Quarter	Index source base
1970-01-01	38.3932515300000
1970-04-01	38.4175869100000
1970-07-01	38.5392638033333
1970-10-01	40.4860940700000
1971-01-01	40.7294478500000
1971-04-01	40.7294478500000
1971-07-01	40.7294478500000
1971-10-01	40.7294478500000
1972-01-01	40.7294478500000
1972-04-01	40.7294478500000
1972-07-01	40.7294478500000
1972-10-01	40.7294478500000
1973-01-01	40.7294478500000
1973-04-01	41.5081799600000
1973-07-01	43.0656441700000
1973-10-01	44.2580777133333
1974-01-01	44.7204498966667
1974-04-01	47.8597137000000
1974-07-01	50.0742331300000
1974-10-01	50.0742331300000
1975-01-01	50.0742331300000
1975-04-01	50.5366053133333
1975-07-01	51.9967280166667
1975-10-01	53.3838445833334
1976-01-01	59.0190184033333
1976-04-01	59.0920245400000
1976-07-01	59.0920245400000
1976-10-01	59.0920245400000
1977-01-01	59.0920245400000
1977-04-01	59.1163599166667
1977-07-01	60.3817995866667
1977-10-01	60.6494887500000
1978-01-01	60.6981595100000
1978-04-01	62.6936605300000
1978-07-01	63.6914110400000
1978-10-01	63.6914110400000
1979-01-01	63.7400818000000
1979-04-01	63.7644171800000
1979-07-01	63.7644171800000
1979-10-01	63.8130879333333
1980-01-01	64.5458077700000
1980-04-01	69.9901840500000
1980-07-01	71.7267893666667
1980-10-01	71.8241308800000
1981-01-01	71.8971370133334
1981-04-01	74.8417177900000
1981-07-01	76.3018404900000
1981-10-01	76.3018404900000
1982-01-01	76.3018404900000
1982-04-01	76.3505112500000
1982-07-01	76.3748466300000
1982-10-01	76.3748466300000
1983-01-01	76.3748466300000
1983-04-01	77.7793456066667
1983-07-01	79.4793456033333
1983-10-01	82.1319018433333
1984-01-01	82.4969325200000
1984-04-01	85.7092024533333
1984-07-01	87.3153374200000
1984-10-01	87.3153374200000
1985-01-01	87.3153374200000
1985-04-01	87.3153374200000
1985-07-01	87.3153374200000
1985-10-01	87.3153374200000
1986-01-01	87.3153374200000
1986-04-01	88.2691206533333
1986-07-01	88.7460122700000
1986-10-01	88.7460122700000
1987-01-01	88.6730061300000
1987-04-01	88.6730061300000
1987-07-01	88.6730061300000
1987-10-01	88.6730061300000
1988-01-01	88.6730061300000
1988-04-01	88.6730061300000
1988-07-01	88.6730061300000
1988-10-01	88.6730061300000
1989-01-01	88.6730061300000
1989-04-01	87.5049079800000
1989-07-01	87.5049079800000
1989-10-01	87.5049079800000
1990-01-01	88.1132924366667
1990-04-01	89.9141104300000
1990-07-01	89.9141104300000
1990-10-01	89.9627811833333
1991-01-01	90.4738241266667
1991-04-01	91.1552147233334
1991-07-01	91.2282208600000
1991-10-01	91.3552147200000
1992-01-01	91.3552147200000
1992-04-01	91.2092024500000
1992-07-01	91.2822085900000
1992-10-01	91.2578732100000
1993-01-01	91.2092024500000
1993-04-01	91.2092024500000
1993-07-01	91.2451942700000
1993-10-01	91.1658486700000
1994-01-01	91.1171779100000
1994-04-01	92.7233128833333
1994-07-01	93.5993865000000
1994-10-01	93.5507157466666
1995-01-01	93.4533742300000
1995-04-01	93.4777096100000
1995-07-01	93.3560327200000
1995-10-01	93.2343558266666
1996-01-01	93.1856850700000
1996-04-01	93.1126789366667
1996-07-01	93.0883435600000
1996-10-01	93.0396728000000
1997-01-01	93.0153374200000
1997-04-01	94.5586912066667
1997-07-01	94.5830265833333
1997-10-01	93.8773006100000
1998-01-01	93.8349693233334
1998-04-01	93.7746421266666
1998-07-01	93.7259713700000
1998-10-01	94.1858895700000
1999-01-01	94.9353783200000
1999-04-01	94.9110429400000
1999-07-01	94.9110429400000
1999-10-01	94.7650306700000
2000-01-01	94.6433537800000
2000-04-01	94.5460122700000
2000-07-01	94.3756646233333
2000-10-01	94.3513292466667
2001-01-01	94.1079754600000
2001-04-01	93.9376278133334
2001-07-01	93.7429447866667
2001-10-01	93.6942740333333
2002-01-01	93.5969325166667
2002-04-01	93.4752556233333
2002-07-01	92.9155419233334
2002-10-01	92.8912065466667
2003-01-01	92.8668711666667
2003-04-01	92.7451942766667
2003-07-01	93.7732106366667
2003-10-01	93.5785276066666
2004-01-01	93.3595092033333
2004-04-01	93.2378323100000
2004-07-01	93.0918200400000
2004-10-01	92.9701431500000
2005-01-01	93.3108384433333
2005-04-01	93.2134969333333
2005-07-01	92.9701431500000
2005-10-01	92.7754601200000
2006-01-01	92.7267893666667
2006-04-01	92.5077709600000
2006-07-01	93.8300613500000
2006-10-01	93.7570552133333
2007-01-01	93.3190184033333
2007-04-01	93.1973415100000
2007-07-01	92.9539877333333
2007-10-01	92.9539877300000
2008-01-01	93.2460122700000
2008-04-01	94.3897750500000
2008-07-01	94.6087934566666
2008-10-01	94.9008179933333
2009-01-01	94.5114519400000
2009-04-01	94.0490797533333
2009-07-01	93.6597137000000
2009-10-01	93.4893660533333
2010-01-01	93.3190184033333
2010-04-01	92.9783231100000
2010-07-01	92.5889570566666
2010-10-01	99.5989775033333
2011-01-01	99.5989775033334
2011-04-01	99.4286298533333
2011-07-01	98.9419222866667
2011-10-01	98.7715746433334
2012-01-01	98.7472392633334
2012-04-01	98.3822085866667
2012-07-01	98.0901840500000
2012-10-01	97.8711656433334
2013-01-01	97.7981595066667
2013-04-01	97.6521472400000
2013-07-01	97.3601226966667
2013-10-01	97.3601226966667
2014-01-01	97.4817995900000
2014-04-01	100.8760736333330
2014-07-01	100.4137014333330
2014-10-01	100.3163599333330
2015-01-01	100.2920245000000
2015-04-01	100.0973415000000
2015-07-01	99.8539877333334
2015-10-01	99.7566462200000
2016-01-01	99.5376278166667
2016-04-01	100.1885480333330
2016-07-01	100.2065439666670
2016-10-01	100.2398773000000
2017-01-01	100.7752556333330
2017-04-01	102.2053169666670
2017-07-01	103.9087934666670
2017-10-01	103.5543967000000
2018-01-01	103.4570552000000
2018-04-01	103.3539877333330
2018-07-01	102.9159509333330