Region
United States --
United States
15
Europe
9
Europe --
9
Great Britain --
2
Middle East
2
Middle East --
2
Soviet Union
2
Soviet Union --
2
Turkey
2
Turkey --
2
Bosnia ans Hercegovina
1
Canada
1
Canada. Treaties, etc. 1992, Oct.7
1
Developing countries
1
Developing countries --
1
Germany (West) --
1
Great Britain
1
Russia
1
Russia (Federation)
1
Russia (Federation) --
1
Russia --
1