- Andorra, Austria
- Belarus, Belgium, Bosnia and Herzegovina, Bulgaria
- Croatia, Czech Republic, Czechoslovakia
- Denmark
- Estonia
- Finland, France
- German Democratic Republic, Germany, Greece
- Hungary
- Iceland, Ireland, Italy
- Latvia, Liechtenstein, Lithuania, Luxembourg
- Macedonia, Malta, Monaco, Montenegro
- Netherlands, Norway
- Poland, Portugal
- Romania, Russia
- San Marino, Serbia, Slovakia, Slovenia, Soviet Union, Spain, Sweden, Switzerland
- Ukraine, United Kingdom
- Vatican
- Yugoslavia
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