Regione
United States
71
Great Britain
15
Canada
12
Australia
11
Colombia
11
China
8
Spain
7
États-Unis
6
India
6
Europe
4
South Africa
4
Chile
3
Grande-Bretagne
3
Kazakhstan
3
OECD countries
3
Poland
3
Romania
3
Saudi Arabia
3
Colombie
2
Developing countries
2
Japan
2
Latin America
2
Medellín
2
New England
2
New Zealand
2
Pays en voie de développement
2
Portugal
2
USA
2
United Arab Emirates
2
AUSTRALIA
1
Afrique du Sud
1
America
1
Argentina
1
Arizona
1
Asia
1
Asia, Central
1
Bosnia and Hercegovina
1
Bulgaria
1
Burma
1
California
1
Cambodia
1
Central America
1
Chine
1
Civano (Tucson, Ariz.)
1
Croatia
1
Cuba
1
Denmark
1
Ebro River Watershed
1
Etats-Unis d'Amérique
1
Europe, Central
1
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