Region
China
12
European Union countries
8
Latin America
6
Developing countries
5
Europe
5
Great Britain
5
Japan
5
United States
5
Africa
3
Europe, Eastern
3
East Asia
2
Germany
2
Africa, Sub-Saharan
1
Asia
1
Brazil
1
Canada
1
Cuba
1
Europe Union countries
1
Europe, Central
1
European Economic Community countries
1
European countries
1
Libya
1
Malaysia
1
Mediterranean Region
1
Nigeria
1
Pacific area
1
Pays en voie de développement
1
Russia (Federation)
1
Southeast Asia
1
Soviet Union
1
Spain
1
Venezuela
1