for 1991 were 3690 divided as follows:

Albania 5

Argentine 2

Belgium 21

Brazil 1

Burkina Faso 181

Canada 1

Czechoslovakia 109

Eireland 1

France 3

Germany 1

Great Britain 2

Greece 1

Hungary 73

Israel 1

Italy 2,728

Ivory Coast 6

Jugoslavia 29

Liberia 1

Luxembourg 1

Mali 1

Poland 2

Portugal 11

Rymania 88

Senegal 2

Spain 5

Suviet Union 404

United States 4

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Totale: 3,690