Region
United States --
53
United States
44
China --
18
Japan --
14
China
11
Great Britain
11
Great Britain --
11
Europe --
8
Middle East --
8
Taiwan --
8
Europe
7
Iran --
6
Middle East
6
Soviet Union --
6
India --
5
Iran
5
Japan
5
Soviet Union
5
Taiwan
5
Indonesia --
4
Afghanistan --
3
Asia --
3
Asia, Southeastern --
3
Cambodia --
3
Europe, Eastern
3
Europe, Eastern --
3
Germany
3
Germany --
3
India
3
Indonesia
3
Iraq --
3
Israel --
3
Latin America --
3
Malaysia --
3
Russia (Federation)
3
Russia (Federation) --
3
Syria
3
Syria --
3
Afghanistan
2
Asia
2
Asia, Southeastern
2
Burma --
2
Central America
2
Central America --
2
East Asia
2
European Union countries --
2
Former Soviet republics
2
Former Soviet republics --
2
France
2
France --
2
more ...