Region
United States --
457
United States
301
United states --
63
China --
37
China
30
Soviet Union --
29
Soviet Union
27
Japan --
21
Japan
18
Middle East
14
Middle East --
14
Europe
13
Europe --
13
Great Britain --
11
India
10
India --
10
Israel
10
Asia
9
East Asia
9
Great Britain
9
Israel --
9
Taiwan
9
Taiwan --
9
Developing countries
8
East Asia --
8
Asia --
7
Panama --
7
Iran
6
Iran --
6
Panama
6
Russia (Federation) --
6
Southeast Asia --
6
United States - --
6
Developing countries --
5
Iraq
5
Latin America
5
Russia (Federation)
5
United Nations
5
Afghanistan
4
Afghanistan --
4
Cambodia --
4
Caribbean Area --
4
Egypt
4
Germany --
4
Iraq --
4
Latin America --
4
Pacific --
4
Pacific Area --
4
Pacific area
4
Russia --
4
more ...