Region
United States
Mexico
48
Colombia
15
El Salvador
12
Guatemala
12
Peru
12
Argentina
10
Chile
10
Ecuador
9
Panama
9
Spain
9
Dominican Republic
8
Honduras
8
Cuba
7
Bolivia
6
Costa Rica
5
Uruguay
5
Nicaragua
4
Equatorial Guinea
3
Outer space
3
Canada
2
Colorado River (Colo.-Mexico)
1
Florida, Straits of
1
Mexican-American Border Region
1
Mexico, Gulf of
1
Paraguay
1
Western Hemisphere
1