Region
United States
United States --
279
Japan
29
Soviet Union
25
Japan --
23
Soviet Union --
22
China --
14
China
12
Europe
11
Developing countries
9
Europe --
9
Asia
8
Asia --
8
Great Britain
8
United states --
8
Israel --
7
Korea (South) --
7
Latin America
7
Central America
6
Central America --
6
Korea (South)
6
Latin America --
6
East Asia --
5
Israel
5
United States - --
5
Developing countries --
4
East Asia
4
Germany
4
Great Britain --
4
Mexico --
4
Palestine
4
Russia (Federation)
4
Russia (Federation) --
4
Russia --
4
Africa
3
Africa --
3
Canada
3
Cuba
3
Cuba --
3
European Economic Community countries
3
European Economic Community countries --
3
European Union countries
3
France
3
Germany --
3
Mexico
3
Middle East
3
Middle East --
3
Palestine --
3
Persian Gulf Region --
3
Russia
3
more ...