This dataset and accompanying materials have been produced within the scope of a project conducted with the support of the Unit for Analysis, Policy Planning, Statistics and Historical Documentation – Directorate General for Public and Cultural Diplomacy of the Italian Ministry of Foreign Affairs and International Cooperation, in accordance with Article 23 ‒ bis of the Decree of the President of the Italian Republic 18/1967. The views expressed are solely those of the authors and do not necessarily reflect the views of the Ministry of Foreign Affairs and International Cooperation.