Quarter	Index source base
2011-07-01	100.0000000
2011-10-01	100.0598292
2012-01-01	100.8659879
2012-04-01	101.7075255
2012-07-01	101.7269971
2012-10-01	103.2401682
2013-01-01	103.1584461
2013-04-01	103.5276013
2013-07-01	104.0975527
2013-10-01	103.9799123
2014-01-01	103.7716729
2014-04-01	104.0019469
2014-07-01	104.3517007
2014-10-01	106.9296065
2015-01-01	105.7751992
2015-04-01	105.8771590
2015-07-01	105.5844465
2015-10-01	105.1682806
2016-01-01	106.8640674
2016-04-01	107.1536607
2016-07-01	108.4910549
2016-10-01	108.3046594
2017-01-01	109.2251025
2017-04-01	109.1853148
2017-07-01	109.4986275
2017-10-01	109.4916694
2018-01-01	109.9307204
2018-04-01	110.0774095
2018-07-01	110.6773564