Region
United States
60
Great Britain
45
Soviet Union
20
Germany (East)
8
Germany
5
Russia (Federation)
5
Iraq
3
Ireland
3
Northern Ireland
3
Europe
2
Middle East
2
Albania
1
Arctic regions
1
Berlin
1
China
1
Communist countries
1
Czech Republic
1
Czechoslovakia
1
Europe, Eastern
1
France
1
GreatBritain
1
India
1
Iran
1
Romania
1
Slovakia
1