The European Anti-Fraud Office, OLAF, said it concluded 11 investigations into the use of EU funds by Romania last year, more than any other country which has benefited from EU financing.Among countries from Southeast Europe, Greece came second, with nine cases concluded by OLAF in 2017, followed by Bulgaria with seven, the anti-fraud office said in an annual activity report published on Wednesday.The other SEE countries reviewed by OLAF last year were Serbia with three cases concluded, Croatia with two and Kosovo and Moldova with one each.OLAF concluded a total of 102 cases related to the use of EU funds managed or spent in whole or in part at national or regional level.