67300613 1988-05-01 88.67300613 1988-06-01 88.67300613 1988-07-01 88.67300613 1988-08-01 88.67300613 1988-09-01 88.67300613 1988-10-01 88.67300613 1988-11-01 88.67300613 1988-12-01 88.67300613 1989-01-01 88.67300613 1989-02-01 88.67300613 1989-03-01 88.67300613 1989-04-01 87.50490798 1989-05-01 87.50490798 1989-06-01 87.50490798 1989-07-01 87.50490798 1989-08-01 87.50490798 1989-09-01 87.50490798 1989-10-01 87.50490798 1989-11-01 87.50490798 1989-12-01 87.50490798 1990-01-01 87.21288344 1990-02-01 87.21288344 1990-03-01 89.91411043 1990-04-01 89.91411043 1990-05-01 89.91411043 1990-06-01 89.91411043 1990-07-01 89.91411043 1990-08-01 89.91411043 1990-09-01 89.91411043 1990-10-01 89.91411043 1990-11-01 89.98711656 1990-12-01 89.98711656 1991-01-01 89.98711656 1991-02-01 90.57116564 1991-03-01 90.86319018 1991-04-01 91.08220859 1991-05-01 91.15521472 1991-06-01 91.22822086 1991-07-01 91.22822086 1991-08-01 91.22822086 1991-09-01 91.22822086 1991-10-01 91.35521472 1991-11-01 91.35521472 1991-12-01 91.35521472 1992-01-01 91.35521472 1992-02-01 91.35521472 1992-03-01 91.35521472 1992-04-01 91.20920245 1992-05-01 91.20920245 1992-06-01 91.20920245 1992-07-01 91.28220859 1992-08-01 91.28220859 1992-09-01 91.28220859 1992-10-01 91.28220859 1992-11-01 91.28220859 1992-12-01 91.20920245 1993-01-01 91.20920245 1993-02-01 91.20920245 1993-03-01 91.20920245 1993-04-01 91.20920245 1993-05-01 91.20920245 1993-06-01 91.20920245 1993-07-01 91.20920245 1993-08-01 91.26319018 1993-09-01 91.26319018 1993-10-01 91.19018405 1993-11-01 91.19018405 1993-12-01 91.11717791 1994-01-01 91.11717791 1994-02-01 91.11717791 1994-03-01 91.11717791 1994-04-01 91.19018405 1994-05-01 93.45337423 1994-06-01 93.52638037 1994-07-01 93.59938650 1994-08-01 93.59938650 1994-09-01 93.59938650 1994-10-01 93.52638037 1994-11-01 93.59938650 1994-12-01 93.52638037 1995-01-01 93.45337423 1995-02-01 93.45337423 1995-03-01 93.45337423 1995-04-01 93.52638037 1995-05-01 93.45337423 1995-06-01 93.45337423 1995-07-01 93.38036810 1995-08-01 93.38036810 1995-09-01 93.30736196 1995-10-01 93.30736196 1995-11-01 93.23435583 1995-12-01 93.16134969 1996-01-01 93.23435583 1996-02-01 93.16134969 1996-03-01 93.16134969 1996-04-01 93.16134969 1996-05-01 93.08834356 1996-06-01 93.08834356 1996-07-01 93.08834356 1996-08-01 93.08834356 1996-09-01 93.08834356 1996-10-01 93.01533742 1996-11-01 93.08834356 1996-12-01 93.01533742 1997-01-01 93.01533742 1997-02-01 93.01533742 1997-03-01 93.01533742 1997-04-01 94.53435583 1997-05-01 94.53435583 1997-06-01 94.60736196 1997-07-01 94.60736196 1997-08-01 94.60736196 1997-09-01 94.53435583 1997-10-01 93.87730061 1997-11-01 93.87730061 1997-12-01 93.87730061 1998-01-01 93.87730061 1998-02-01 93.87730061 1998-03-01 93.75030675 1998-04-01 93.82331288 1998-05-01 93.75030675 1998-06-01 93.75030675 