Región
United States
43
Great Britain
20
European Union countries
10
Europe
6
China
5
Australia
4
England
4
Africa, Southern
2
Asia
2
Developing countries
2
Nigeria
2
Pacific Area
2
Wales
2
Africa
1
Africa, Eastern
1
América Latina
1
Cayman Islands
1
Colombia
1
España
1
Estonia
1
Germany
1
India
1
Israel
1
Latin America
1
Latvia
1
New York
1
New York (State)
1
North America
1
Outer space
1
Países de la Unión Europea
1
Poland
1
South China Sea
1
Spain
1
Spratly Islands
1