Translate the following English sentence to French:
"I would firstly like to congratulate Mrs Peijs as rapporteur on this report which, as Mrs Villiers has already outlined, has been extremely complicated."
Je voudrais tout d'abord féliciter le rapporteur, Mme Peijs, de son travail qui, comme Mme Villiers l'a déjà souligné, s'est avéré extrêmement compliqué.