Monthly factory gate prices, the cost of manufacturing goods before profit mark-up is added, rose by 2.9% in November.

This compares to an increase of 0.3% for the same month last year. The annual percentage change showed an increase of 4.4% in November 2015, compared with an increase of 1.8% in the year to the end of October.

The figures from the Central Statistics Office also show that the price for export sales increased by 3.2% in November, while the index for home sales increased by 0.3%.

Annually there was an increase of 5.8% in the price index for export sales (this can be influenced by currency fluctuations) and a decrease of 4.6% in respect of the price index for home sales.

The most significant price changes were increases in computer, electronic and optical products (+4.0%), basic pharmaceutical products and pharmaceutical preparations (+3.9%) and ‘other food’ products - including bread and confectionery (+3.6%).

Meanwhile, the cost of production of dairy products fell by 0.9%.

Year-on-year computer there were increases for electronic and optical products (+14.2%), basic pharmaceutical products and pharmaceutical preparations (+7.0%) and ‘other food’ products including bread and confectionery (+4.1%).

Annually there were drops in the areas of dairy products (-13.1%), fruit and vegetables (-3.3%) and ‘other non-metallic’ mineral products (-1.9%).

According to the CSO, the cost of production for building and construction materials increased by 1.3% between November this year and the same month in 2014.

Elsewhere, there have been significant drops in the price of energy products (-16.5%) in the year since November 2014, while petroleum fuels decreased by 11.6%.