257It is therefore for the Court, in the exercise of its unlimited jurisdiction, to assess, on the date on which it adopts its decision, whether the applicant received a fine the amount of which properly reflects the gravity and the duration of the infringement in question, in such a way that the fines are proportionate in the light of the criteria set out in Article 23(3) of Regulation No 1/2003 (see, to that effect, Case T-156/94Aristrain v Commission [1999] ECR II-645, paragraphs 584 to 586, and Case T-220/00Cheil Jedang v Commission [2003] ECR II-2473, paragraph 93).