On a month-on-month basis, prices fell 0.2 percent in December from an increase of 0.2 percent in the previous month.

Core inflation, which excludes the prices of food, non-alcoholic beverages, petrol and energy, was unchanged at 4.4 percent year on year in December from 4.4 percent in November.

On a month-on-month basis, core inflation was at 0.3 percent in December from 0.2 percent in November.

(Reporting by Alexander Winning; Editing by James Macharia)