Translate the following English sentence to French:
"Unfortunately, the 25% often consists of flags which are expected to fulfil the requirements: in this way inspections are quicker and the work is carried out more easily."
Malheureusement, il arrive souvent que les 25 % de bateaux inspectés naviguent sous un pavillon dont on sait qu'il remplira toutes les conditions : les inspections sont ainsi plus rapides et le travail plus facile.