Region
United States
91
Canada
6
Japan
5
China
3
Europe
3
Germany
3
OECD countries
3
Québec (Province)
3
Africa, Sub-Saharan
2
Allemagne
2
Asia
2
Australia
2
Chile
2
Developing countries
2
France
2
Israel
2
Ohio
2
Ontario
2
Québec
2
South Africa
2
Yunnan Sheng
2
Boston
1
Brazil
1
Cameroon
1
Chicago
1
Costa Rica
1
England
1
European Economic Community countries
1
European Union countries
1
Ghana
1
Great Britain
1
Guatemala
1
Illinois
1
Massachusetts
1
Michigan
1
Mongolia
1
Montréal
1
Nevada
1
Northern Territory
1
Norway
1
Peru
1
Philippines
1
Saskatchewan
1
Shanghai
1
Sierra Leone
1
Slovakia
1
Spain
1
Sweden
1
São Paulo (State)
1
Tunisia
1
more ...