56In that regard, according to settled case-law, the periodic penalty payment must be decided upon according to the degree of persuasion needed in order for the Member State concerned to alter its conduct and bring to an end the conduct established (see, to that effect, judgment of 20 January 2022, Commission v Greece (Recovery of State aid – Ferronickel), C‑51/20, EU:C:2022:36, paragraph 93 and the case-law cited).