Department of Economic and Social Affairs of the United Nations
2006-

OECD-Organisation for Economic Co-Operation and Development
2010-

Eurostat-European Commission
1981-1999

ONU-United Nations, Department of Economic and Social Affairs
1949-

ONU-United Nations, Department of Economic and Social Affairs, Statistics Division
1993-

Central Statistical Office of the Polish People's Republic
1969-

United Nations, Economic Commission for Africa
1972-

Office National des Statistiques
1987-1994

Central Statistical Office of the Republic of Poland
1947-

National Statistical Service of Greece
1980-

SREA-Serviço Regional de Estatística dos Açores
1984-

ONU-United Nations, ESCAP-Economic and Social Commission for Asia and the Pacific
1968-