Region
United States
37
Canada
23
Colombia
16
États-Unis
16
Latin America
16
Developing countries
15
Europe
15
Australia
13
Eastern Europe
13
Europe, Eastern
13
Brazil
12
China
10
Africa
9
Chile
9
Mexico
9
Spain
9
Colorado
8
India
8
East Asia
7
Middle East
7
Pakistan
7
Russia (Federation)
7
Southern States
7
Argentina
6
Central Europe
6
Croatia
6
Europe, Central
6
Great Britain
6
Indonesia
6
Italy
6
OECD countries
6
Peru
6
Poland
6
Arizona
5
Asia
5
France
5
Germany
5
Kentucky
5
New York (State)
5
North Carolina
5
Norway
5
Pays en voie de développement
5
Texas
5
Finland
4
Illinois
4
Korea (South)
4
Michigan
4
Middle West
4
New England
4
New Jersey
4
more ...