Region
Amérique latine
1
Bulgaria
1
Canada
2
Central Europe
4
China
1
Chine
1
Colombia
3
Czech Republic
2
Eastern Europe
6
Europa
1
Europe
7
Europe centrale
1
Europe, Central
4
Europe, Eastern
6
États-Unis
5
Former Soviet republics
1
Germany
1
Hongrie
1
Hungary
2
Latin America
4
Pays de l'Union européenne
1
Pologne
1
Romania
2
Soviet Union
1
United States
8