for 1991 were 3130 divided as follows:

Albania 4

Argentine 2

Belgium 20

Brazil 1

Burkina Faso 51

Canada 1

Czechoslovakia 78

France 2

Germany 1

Great Britain 1

Greece 1

Hungary 58

Italy 2,582

Ivory Coast 3

Jugoslavia 20

Luxembourg 1

Poland 1

Portugal 7

Rymania 46

Spain 4

Suviet Union 243

United States 3

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Totale: 3,130