Month Contribution to annual inflation 2013-01-01 0.67 2013-02-01 0.76 2013-03-01 0.77 2013-04-01 0.74 2013-05-01 0.74 2013-06-01 0.75 2013-07-01 0.75 2013-08-01 0.72 2013-09-01 0.70 2013-10-01 0.69 2013-11-01 0.62 2013-12-01 0.65 2014-01-01 0.65 2014-02-01 0.59 2014-03-01 0.57 2014-04-01 0.58 2014-05-01 0.61 2014-06-01 0.61 2014-07-01 0.62 2014-08-01 0.64 2014-09-01 0.64 2014-10-01 0.65 2014-11-01 0.65 2014-12-01 0.40 2015-01-01 0.43 2015-02-01 0.43 2015-03-01 0.41 2015-04-01 0.39 2015-05-01 0.38 2015-06-01 0.39 2015-07-01 0.37 2015-08-01 0.36 2015-09-01 0.34 2015-10-01 0.35 2015-11-01 0.37 2015-12-01 0.38 2016-01-01 0.40 2016-02-01 0.40 2016-03-01 0.43 2016-04-01 0.45 2016-05-01 0.47 2016-06-01 0.49 2016-07-01 0.48 2016-08-01 0.48 2016-09-01 0.52 2016-10-01 0.56 2016-11-01 0.54 2016-12-01 0.57 2017-01-01 0.58 2017-02-01 0.59 2017-03-01 0.60 2017-04-01 0.64 2017-05-01 0.66 2017-06-01 0.63 2017-07-01 0.64 2017-08-01 0.64 2017-09-01 0.63 2017-10-01 0.59 2017-11-01 0.58 2017-12-01 0.54 2018-01-01 0.52 2018-02-01 0.50 2018-03-01 0.51 2018-04-01 0.52 2018-05-01 0.47 2018-06-01 0.53 2018-07-01 0.55 2018-08-01 0.54 2018-09-01 0.58