Regió
Canada
6
OECD countries
4
Spain
4
Europe
3
France
3
Romania
2
Africa
1
Afrique
1
Algeria
1
Azerbaijan
1
Belgium
1
Brazil
1
Chile
1
China
1
Colombia
1
Developing countries
1
Eastern Europe
1
España
1
Europe de l'Est
1
Europe, Eastern
1
Germany
1
Hungary
1
Pays en voie de développement
1
Poland
1
Portugal
1
Roumanie
1
Saudi Arabia
1
Scandinavia
1
Seoul (Korea)
1
Vietnam
1