August 31 (SeeNews) - Bulgaria's gross foreign debt totalled 39.3 billion euro ($46.5 billion) at the end of June, up 4.3% year-on-year, the central bank said.The gross foreign debt at the end of June was equivalent to 59.8% of the forecast gross domestic product (GDP) in 2021, the Bulgarian National Bank said in a statement last week.Details of Bulgaria's gross foreign debt as at end-June follow: