Region
Africa
1
Africa, East
1
Africa, Eastern
1
Africa, Southern
1
Africa, West
5
Asia
1
Asia, Central
1
Canada
1
China
12
Colombia
1
Cuba
2
Developing countries
1
East Asia
1
Egypt
2
El Salvador
2
England
1
Europe
14
European Union countries
1
Former Soviet republics
16
France
1
Germany
1
Great Britain
4
Great Lakes (North America)
1
Guatemala
2
Honduras
2
Indian Ocean Region
2
Iran
3
Iraq
30
Ireland
3
Israel
1
Italy
1
Japan
4
Jerewan
1
Korea (North)
4
Latin America
4
Liberia
1
Libya
1
London (England)
1
Middle East
9
Mozambique
1
Oceania
1
Outer space
3
Persian Gulf Region
1
Russia (Federation)
30
Sierra Leone
2
Sinai
1
South Asia
1
Soviet Union
20
Syria
1
United States
168