Translate the following English sentence to French:
"I believe that the conciliation procedure was successful in the end, for we did at least manage to secure our demand for ships to have to pay a significant contribution towards the costs of the facilities, irrespective of how much they make use of them."
Je pense que la procédure de conciliation s'est en fin de compte avérée fructueuse car nous avons tout de même pu imposer que les navires apportent une contribution substantielle aux coûts, indépendamment de l'utilisation effective des installations.