Month Index source base 2016-12-01 100.0000 2017-01-01 101.4784 2017-02-01 107.0014 2017-03-01 110.8463 2017-04-01 117.4108 2017-05-01 119.5207 2017-06-01 121.6359 2017-07-01 124.0879 2017-08-01 126.7648 2017-09-01 129.2656 2017-10-01 130.4139 2017-11-01 132.0294 2017-12-01 155.5929 2018-01-01 157.2160 2018-02-01 163.1754 2018-03-01 164.1018 2018-04-01 177.2462 2018-05-01 175.9498 2018-06-01 180.6206 2018-07-01 182.4306 2018-08-01 193.6678 2018-09-01 198.1079