Region
Afghanistan
1
Africa
1
Africa, West
2
Albania
1
Arab countries
1
Asia
1
Cambodia
1
Canada
2
China
9
Congo (Democratic Republic)
1
Developing countries
1
East Asia
3
Europe
15
Former Soviet republics
2
France
1
Georgia
1
Germany
4
Germany (West)
2
Great Britain
6
Indian Ocean Region
1
Iraq
6
Islands of the Pacific
4
Korea (North)
2
Latin America
2
Lebanon
1
Libya
1
Mali
2
Middle East
1
Outer space
1
Pacific Area
2
Pakistan
1
Russia
4
Russia (Federation)
3
Sierra Leone
1
South Asia
1
Southeast Asia
1
Soviet Union
14
Syria
1
United States
104