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Methodology

Sectoral grouping

The activity of each entity is obtained from its main activity. In companies not integrated into groups, the activity declared by the company itself will be assigned, while in consolidated groups, the activity with the highest turnover among the main activities corresponding to the group companies will be assigned. Based on this activity, companies have been classified into 5 sectoral groups in terms of the activity nomenclature of the National Classification of Economic Activities 2009.