Region
Great Britain
United States
15
Switzerland
6
France
5
Germany
4
Germany (West)
4
4.240
3
Grande-Bretagne
3
Netherlands
3
England
2
South Africa
2
4.210
1
4.415
1
Australia
1
Brunei
1
Canada
1
European Economic Community countries
1
Iceland
1
Iraq
1
Ireland
1
Liechtenstein
1
Pennsylvania
1
Rome (Italy)
1
Transvaal
1
Trinidad and Tobago
1
États-Unis
1