for 1990 were 4251 divided as follows:

Belgium 21

Brazil 1

Burkina Faso 24

Canada 1

Czechoslovakia 249

France 16

Greece 8

Hungary 69

Israel 1

Italy 3,103

Ivory Coast 3

Jugoslavia 132

Poland 17

Portugal 37

Rymania 67

Spain 16

Suviet Union 483

Switzerland 1

United States 1

Venezuela 1

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Totale: 4,251