Region
Mexico
5
United States
5
China
4
Brazil
3
Asia
2
Developing countries
2
Europe, Eastern
2
India
2
Nicaragua
2
Afghanistan
1
Africa, West
1
Algeria
1
Amazon River Region
1
Asia, Central
1
Baja California (Mexico : Peninsula)
1
Baja California (Peninsula)
1
Brazil, North
1
Colorado
1
Europe, Central
1
Guatemala
1
Indonesia
1
Kazakhstan
1
Lagos de Moreno
1
Latin America
1
Mexican-American Border Region
1
Paraná (State)
1
Pará (State)
1
Peru
1
Philippines
1
Romania
1
Shih-li-tien (Hopeh)
1
Turkey
1
Ukraine
1
Utah
1
Vietnam (Democratic Republic)
1
Zimbabwe
1