The headline rate of inflation for goods leaving the factory gate (output prices) rose 3.3% on the year to December 2017, up from 3.1% in November 2017.

Prices for materials and fuels (input prices) rose 4.9% on the year to December 2017, down from 7.3% in November 2017.

All industries provided upward contributions to output annual inflation; the largest contribution was made by food products.

Prices of imported materials and fuels increased 4.5% on the year to December 2017, down from 6.7% in November 2017.