Region
United States
47
Russia (Federation)
15
China
10
Europe
3
European Union countries
3
Pacific Area
3
Asia
2
Baltic States
2
Israel
2
Latin America
2
Middle East
2
Syria
2
Afghanistan
1
Africa
1
Asia, Central
1
Asia, Eastern
1
Caspian Sea
1
Caspian Sea Coast
1
Caspian Sea Region
1
Central African Republic
1
Chad
1
East Asia
1
Foreign countries
1
Georgia (Republic)
1
India
1
Indo-Pacific Region
1
Iraq
1
Korea (North)
1
Lebanon
1
South Africa
1
South China Sea
1
Spratly Islands
1
Taiwan
1
Western countries
1