Región
China
30
United States
26
Europe
18
Africa
13
Developing countries
13
Great Britain
13
India
11
Southeast Asia
10
Asia
8
Soviet Union
8
East Asia
7
Turkey
7
European Union countries
6
Ireland
6
Russia (Federation)
6
England
5
Japan
5
Latin America
5
Middle East
5
Asia, Central
4
Egypt
4
Europe, Eastern
4
Indonesia
4
Caribbean Area
3
Former communist countries
3
Germany
3
Iran
3
Korea (South)
3
London (England)
3
Mediterranean Region
3
Nigeria
3
Russia
3
Zambia
3
Andhra Pradesh
2
Cambodia
2
Congo (Democratic Republic)
2
France
2
Ghana
2
Greece
2
Hong Kong
2
Hong Kong (China)
2
Italy
2
London
2
Mexico
2
Pacific Area
2
South Africa
2
South Asia
2
Africa, Eastern
1
Andhra Pradesh (India)
1
Arabian Peninsula
1
más ...