Translate the following English sentence to French:
"According to Lloyd's Maritime Services, in December 1999 there were 1,323 vessels over 24 metres flying flags of convenience. Of these, 168 were owned by companies based in EU Member States."
Selon la Lloyd' s Maritime Services, 1 323 vaisseaux de plus de 24 mètres battaient pavillon de complaisance en décembre 1999, dont 168 appartenaient à des compagnies basées dans des États membres de l' Union.