=CHOISIR(EQUIV(ANNEE($C2);{2001;2002;2006;2010});"Adultes";"Benjamins/Minimes";"Mini-poussins/Poussins";"Microbes")
=SI(D2<6;"Microbes";SI(D2<10;"Mini-poussins/Poussins";SI(D2<14;"Benjamins/Minimes";"Adultes")))
=CHOISIR(EQUIV(ANNEE($I2);{1920;2002;2006;2010});"Adultes";"Benjamins/Minimes";"Mini-poussins/Poussins";"Microbes")