Quarter	Index source base
2006-04-01	61.7665225
2006-07-01	62.3224212
2006-10-01	62.6930204
2007-01-01	63.4342187
2007-04-01	63.6195182
2007-07-01	64.4224830
2007-10-01	64.5460161
2008-01-01	65.4725139
2008-04-01	65.1019148
2008-07-01	65.4107474
2008-10-01	65.6578135
2009-01-01	67.0784435
2009-04-01	67.3872761
2009-07-01	68.1902409
2009-10-01	67.2637431
2010-01-01	68.3137739
2010-04-01	71.3403335
2010-07-01	73.1933292
2010-10-01	73.9962940
2011-01-01	77.2699197
2011-04-01	76.6522545
2011-07-01	77.0228536
2011-10-01	76.7140210
2012-01-01	81.2229771
2012-04-01	81.7788758
2012-07-01	81.8406424
2012-10-01	81.4082767
2013-01-01	85.8554663
2013-04-01	85.2995676
2013-07-01	85.4231007
2013-10-01	84.9289685
2014-01-01	88.1408277
2014-04-01	87.6466955
2014-07-01	88.0172946
2014-10-01	87.3996294
2015-01-01	92.3409512
2015-04-01	92.8968499
2015-07-01	93.0203830
2015-10-01	91.8468190
2016-01-01	95.7998765
2016-04-01	96.0469426
2016-07-01	95.8616430
2016-10-01	95.4910439
2017-01-01	100.0617665
2017-04-01	100.0000000
2017-07-01	100.7411983
2017-10-01	100.0000000
2018-01-01	105.0000000
2018-04-01	106.3000000
2018-07-01	105.9000000