Month Contribution to annual inflation 2015-12-01 0.47544801888570300 2016-01-01 0.54424345110925200 2016-02-01 0.52261096744400000 2016-03-01 0.46867203761892600 2016-04-01 0.38528565827462000 2016-05-01 0.16659146220665900 2016-06-01 0.09971913468879710 2016-07-01 0.13285440096795000 2016-08-01 0.04982040036297980 2016-09-01 -0.10811405790807000 2016-10-01 -0.24098790883125800 2016-11-01 -0.23286104780200400 2016-12-01 -0.33423646725731200 2017-01-01 -0.48672682510679400 2017-02-01 -0.50232204962322700 2017-03-01 -0.43262273786419700 2017-04-01 -0.30686800503548000 2017-05-01 -0.14044607306171100 2017-06-01 -0.04121167861290730 2017-07-01 -0.01651024890279800 2017-08-01 0.03307181171049730 2017-09-01 0.09913840451414620 2017-10-01 0.06593868578064560 2017-11-01 0.10756696767657400 2017-12-01 0.17403268206767400 2018-01-01 0.18898816572246400 2018-02-01 0.15587991745504000 2018-03-01 0.05734102226710300 2018-04-01 0.08160165197739280 2018-05-01 -0.05707738538311380 2018-06-01 0.00816016519774029 2018-07-01 0.00816016519774029 2018-08-01 0.03261564879035000 2018-09-01 0.07321689507696490