- Afghanistan (1)
- Armenia (3)
- Australia (2)
- Austria (1)
- Bhutan (1)
- Bolivia (1)
- Brazil (4)
- Bulgaria (2)
- Cameroon (1)
- Cape Verde (1)
- Chile (2)
- China (23)
- Costa Rica (2)
- Czech Republic (1)
- Denmark (3)
- Ecuador (1)
- Egypt (1)
- Estonia (2)
- Ethiopia (1)
- Finland (2)
- France (4)
- Germany (5)
- Ghana (2)
- Hong Kong (3)
- Iceland (1)
- India (4)
- Indonesia (3)
- Ireland (1)
- Israel (2)
- Italy (4)
- Japan (5)
- Jordan (3)
- Kazakhstan (1)
- Kenya (2)
- Lebanon (3)
- Liechtenstein (2)
- Lithuania (1)
- Macedonia (1)
- Malaysia (2)
- Mali (1)
- Mauritius (1)
- Mexico (2)
- Mongolia (4)
- Netherlands (4)
- Nigeria (7)
- Norway (2)
- Oman (1)
- Pakistan (1)
- Palestinian Territories (1)
- Panama (1)
- Paraguay (2)
- Peru (1)
- Philippines (1)
- Poland (4)
- Qatar (1)
- Russia (4)
- Saudi Arabia (1)
- Senegal (1)
- Sierra Leone (1)
- Somalia (1)
- South Korea (3)
- Spain (7)
- Sri Lanka (1)
- Sweden (4)
- Switzerland (3)
- Tanzania (1)
- Thailand (2)
- Tibet (1)
- Tunisia (2)
- Turkey (2)
- Ukraine (2)
- United Kingdom (5)
- United States (31)
- Uruguay (1)
- Various (17)
- Various countries (7)
- Venezuela (1)
- Vietnam (2)
- Yemen (1)
- multinational (7)
