Month	Index source base
2014-12-01	100.00000000
2015-01-01	97.57988986
2015-02-01	99.35625304
2015-03-01	101.69667000
2015-04-01	101.64207400
2015-05-01	102.94475860
2015-06-01	104.44785130
2015-07-01	104.01620760
2015-08-01	102.71414150
2015-09-01	100.39209620
2015-10-01	100.74899800
2015-11-01	101.22179870
2015-12-01	100.57378410
2016-01-01	100.42521810
2016-02-01	99.11163958
2016-03-01	100.61750670
2016-04-01	102.92721440
2016-05-01	103.99931420
2016-06-01	105.68862760
2016-07-01	103.68430400
2016-08-01	102.96004610
2016-09-01	103.06102020
2016-10-01	104.22262600
2016-11-01	102.82541940
2016-12-01	104.10000000
2017-01-01	107.40000000
2017-02-01	106.30000000
2017-03-01	105.60000000
2017-04-01	107.50000000
2017-05-01	106.60000000
2017-06-01	106.10000000
2017-07-01	105.80000000
2017-08-01	106.20000000
2017-09-01	107.50000000
2017-10-01	107.80000000
2017-11-01	109.80000000
2017-12-01	109.80000000
2018-01-01	111.30000000
2018-02-01	111.70000000
2018-03-01	111.90000000
2018-04-01	113.20000000
2018-05-01	113.30000000
2018-06-01	113.90000000
2018-07-01	115.30000000
2018-08-01	114.60000000
2018-09-01	113.30000000