Región
Mexico
12
México
8
Developing countries
6
Perú
5
Latin America
4
Peru
4
América Latina
3
China
2
Colombia
2
Cuba
2
Ecuador
2
España
2
France
2
India
2
Spain
2
Angola
1
Argentina
1
East Asia
1
Italia
1
Italy
1
Kerala
1
Paraguay
1
Philippines
1
Pomatambo
1
Southeast Asia
1
Soviet Union
1
Thailand
1
Uruguay
1
Venezuela
1