Geographic Subject
Costa Rica
26
United States
19
Colombia
18
Chile
8
India
7
Ecuador
6
Mongolia
5
Argentina
4
Dominican Republic
3
Pakistan
3
Soviet Union
3
États-Unis
3
Brazil
2
Colombie
2
El Salvador
2
Indonesia
2
Mexico
2
Nepal
2
Tanzania
2
Thailand
2
Venezuela
2
7.150
1
Afghanistan
1
Asia, Southeastern
1
Bolivia
1
Cuba
1
Great Britain
1
Haiti
1
Honduras
1
Japan
1
Panama
1
Peru
1
Unión Soviética
1