Month	Index source base
2016-12-01	100.0000
2017-01-01	103.1002
2017-02-01	104.8886
2017-03-01	105.9567
2017-04-01	107.9795
2017-05-01	109.5541
2017-06-01	110.9475
2017-07-01	113.7770
2017-08-01	114.5928
2017-09-01	116.2141
2017-10-01	117.8340
2017-11-01	119.9896
2017-12-01	122.1360
2018-01-01	125.7038
2018-02-01	128.3425
2018-03-01	130.5949
2018-04-01	133.5827
2018-05-01	136.7886
2018-06-01	140.4230
2018-07-01	144.4360
2018-08-01	147.9425
2018-09-01	156.4246