for 1990 were 3.796 divided as follows:

Belgium 19

Burkina Faso 24

Brazil 2

Czechoslovakia 243

Canada 1

Costa d'Avorio 2

Francia 16

Greece 7

Israel 1

Italy 2834

Poland 16

Portugal 21

Romania 39

Spain 14

United States 1

Hungary 51

Soviet Union 384

Suisse 1

Yugoslavia 118

Venezuela 1

West Germany 1

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total 3.796