Region
United States
17
Congo (Democratic Republic)
15
Egypt
4
Arab countries
2
Developing countries
2
Europe, Eastern
2
Mexico
2
Tunisia
2
Africa
1
Asia
1
Belgium
1
Brazil
1
Brussels
1
Burma
1
Cambodia
1
Chiapas
1
China
1
Developed countries
1
Europe, Western
1
European Union countries
1
Former communist countries
1
Great Britain
1
Hong Kong
1
Hong Kong (China)
1
Iran
1
Middle East
1
Nepal
1
Northern Ireland
1
Russia (Federation)
1
South Africa
1
South Sudan
1
Southern States
1
Soviet Union
1
Vietnam (Democratic Republic)
1
Western countries
1
Zambia
1