Sales of food, beverages, and tobacco fell by 5.4%.

Retail trade of computers, peripheral units, software, and telecommunication equipment declined by 4.9% while sales of medical and orthopedic goods went down by 9.1%.

On the other hand, sales accelerated for audio, video equipment, hardware, paints, and glass; electrical household appliances by 7.4%.

On a seasonally adjusted monthly basis, sales fell by 0.4%, after a downwardly revised 0.1% increase in September.

A separate report from the Sofia-based agency showed that the country's industrial output growth eased to 5.7% year-on-year in October, down from a downwardly revised 10.7% in the previous month.

Compared to the previous month, industrial production declined 2%, after a revised 2.6% fall in September. Data also showed that construction output rose by an annual 1.8% in October, following an upwardly revised 1.4% slump in September.

On a seasonally adjusted monthly basis, construction output went up 0.7%, following a 0.2% rise in the previous month.