Quarter	Index source base
2006-04-01	73.2064422
2006-07-01	74.4509517
2006-10-01	75.0366032
2007-01-01	75.7686676
2007-04-01	76.1346999
2007-07-01	77.2327965
2007-10-01	77.9648609
2008-01-01	79.0629575
2008-04-01	79.9414348
2008-07-01	81.4055637
2008-10-01	82.5036603
2009-01-01	83.3821376
2009-04-01	83.5285505
2009-07-01	84.3338214
2009-10-01	84.9194729
2010-01-01	85.5051245
2010-04-01	85.4319180
2010-07-01	85.8711567
2010-10-01	88.4333821
2011-01-01	89.5314788
2011-04-01	89.3850659
2011-07-01	90.2635432
2011-10-01	90.8491947
2012-01-01	91.5080527
2012-04-01	91.5080527
2012-07-01	92.0204978
2012-10-01	92.1669107
2013-01-01	92.8257687
2013-04-01	92.6793558
2013-07-01	92.9721816
2013-10-01	93.8506589
2014-01-01	94.5095168
2014-04-01	94.5095168
2014-07-01	94.8023426
2014-10-01	95.4612006
2015-01-01	96.1200586
2015-04-01	96.1932650
2015-07-01	96.7057101
2015-10-01	97.4377745
2016-01-01	98.2430454
2016-04-01	98.0966325
2016-07-01	98.5358712
2016-10-01	99.3411420
2017-01-01	100.1464129
2017-04-01	100.0000000
2017-07-01	100.9516837
2017-10-01	101.8000000
2018-01-01	103.5000000
2018-04-01	104.0000000
2018-07-01	104.6000000