Translate the following English sentence to French:
"Among the various missing data which would have been useful, it could also have provided the results of the questionnaires sent to the Member States and the results of the coordination of relevant laws and activities by the European Standardisation Centre."
Sans parler, parmi les diverses données manquantes, des résultats des questionnaires envoyés aux États membres et des résultats de la coordination législative et des activités afférentes du Centre européen de normalisation.