Month	Index source base
2014-12-01	100.00000000
2015-01-01	99.96386459
2015-02-01	102.14531270
2015-03-01	105.83736440
2015-04-01	105.61706340
2015-05-01	104.37539570
2015-06-01	101.94347590
2015-07-01	102.04464110
2015-08-01	102.98260090
2015-09-01	106.18159400
2015-10-01	107.29511730
2015-11-01	106.02624420
2015-12-01	100.03427960
2016-01-01	98.98261948
2016-02-01	100.54861780
2016-03-01	105.11470300
2016-04-01	105.18833650
2016-05-01	105.05194040
2016-06-01	102.86324760
2016-07-01	101.01070370
2016-08-01	102.15595220
2016-09-01	105.95088150
2016-10-01	106.76635180
2016-11-01	104.83825590
2016-12-01	100.50000000
2017-01-01	99.60000000
2017-02-01	101.70000000
2017-03-01	104.30000000
2017-04-01	103.00000000
2017-05-01	103.70000000
2017-06-01	101.30000000
2017-07-01	101.20000000
2017-08-01	101.80000000
2017-09-01	103.50000000
2017-10-01	105.10000000
2017-11-01	104.30000000
2017-12-01	100.80000000
2018-01-01	100.00000000
2018-02-01	102.00000000
2018-03-01	104.00000000
2018-04-01	105.50000000
2018-05-01	104.70000000
2018-06-01	103.30000000
2018-07-01	101.90000000
2018-08-01	102.60000000
2018-09-01	104.70000000