- Year 2020
- Country Cameroon
-
- Any
- Afghanistan 2
- Africa 2
- Antarctica 3
- Arctic 1
- Argentina 2
- Australia 18
- Belarus 1
- Belgium 1
- Bolivia 3
- Brazil 6
- Burkina Faso 2
- Cambodia 3
- Cameroon 2
- Canada 7
- Chechnya 1
- Chile 3
- China 11
- Congo 1
- DRC 2
- Cuba 2
- Cyprus 1
- Czech Republic 1
- Denmark 3
- Djibouti 1
- Dominican Republic 1
- Eastern Europe 2
- Egypt 3
- Estonia 1
- Ethiopia 1
- Europe 2
- France 1
- Ghana 5
- Greece 1
- Haiti 1
- Hong Kong 1
- Iceland 1
- India 7
- Indonesia 4
- Iran, Islamic Republic of 4
- Iraq 2
- Ireland 2
- Israel/Palestine 5
- Italy 2
- Jamaica 1
- Japan 4
- Kenya 1
- South Korea 2
- Liberia 1
- Libyan Arab Jamahiriya 1
- Malawi 1
- Maldives 1
- Mali 1
- Marshall Islands 2
- Mauritania 1
- Mexico 1
- Morocco 1
- Mozambique 1
- Nepal 1
- Netherlands 6
- New Zealand 3
- Nicaragua 1
- Nigeria 2
- Norway 5
- Pacific 1
- Pakistan 7
- Panama 1
- Papua New Guinea 3
- Peru 1
- Philippines 2
- Poland 2
- Portugal 1
- Qatar 1
- Russian Federation 5
- Saudi Arabia 1
- Senegal 3
- Sierra Leone 2
- Singapore 1
- Somalia 1
- South Africa 6
- Spain 6
- Sudan 3
- Sweden 4
- Switzerland 6
- Syrian Arab Republic 2
- Tanzania 2
- Thailand 3
- Tibet 1
- Tunisia 1
- Turkey 1
- Turkmenistan 1
- Tuvalu 1
- Uganda 2
- Ukraine 2
- United Kingdom 11
- United States 47
- Uruguay 1
- Venezuela 1
- Vietnam 1
- Western Sahara 1
- World 56
- Zimbabwe 1