Oblast
United States
40
Spain
26
Canada
23
Colombia
22
Europe
20
Latin America
20
Mexico
20
Developing countries
19
États-Unis
17
Brazil
14
Australia
13
Eastern Europe
13
Europe, Eastern
13
Peru
13
China
12
España
11
Chile
10
Africa
9
Argentina
9
Colorado
8
Great Britain
8
India
8
East Asia
7
Middle East
7
Pakistan
7
Pays en voie de développement
7
Russia (Federation)
7
Southern States
7
Asia
6
Central Europe
6
Croatia
6
Europe, Central
6
Indonesia
6
Italy
6
OECD countries
6
Poland
6
Arizona
5
France
5
Germany
5
Kentucky
5
México
5
New York (State)
5
North Carolina
5
Norway
5
Perú
5
Texas
5
Europa
4
Finland
4
Illinois
4
Korea (South)
4
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