- Year 1970
- Country Bulgaria
-
- Any
- Afghanistan 29
- Africa 7
- Algeria 3
- Angola 4
- Antigua and Barbuda 1
- Arctic 1
- Argentina 1
- Argentina 4
- Australia 41
- Austria 3
- Azerbaijan 1
- Bahrain 1
- Balkans 2
- Bangladesh 3
- Belarus 3
- Belgium 5
- Benin 1
- Bermuda 1
- Bhutan 1
- Bolivia 3
- Borneo 2
- Bosnia and Herzegovina 7
- Botswana 3
- Brazil 12
- Bulgaria 2
- Burkina Faso 3
- Burundi 3
- Cambodia 6
- Cameroon 1
- Canada 11
- Chechnya 3
- Chile 6
- China 25
- Colombia 6
- DRC 4
- Cote D'Ivoire 1
- Croatia 4
- Cuba 6
- Cyprus 1
- Czech Republic 8
- Denmark 6
- Eastern Europe 3
- Egypt 7
- El Salvador 2
- Eritrea 1
- Ethiopia 5
- Europe 3
- Fiji 1
- Finland 3
- France 12
- Georgia 1
- Germany 15
- Gibraltar 1
- Greece 1
- Greenland 1
- Guatemala 2
- Guinea-Bissau 1
- Haiti 2
- Hong Kong 2
- Hungary 3
- India 47
- Indonesia 15
- Iran, Islamic Republic of 12
- Iraq 35
- Ireland 3
- Israel/Palestine 52
- Italy 10
- Japan 9
- Jordan 2
- Kazakhstan 2
- Kenya 6
- North Korea 10
- South Korea 1
- Kosovo 4
- Kyrgyzstan 2
- Lebanon 10
- Liberia 7
- Libyan Arab Jamahiriya 7
- Lithuania 3
- Madagascar 2
- Malawi 1
- Mali 3
- Malta 2
- Mauritania 1
- Mexico 3
- Mongolia 2
- Morocco 4
- Mozambique 2
- Myanmar 6
- Nepal 10
- Netherlands 10
- New Zealand 8
- Nicaragua 3
- Niger 1
- Nigeria 7
- Norway 5
- Pacific 1
- Pakistan 16
- Palestinian Territory, Occupied 1
- Papua New Guinea 9
- Peru 5
- Philippines 5
- Poland 4
- Portugal 3
- Qatar 3
- Romania 3
- Russian Federation 29
- Rwanda 3
- Saudi Arabia 2
- Senegal 2
- Serbia 6
- Sierra Leone 3
- Slovakia 2
- Slovenia 1
- Solomon Islands 2
- Somalia 5
- South Africa 60
- Spain 6
- Sri Lanka 4
- Sudan 21
- Sweden 7
- Switzerland 6
- Syrian Arab Republic 20
- Tanzania 3
- Thailand 3
- Tibet 7
- Timor-Leste 9
- Togo 1
- Tunisia 1
- Turkey 11
- Uganda 6
- Ukraine 15
- United Arab Emirates 3
- United Kingdom 76
- United States 153
- Uzbekistan 3
- Vanuatu 1
- Venezuela 1
- Vietnam 7
- Western Sahara 1
- World 94
- Yemen 5
- Zimbabwe 10