Region
United States
13
Australia
6
China
4
Colombia
4
États-Unis
4
Argentina
3
Asia
3
Developing countries
3
Great Britain
3
Latin America
3
OECD countries
3
Peru
3
Romania
3
Brazil
2
Canada
2
Europe
2
France
2
Germany
2
India
2
Italy
2
Korea (South)
2
Mexico
2
New Zealand
2
Russia (Federation)
2
Thailand
2
Venezuela
2
Vietnam
2
2
1
Algeria
1
Australie
1
Bahrain
1
Balkan Peninsula
1
Bangladesh
1
Cameroon
1
Chile
1
Colombie
1
Communist countries
1
Czechoslovakia
1
Eastern Europe
1
Egypt
1
Etats-Unis d'Amérique
1
Europe, Eastern
1
Ghana
1
Greece
1
Indonesia
1
Iran
1
Ireland
1
Japan
1
Kazakhstan
1
Malaysia
1
more ...