Region
United States
95
European Union countries
5
Japan
5
European Economic Community countries
4
Mexico
3
Canada
2
Germany (West)
2
Minnesota
2
Africa, Sub-Saharan
1
China
1
Colombia
1
Colorado
1
Costa Rica
1
East Asia
1
Europe
1
Germany
1
Haiti
1
Iowa
1
Kazakhstan
1
Latin America
1
Malaysia
1
Maryland
1
Montana
1
North America
1
Northeastern States
1
Russia (Federation)
1
Singapore
1
Taiwan
1