Export earnings from the country’s eight export processing zones grew 10.69 percent year-on-year to $6.11 billion in the last fiscal year. The industrial units housed in the EPZs contributed 19.75 percent of the country’s total export earnings of $31.20 billion in fiscal 2014-15, Bangladesh Export Processing Zones Authority said in a statement yesterday. Enterprises in Chittagong EPZ exported the highest – $2.39 billion — while factories in Dhaka EPZ fetched $2 billion.