Region
Australia
2
Brazil
4
California
2
Canada
2
China
1
Colombia
3
Croatia
2
Developing countries
2
Eastern Europe
1
Europe
1
Europe, Eastern
1
États-Unis
5
Grande-Bretagne
1
Great Britain
1
India
1
Latin America
2
Latvia
1
Pakistan
1
Russia
1
South Africa
1
Spain
2
Taiwan
1
Turkey
2
USA
1
United States
8