Month Contribution to annual inflation 2013-01-01 2.42 2013-02-01 2.48 2013-03-01 2.52 2013-04-01 2.20 2013-05-01 2.41 2013-06-01 2.60 2013-07-01 2.47 2013-08-01 2.40 2013-09-01 2.36 2013-10-01 1.99 2013-11-01 1.92 2013-12-01 1.89 2014-01-01 1.79 2014-02-01 1.65 2014-03-01 1.52 2014-04-01 1.68 2014-05-01 1.46 2014-06-01 1.80 2014-07-01 1.57 2014-08-01 1.55 2014-09-01 1.30 2014-10-01 1.35 2014-11-01 1.09 2014-12-01 0.75 2015-01-01 0.54 2015-02-01 0.35 2015-03-01 0.33 2015-04-01 0.26 2015-05-01 0.45 2015-06-01 0.34 2015-07-01 0.47 2015-08-01 0.37 2015-09-01 0.25 2015-10-01 0.25 2015-11-01 0.44 2015-12-01 0.52 2016-01-01 0.64 2016-02-01 0.62 2016-03-01 0.76 2016-04-01 0.70 2016-05-01 0.73 2016-06-01 0.84 2016-07-01 0.90 2016-08-01 0.96 2016-09-01 1.26 2016-10-01 1.28 2016-11-01 1.47 2016-12-01 1.79 2017-01-01 1.93 2017-02-01 2.33 2017-03-01 2.35 2017-04-01 2.65 2017-05-01 2.73 2017-06-01 2.57 2017-07-01 2.55 2017-08-01 2.74 2017-09-01 2.81 2017-10-01 2.78 2017-11-01 2.85 2017-12-01 2.72 2018-01-01 2.71 2018-02-01 2.45 2018-03-01 2.29 2018-04-01 2.20 2018-05-01 2.30 2018-06-01 2.30 2018-07-01 2.29 2018-08-01 2.39 2018-09-01 2.20