The constituent entities of the Russian Federation were divided into six groups using per capita monetary incomes calculated for December 2002; then for each group average weighted values were calculated for a minimum selection of food products that could be purchased with the respective average per capita monthly income.
Sur la base de l'indicateur des revenus monétaires moyens par habitant calculé pour décembre 2002, les entités constitutives de la Fédération de Russie ont été divisées en six groupes.