for 1991 were 3085 divided as follows:

Albania 4

Argentine 2

Belgium 20

Burkina Faso 51

Canada 1

Czechoslovakia 77

France 2

Germany 1

Great Britain 1

Greece 1

Hungary 57

Italy 2,567

Ivory Coast 3

Jugoslavia 20

Luxembourg 1

Poland 1

Portugal 7

Rymania 39

Spain 4

Suviet Union 223

United States 3

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Totale: 3,085