- Year 1997
- Country Any
-
- Any
- Afghanistan 11
- Africa 2
- Albania 1
- Antarctica 1
- Arctic 1
- Argentina 4
- Asia 1
- Australia 6
- Azerbaijan 2
- Balkans 2
- Bangladesh 2
- Belarus 3
- Belgium 3
- Benin 2
- Bolivia 1
- Borneo 1
- Bosnia and Herzegovina 3
- Brazil 5
- Bulgaria 1
- Burkina Faso 1
- Burundi 1
- Cambodia 3
- Cameroon 3
- Canada 9
- Chechnya 1
- Chile 1
- China 12
- Colombia 3
- Congo 2
- Cote D'Ivoire 1
- Cuba 1
- Cyprus 3
- Czech Republic 1
- Denmark 3
- Djibouti 1
- Dominican Republic 1
- Ecuador 2
- Egypt 2
- El Salvador 2
- Estonia 4
- Ethiopia 3
- Europe 2
- Fiji 1
- Finland 3
- France 8
- Gambia 1
- Germany 5
- Ghana 1
- Gibraltar 1
- Greece 3
- Greenland 1
- Guatemala 2
- Haiti 5
- Honduras 1
- Hong Kong 2
- Hungary 2
- Iceland 2
- India 9
- Indonesia 2
- Iran, Islamic Republic of 3
- Iraq 12
- Ireland 5
- Israel/Palestine 11
- Italy 11
- Jamaica 1
- Japan 5
- Jordan 1
- Kenya 4
- South Korea 3
- Kyrgyzstan 1
- Lebanon 12
- Libyan Arab Jamahiriya 3
- Madagascar 1
- Malawi 2
- Malaysia 1
- Mali 1
- Marshall Islands 1
- Mexico 3
- Middle East 1
- Moldova 1
- Monaco 1
- Mongolia 2
- Mozambique 1
- Myanmar 4
- Netherlands 10
- New Zealand 2
- Nicaragua 1
- Nigeria 5
- North America 1
- North Macedonia 2
- Norway 1
- Oman 1
- Pakistan 4
- Palestinian Territory, Occupied 1
- Papua New Guinea 2
- Peru 3
- Philippines 3
- Poland 3
- Puerto Rico 2
- Romania 1
- Russian Federation 9
- Rwanda 4
- Saint Vincent and the Grenadines 1
- Senegal 2
- Serbia 1
- Sierra Leone 4
- Solomon Islands 1
- Somalia 1
- South Africa 8
- South Sudan 2
- Spain 4
- Sri Lanka 1
- Sudan 3
- Sweden 1
- Switzerland 14
- Syrian Arab Republic 9
- Tanzania 2
- Thailand 3
- Timor-Leste 1
- Togo 1
- Tunisia 3
- Turkey 2
- Uganda 5
- Ukraine 14
- United Kingdom 36
- United States 116
- Venezuela 2
- Vietnam 1
- Western Sahara 1
- World 14
- Yemen 1