for 1990 were 3.568 divided as follows:

Belgium 19

Burkina Faso 24

Brazil 2

Czechoslovakia 236

Canada 1

Costa d'Avorio 2

Francia 10

Greece 7

Israel 1

Italy 2690

Poland 16

Portugal 21

Romania 34

Spain 13

United States 1

Hungary 37

Soviet Union 348

Suisse 1

Yugoslavia 103

Venezuela 1

West Germany 1

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Total 3.568