1998-07-01 93.75030675 1998-08-01 93.67730061 1998-09-01 93.75030675 1998-10-01 93.82331288 1998-11-01 93.75030675 1998-12-01 94.98404908 1999-01-01 94.98404908 1999-02-01 94.91104294 1999-03-01 94.91104294 1999-04-01 94.91104294 1999-05-01 94.91104294 1999-06-01 94.91104294 1999-07-01 94.91104294 1999-08-01 94.91104294 1999-09-01 94.91104294 1999-10-01 94.91104294 1999-11-01 94.76503067 1999-12-01 94.61901840 2000-01-01 94.61901840 2000-02-01 94.69202454 2000-03-01 94.61901840 2000-04-01 94.54601227 2000-05-01 94.54601227 2000-06-01 94.54601227 2000-07-01 94.47300613 2000-08-01 94.32699387 2000-09-01 94.32699387 2000-10-01 94.32699387 2000-11-01 94.40000000 2000-12-01 94.32699387 2001-01-01 94.10797546 2001-02-01 94.10797546 2001-03-01 94.10797546 2001-04-01 94.03496933 2001-05-01 93.96196319 2001-06-01 93.81595092 2001-07-01 93.81595092 2001-08-01 93.74294479 2001-09-01 93.66993865 2001-10-01 93.74294479 2001-11-01 93.74294479 2001-12-01 93.59693252 2002-01-01 93.59693252 2002-02-01 93.66993865 2002-03-01 93.52392638 2002-04-01 93.52392638 2002-05-01 93.52392638 2002-06-01 93.37791411 2002-07-01 92.93987730 2002-08-01 92.86687117 2002-09-01 92.93987730 2002-10-01 92.86687117 2002-11-01 92.86687117 2002-12-01 92.93987730 2003-01-01 92.93987730 2003-02-01 92.93987730 2003-03-01 92.72085890 2003-04-01 92.64785276 2003-05-01 92.86687117 2003-06-01 92.72085890 2003-07-01 93.87055215 2003-08-01 93.72453988 2003-09-01 93.72453988 2003-10-01 93.65153374 2003-11-01 93.65153374 2003-12-01 93.43251534 2004-01-01 93.43251534 2004-02-01 93.35950920 2004-03-01 93.28650307 2004-04-01 93.28650307 2004-05-01 93.21349693 2004-06-01 93.21349693 2004-07-01 93.21349693 2004-08-01 93.06748466 2004-09-01 92.99447853 2004-10-01 92.99447853 2004-11-01 92.99447853 2004-12-01 92.92147239 2005-01-01 93.21349693 2005-02-01 93.35950920 2005-03-01 93.35950920 2005-04-01 93.28650307 2005-05-01 93.21349693 2005-06-01 93.14049080 2005-07-01 93.14049080 2005-08-01 92.92147239 2005-09-01 92.84846626 2005-10-01 92.92147239 2005-11-01 92.77546012 2005-12-01 92.62944785 2006-01-01 92.77546012 2006-02-01 92.70245399 2006-03-01 92.70245399 2006-04-01 92.70245399 2006-05-01 92.48343558 2006-06-01 92.33742331 2006-07-01 93.83006135 2006-08-01 93.83006135 2006-09-01 93.83006135 2006-10-01 93.83006135 2006-11-01 93.75705521 2006-12-01 93.68404908 2007-01-01 93.39202454 2007-02-01 93.39202454 2007-03-01 93.17300613 2007-04-01 93.24601227 2007-05-01 93.17300613 2007-06-01 93.17300613 2007-07-01 93.02699387 2007-08-01 92.88098160 2007-09-01 92.95398773 2007-10-01 92.95398773 2007-11-01 93.10000000 2007-12-01 92.80797546 2008-01-01 92.95398773 2008-02-01 93.02699387 2008-03-01 93.75705521 2008-04-01 94.12208589 2008-05-01 94.48711656 2008-06-01 94.56012270 2008-07-01 94.56012270 2008-08-01 94.56012270 2008-09-01 