Quarter	Index source base
2006-04-01	69.5894224
2006-07-01	69.7286013
2006-10-01	69.5894224
2007-01-01	71.9554628
2007-04-01	71.8162839
2007-07-01	68.0584551
2007-10-01	67.8496868
2008-01-01	70.4940849
2008-04-01	70.4940849
2008-07-01	70.5636743
2008-10-01	70.6332637
2009-01-01	73.6256089
2009-04-01	73.6256089
2009-07-01	73.6256089
2009-10-01	73.6256089
2010-01-01	77.1746695
2010-04-01	77.1746695
2010-07-01	77.3834377
2010-10-01	77.8009743
2011-01-01	82.2546973
2011-04-01	82.3242867
2011-07-01	82.5330550
2011-10-01	82.6722338
2012-01-01	85.2470424
2012-04-01	85.3166319
2012-07-01	85.3862213
2012-10-01	85.5949896
2013-01-01	88.5873347
2013-04-01	88.5873347
2013-07-01	88.7265136
2013-10-01	88.5177453
2014-01-01	91.4405010
2014-04-01	91.7884482
2014-07-01	91.8580376
2014-10-01	92.2059847
2015-01-01	95.1287404
2015-04-01	95.3375087
2015-07-01	95.3375087
2015-10-01	95.1983299
2016-01-01	97.5643702
2016-04-01	97.8427279
2016-07-01	97.9123173
2016-10-01	97.9819068
2017-01-01	99.7912317
2017-04-01	100.0000000
2017-07-01	100.0695894
2017-10-01	100.3000000
2018-01-01	94.7000000
2018-04-01	94.8000000
2018-07-01	94.8000000