Bulgaria's December producer prices edged down by 0.6% month-on-month after rising by 1.0% in November, the National Statistics Institute said.
On an annual basis, producer prices in December were 4.0% higher, following an annual rise by 6.8% in November.
In manufacturing, prices rose by 4.3% as compared to same period in 2010. A significant annual increase was registered in the production of chemical products and in the repairs and installation of machinery and equipment, by 8.0%.