94.70613497 2008-10-01 94.99815951 2008-11-01 94.92515337 2008-12-01 94.77914110 2009-01-01 94.77914110 2009-02-01 94.34110429 2009-03-01 94.41411043 2009-04-01 94.12208589 2009-05-01 93.97607362 2009-06-01 94.04907975 2009-07-01 93.83006135 2009-08-01 93.53803681 2009-09-01 93.61104294 2009-10-01 93.68404908 2009-11-01 93.53803681 2009-12-01 93.24601227 2010-01-01 93.46503067 2010-02-01 93.24601227 2010-03-01 93.24601227 2010-04-01 93.10000000 2010-05-01 92.95398773 2010-06-01 92.88098160 2010-07-01 92.80797546 2010-08-01 92.29693252 2010-09-01 92.66196319 2010-10-01 99.76932515 2010-11-01 99.69631902 2010-12-01 99.33128834 2011-01-01 99.62331288 2011-02-01 99.55030675 2011-03-01 99.62331288 2011-04-01 99.62331288 2011-05-01 99.47730061 2011-06-01 99.18527607 2011-07-01 99.03926380 2011-08-01 98.74723926 2011-09-01 99.03926380 2011-10-01 98.96625767 2011-11-01 98.82024540 2011-12-01 98.52822086 2012-01-01 98.74723926 2012-02-01 98.67423313 2012-03-01 98.82024540 2012-04-01 98.52822086 2012-05-01 98.45521472 2012-06-01 98.16319018 2012-07-01 98.23619632 2012-08-01 97.94417178 2012-09-01 98.09018405 2012-10-01 98.09018405 2012-11-01 98.01717791 2012-12-01 97.50613497 2013-01-01 97.87116564 2013-02-01 97.72515337 2013-03-01 97.79815951 2013-04-01 97.79815951 2013-05-01 97.65214724 2013-06-01 97.50613497 2013-07-01 97.50613497 2013-08-01 97.14110429 2013-09-01 97.43312883 2013-10-01 97.43312883 2013-11-01 97.43312883 2013-12-01 97.21411043 2014-01-01 97.57914110 2014-02-01 97.50613497 2014-03-01 97.36012270 2014-04-01 101.16809820 2014-05-01 100.80306750 2014-06-01 100.65705520 2014-07-01 100.58404910 2014-08-01 100.21901840 2014-09-01 100.43803680 2014-10-01 100.36503070 2014-11-01 100.36503070 2014-12-01 100.21901840 2015-01-01 100.51104290 2015-02-01 100.29202450 2015-03-01 100.07300610 2015-04-01 100.14601230 2015-05-01 100.07300610 2015-06-01 100.07300610 2015-07-01 99.92699387 2015-08-01 99.63496933 2015-09-01 100.00000000 2015-10-01 100.00000000 2015-11-01 99.78098160 2015-12-01 99.48895706 2016-01-01 99.63496933 2016-02-01 99.63496933 2016-03-01 99.34294479 2016-04-01 100.13987730 2016-05-01 100.21288340 2016-06-01 100.21288340 2016-07-01 100.21288340 2016-08-01 100.02085890 2016-09-01 100.38588960 2016-10-01 100.31288340 2016-11-01 100.38588960 2016-12-01 100.02085890 2017-01-01 100.60490800 2017-02-01 100.75092020 2017-03-01 100.96993870 2017-04-01 101.15889570 2017-05-01 101.01288340 2017-06-01 104.44417180 2017-07-01 104.22515340 2017-08-01 103.78711660 2017-09-01 103.71411040 2017-10-01 103.67607360 2017-11-01 103.53006130 2017-12-01 103.45705520 2018-01-01 103.60306750 2018-02-01 103.45705520 2018-03-01 103.31104290 2018-04-01 103.50000000 2018-05-01 103.42699390 2018-06-01 103.13496930 2018-07-01 103.06196320 2018-08-01 102.76993870 2018-09-01 102.91595090