Region
United States
Iran
14
Russia (Federation)
14
China
9
Ukraine
8
Afghanistan
6
Syria
6
Sudan
5
Belarus
4
Burma
4
Central African Republic
4
Colombia
4
Mali
4
Nicaragua
4
Somalia
4
Congo (Democratic Republic)
3
Ethiopia
3
Hong Kong
3
Hong Kong (China)
3
Iraq
3
Korea (North)
3
Lebanon
3
Libya
3
South Sudan
3
Turkey
3
Venezuela
3
Yemen (Republic)
3
Cuba
2
Australia
1
Balkan Peninsula
1
Burkina Faso
1
Burundi
1
California, Gulf of
1
Europe
1
European Union countries
1
Gabon
1
Great Britain
1
Guinea
1
Mexican-American Border Region
1
Mexico
1
Micronesia
1
Micronesia (Federated States)
1
Niger
1
Philippines
1
Qatar
1
South Africa
1
Uganda
1