for 1990 were 2.511 divided as follows:

Belgium 15

Burkina Faso 24

Brazil 2

Czechoslovakia 211

Canada 1

Costa d'Avorio 2

Francia 10

West Germany 1

Greece 7

Israel 1

Italy 1977

Poland 16

Portugal 22

Romania 13

Spain 10

United States 2

Hungary 25

Soviet Union 111

Suisse 1

Yugoslavia 60

Venezuela 1

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Total 2.511