Region
Great Britain --
33
Great Britain
21
United States --
3
Egypt --
2
France
2
France --
2
United States
2
European Economic Community countries
1
European Economic Community countries --
1
Germany
1
Germany (West)
1
Germany (West) --
1
Germany --
1
Great Britain - --
1
Indonesia
1
Indonesia --
1
Malaysia
1
Malaysia --
1
Spain --
1
Turkey
1
Turkey --
1