Region
United States --
152
United States
91
China --
6
Soviet Union --
6
China
5
East Asia --
5
Persian Gulf Region --
4
Developing countries --
3
Iraq --
3
Japan --
3
Pakistan --
3
Russia --
3
Soviet Union
3
Asia
2
Asia --
2
Asia, Southeastern
2
Asia, Southeastern --
2
Cuba
2
Cuba --
2
Developing countries
2
India
2
India --
2
Indonesia --
2
Iraq
2
Japan
2
Laos
2
Laos --
2
Libya --
2
Pakistan
2
Sudan --
2
United States - --
2
Unites States --
2
1945-1989
1
Afghanistan
1
Afghanistan --
1
Africa
1
Africa --
1
America --
1
Arab countries
1
Arab countries --
1
Arabian Peninsula --
1
Australia --
1
Balkan Penisula
1
Balkan Penisula --
1
Cyprus --
1
East Asia
1
Egypt
1
Europe, Eastern
1
Europe, Eastern --
1
Former Soviet Republics --
1
more ...