Bulgaria's working day adjusted Industrial Production Index rose by 15.2% year on year February 2011, according to preliminary data by the country National Statistical Institute.

On a monthly basis, the Industrial Production Index, seasonally adjusted, decreased by 1.4 in February 2011 as compared to January 2011.

In February 2011, the Bulgarian year on year Industrial Production Index, calculated from working day adjusted data in the manufacturing grew by 22.3%, in the electricity, gas, steam and air conditioning supply by 5.9%, while in the mining and quarrying industry a drop by 0.7% was seen.

Annual increases were registered in the production of energy by 21.2%, in the production of intermediate goods by 16.2% and in the production of investment goods by 3.6%.

In February 2011 as compared to January 2011, the seasonally adjusted Industrial Production Index in the mining and quarrying industry decreased by 13.0%, in the manufacturing by 5.7%, while in the electricity, gas, steam and air conditioning supply an increase by 8.1% was registered.

The most significant monthly decreases of production in the manufacturing were seen in the manufacture of fabricated metal products, except machinery and equipment by 21.9%, in the manufacture of paper and paper products by 7.7%, in the manufacture of basic metals by 6.7%.

There was a monthly increase in the manufacture of pharmaceutical products and pharmaceutical preparations by 6.1%, in the manufacture of beverages by 4.9%, in the manufacture of other non-metallic mineral products by 4.4%.