for 1991 were 4240 divided as follows:

96

Albania 5

Argentina 2

Belgium 21

Brazil 4

Burkina Faso 255

Canada 1

Czechoslovakia 122

Esthonia 2

France 9

Great Britain 2

Greece 1

Hungary 74

Israel 1

Italy 2,820

Ivory Coast 6

Latvia 10

Lithuania 2

Luxemburg 1

Mali 1

Poland 2

Portugal 11

Republic of Ireland 1

Romania 112

Senegal 2

Slovenia 7

Spain 11

Switzerland 1

USSR 645

United States of Ame 4

West Germany 1

Yugoslavia 8

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Total: 4,240