The dollar came to an average of 1,132.73 won in April, down 0.2 percent from a month earlier the latest findings showed.

For exporters, the won's gain means decreased income as dollar-denominated earnings from their overseas binesses fall in value when repatriated into the local currency.

Export prices of indtrial goods gained 8.7 percent year-on-year in April while those of agricultural and fisheries products climbed 7.0 percent during the same period.

Import prices rose 0.5 percent last month from March due to a hike in oil prices. Year-on-year, import prices jumped 9.3 percent, the central bank said.

The price of Dubai crude -- South Korea's benchmark -- stood at an average of $52.30 in April, up from $51.20 a month earlier, according to the BOK. (Yonhap)