Bulgaria's trade deficit increased to 6.9 billion levs ($4.09 billion/3.54 billion euro) in the eleven months through November, from 3.5 billion levs in the same period of 2017, the country’s statistical office NSI said on Friday, quoting preliminary data. Exports FOB rose by 1.5% year-on-year, reaching 51.1 billion levs in the January-November period, while imports CIF grew by 7.7% to 58.1 billion levs, NSI said in a statement. In November alone, Bulgaria's exports increased 2.2% to 5.0 billion levs, while imports grew 3.6% to 5.7 billion levs.