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Conversion coefficient of the euro or franc from one year into euro or franc of another yearCoefficient de transformation de l'euro ou du franc d'une année, en euro ou en franc d'une autre année

Coefficient de transformation de l'euro ou du franc d'une année, en euro ou en franc d'une autre annéeConversion coefficient of the euro or franc from one year into euro or franc of another year

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This API published by INSEE, the French national statistics institute, provides the coefficient used to convert an amount in francs or euros from a given year into its equivalent in francs or euros for another year. The coefficient is derived from inflation calculations. It covers France at the national level and is useful for adjusting historical monetary values for price changes, enabling comparisons of amounts expressed in currency from different periods, including the transition between the franc and the euro.Coefficient permettant une conversion d'un franc ou d'un euro d'une année, en euro ou franc d'une autre année. Il basé sur le calcul de l'inflation.