Month Index source base 2016-12-01 100.0000 2017-01-01 101.9345 2017-02-01 103.7951 2017-03-01 105.6633 2017-04-01 107.5442 2017-05-01 108.9336 2017-06-01 110.3729 2017-07-01 111.8348 2017-08-01 113.6021 2017-09-01 115.4941 2017-10-01 117.0803 2017-11-01 118.5168 2017-12-01 119.8176 2018-01-01 122.7189 2018-02-01 124.8704 2018-03-01 127.1891 2018-04-01 129.3332 2018-05-01 131.8763 2018-06-01 136.0669 2018-07-01 141.4245 2018-08-01 148.3437 2018-09-01 160.1018