- Year 1999
- Country Bhutan
-
- Any
- Afghanistan 4
- Africa 3
- Algeria 1
- Argentina 1
- Australia 32
- Bangladesh 1
- Bermuda 1
- Bhutan 1
- Bolivia 1
- Bosnia and Herzegovina 4
- Brazil 7
- Cambodia 4
- Cameroon 1
- Canada 6
- Chagos Islands 1
- Chile 1
- China 5
- Colombia 4
- Cuba 3
- Denmark 2
- Eastern Europe 3
- Egypt 1
- Ethiopia 2
- Europe 1
- Finland 1
- France 1
- Germany 5
- Guatemala 2
- India 4
- Indonesia 4
- Iran, Islamic Republic of 2
- Iraq 5
- Ireland 1
- Israel/Palestine 11
- Italy 5
- Kazakhstan 1
- Kenya 1
- North Korea 1
- Liberia 1
- Lithuania 1
- Morocco 1
- Myanmar 1
- Nepal 2
- Netherlands 2
- New Zealand 4
- Niger 1
- Nigeria 1
- Norway 1
- Pakistan 2
- Portugal 1
- Russian Federation 6
- Saudi Arabia 1
- Senegal 1
- Serbia 2
- Sierra Leone 1
- Slovakia 1
- Somalia 2
- South Africa 8
- Spain 1
- Sri Lanka 1
- Sudan 3
- Sweden 1
- Switzerland 2
- Syrian Arab Republic 4
- Tanzania 1
- Timor-Leste 3
- Tunisia 1
- Uganda 1
- Ukraine 4
- United Kingdom 18
- United States 37
- Venezuela 1
- Vietnam 1
- World 35
- Zimbabwe 1