Region
United States
33
Europe
7
Asia
3
Persian Gulf Region
3
Africa
2
Foreign countries
2
Korea (South)
2
Middle East
2
Pacific Area
2
Ukraine
2
Australia
1
Brazil
1
Canada
1
China
1
Great Britain
1
Iraq
1
Islamic countries
1
Japan
1
Latin America
1
Libya
1
Mediterranean Region
1
Oceania
1
Persian Gulf States
1
Philippines
1
South China Sea
1
Soviet Union
1