Region
Europe --
8
Europe
4
Asia
2
East Asia
2
New Zealand
2
Pacific
2
Pacific Area
2
United States --
2
Developing countries
1
Developing countries --
1
East Asia --
1
Europa --
1
Europe - --
1
European Union countries --
1
Great Britain --
1
International agency
1
Latin America
1
Malaysia
1
Middle East
1
Middle East --
1
Soviet Union
1
USSR
1
United States
1
United states --
1