There was a small overall increase in the cost of products and services last month.
The CSO's latest Consumer Price Index shows an average increase of 0.1% for the cost of goods and services for the month of December, when compared with the same time in 2014.
The biggest increase was seen in the price of education, which jumped by +3.8%, as well as Miscellaneous Goods & Services (+2.6%), Housing, Water, Electricity, Gas & Other Fuels (+2.1%) and Communications (+1.7%).
There were decreases in Transport (-4.3%), Clothing & Footwear (-4.1%), Furnishings, Household Equipment & Routine Household Maintenance (-1.5%) and Food & Non-Alcoholic Beverages (-1%).