Translate the following English sentence to French:
"The Commission was certainly very anxious to ensure, Mr Berend, that this sixth periodic report should show that progress had been made and a threshold crossed in terms of the quality of the analysis submitted to you."
C'est vrai que la Commission s'est particulièrement attachée, Monsieur Berend, à ce que ce sixième rapport périodique permette de constater un effort, le franchissement d'un seuil qualitatif dans l'analyse qui vous est proposée.