Region
United States --
United States
410
Soviet Union --
52
China --
51
Soviet Union
48
United states --
48
China
38
Japan --
23
Japan
21
Asia
20
Asia --
18
Europe
18
Europe --
18
Middle East
17
Middle East --
17
Great Britain --
15
Israel
14
Latin America
14
Developing countries
12
Great Britain
12
Israel --
12
Latin America --
12
Iran
11
India
10
India --
10
Iran --
10
East Asia
9
East Asia --
9
Taiwan
9
Taiwan --
9
United Nations
9
Caribbean Area --
7
Central America
7
Central America --
7
Cuba
7
Cuba --
7
Russia
7
Russia --
7
Afghanistan --
6
Iraq
6
Panama
6
Panama --
6
Afghanistan
5
Caribbean Area
5
Developing countries --
5
Egypt
5
Egypt --
5
Iraq --
5
Korea
5
Korea --
5
more ...