- Year 2011
- Country Vietnam
-
- Any
- Afghanistan 16
- Africa 7
- Algeria 2
- Angola 2
- Argentina 1
- Australia 33
- Austria 5
- Azerbaijan 1
- Bahrain 1
- Balkans 2
- Bangladesh 3
- Belarus 2
- Belgium 4
- Benin 1
- Bermuda 1
- Bhutan 1
- Bolivia 3
- Borneo 1
- Bosnia and Herzegovina 6
- Brazil 15
- Bulgaria 2
- Burkina Faso 2
- Burundi 2
- Cambodia 6
- Cameroon 1
- Canada 13
- Chechnya 1
- Chile 4
- China 16
- Colombia 3
- DRC 3
- Cote D'Ivoire 1
- Croatia 3
- Cuba 5
- Czech Republic 5
- Denmark 6
- Eastern Europe 3
- Egypt 6
- El Salvador 3
- Ethiopia 7
- Europe 3
- Finland 4
- France 9
- Georgia 1
- Germany 10
- Greece 1
- Greenland 1
- Guatemala 2
- Guinea-Bissau 1
- Haiti 2
- Hong Kong 1
- Hungary 3
- India 38
- Indonesia 4
- Iran, Islamic Republic of 9
- Iraq 19
- Ireland 4
- Israel/Palestine 45
- Italy 6
- Japan 10
- Jordan 3
- Kazakhstan 1
- Kenya 6
- North Korea 8
- Kosovo 1
- Kyrgyzstan 2
- Lebanon 4
- Liberia 2
- Libyan Arab Jamahiriya 5
- Lithuania 3
- Malawi 1
- Mali 2
- Malta 1
- Mauritania 1
- Mexico 2
- Mongolia 2
- Morocco 3
- Mozambique 1
- Myanmar 2
- Nepal 6
- Netherlands 15
- New Zealand 6
- Nicaragua 3
- Niger 1
- Nigeria 2
- Norway 5
- Pacific 2
- Pakistan 8
- Papua New Guinea 1
- Peru 3
- Poland 5
- Qatar 2
- Romania 2
- Russian Federation 22
- Rwanda 1
- Saudi Arabia 1
- Senegal 2
- Serbia 5
- Sierra Leone 2
- Slovakia 1
- Slovenia 2
- Solomon Islands 1
- Somalia 3
- South Africa 30
- Spain 3
- Sri Lanka 1
- Sudan 10
- Sweden 6
- Switzerland 5
- Syrian Arab Republic 9
- Tanzania 4
- Tibet 5
- Timor-Leste 5
- Togo 1
- Turkey 5
- Uganda 4
- Ukraine 21
- United Kingdom 46
- United States 174
- Uzbekistan 1
- Venezuela 2
- Vietnam 1
- World 75
- Yemen 2
- Zimbabwe 5