Translate the following English sentence to French:
"The fact that 1101 letters of formal notice, 675 reasoned opinions and 123 referrals have been presented to the Court of Justice clearly highlight the difficulties inherent in applying European Community law."
Les chiffres selon lesquels il existe 1101 mises en demeure, 675 avis motivés et 123 saisines de la Cour de justice démontrent clairement les difficultés quant à l'application du droit communautaire européen.