- Year 1990
- Country Italy
-
- Any
- Afghanistan 1
- Africa 1
- Albania 1
- Australia 5
- Austria 1
- Belgium 1
- Bhutan 1
- Borneo 1
- Brazil 4
- Cambodia 2
- Canada 3
- Chechnya 1
- Chile 1
- China 4
- Colombia 1
- Cuba 1
- Eastern Europe 1
- El Salvador 1
- Eritrea 1
- Ethiopia 1
- Europe 1
- Finland 2
- France 1
- Germany 2
- Haiti 1
- Hungary 1
- India 4
- Indonesia 2
- Iran, Islamic Republic of 2
- Iraq 6
- Ireland 2
- Israel/Palestine 4
- Italy 3
- Japan 4
- Kenya 2
- South Korea 3
- Kyrgyzstan 2
- Lebanon 2
- Libyan Arab Jamahiriya 3
- Malaysia 2
- Morocco 1
- Nepal 2
- Netherlands 3
- New Zealand 3
- Niger 1
- Norway 1
- Pakistan 5
- Peru 2
- Poland 1
- Russian Federation 4
- Sierra Leone 1
- South Africa 7
- Spain 2
- Sri Lanka 1
- Sudan 3
- Sweden 1
- Switzerland 3
- Syrian Arab Republic 2
- Tanzania 2
- Thailand 3
- Tibet 1
- Turkey 1
- Uganda 3
- Ukraine 1
- United Arab Emirates 1
- United Kingdom 8
- United States 21
- Uzbekistan 1
- Venezuela 1
- World 8
- Zimbabwe 2