Quarter	Index source base
1998-01-01	88.1730957333333
1998-04-01	88.2782507466666
1998-07-01	88.4630616700000
1998-10-01	88.6752741566667
1999-01-01	89.0619469266666
1999-04-01	89.1293354900000
1999-07-01	89.2793972266667
1999-10-01	89.3404049800000
2000-01-01	89.7337913900000
2000-04-01	89.6366695933333
2000-07-01	89.7501005933333
2000-10-01	89.7723374300000
2001-01-01	90.4057463766667
2001-04-01	90.6317977333333
2001-07-01	90.9340772300000
2001-10-01	90.9977359033333
2002-01-01	91.8788595633333
2002-04-01	92.0886136500000
2002-07-01	92.2509453166666
2002-10-01	92.6641224733334
2003-01-01	94.0375033133333
2003-04-01	94.1976468133333
2003-07-01	94.3560010633334
2003-10-01	95.0542739366666
2004-01-01	95.6611291333334
2004-04-01	95.7540723300000
2004-07-01	95.8346558600000
2004-10-01	96.3380682966666
2005-01-01	97.4091170066666
2005-04-01	97.8727438966666
2005-07-01	98.3054118333334
2005-10-01	99.2181049333334
2006-01-01	100.7349718333330
2006-04-01	100.6382121333330
2006-07-01	100.2164525000000
2006-10-01	100.3245191666670
2007-01-01	101.0069658333330
2007-04-01	100.5077592900000
2007-07-01	100.0294635666670
2007-10-01	99.7744569300000
2008-01-01	99.6207199266667
2008-04-01	99.2026406533333
2008-07-01	99.1090913866666
2008-10-01	99.1121184633333
2009-01-01	100.8092457666670
2009-04-01	100.4340662666670
2009-07-01	99.2704219600000
2009-10-01	99.2583233333333
2010-01-01	99.1790771666666
2010-04-01	98.8983448166667
2010-07-01	98.8378492133333
2010-10-01	98.8897445033334
2011-01-01	99.1258216333333
2011-04-01	98.9618424700000
2011-07-01	99.0963332100000
2011-10-01	99.0739578300000
2012-01-01	99.8328017300000
2012-04-01	99.4629106800000
2012-07-01	99.0264794300000
2012-10-01	99.0568111066666
2013-01-01	100.0925083400000
2013-04-01	99.9527845566667
2013-07-01	99.9068338700000
2013-10-01	100.0478732666670
2014-01-01	99.6839972266667
2014-04-01	99.7517276133333
2014-07-01	99.6054929900000
2014-10-01	99.4669205133333
2015-01-01	100.3650510000000
2015-04-01	100.1831985333330
2015-07-01	100.1540428666670
2015-10-01	100.2084053000000
2016-01-01	100.3471145000000
2016-04-01	100.4207344666670
2016-07-01	100.4346873666670
2016-10-01	100.6372459000000
2017-01-01	100.9437728000000
2017-04-01	101.8556146000000
2017-07-01	102.0333333333330
2017-10-01	102.1033333333330
2018-01-01	102.8066666666670
2018-04-01	102.6133333333330
2018-07-01	102.6233333333330