27In that regard, it is for the national court to assess to what extent the statistical evidence adduced before it is valid and whether it can be taken into account, that is to say, whether, for example, it illustrates purely fortuitous or short-term phenomena, and whether it is sufficiently significant (judgment of 24 September 2020, YS (Occupational pensions for managerial staff), C‑223/19, EU:C:2020:753, paragraph 51 and the case-law cited).
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