Region
United States
39
Europe
8
Africa
4
Latin America
4
France
3
Southern States
3
Spain
3
China
2
Germany
2
Great Britain
2
America
1
Argentina
1
Asia
1
Cambridge
1
Canada
1
Caribbean Area
1
Developing countries
1
English-speaking countries
1
Foreign countries
1
India
1
Italy
1
Japan
1
Korea
1
Marshall (Minn.)
1
Massachusetts
1
Minnesota
1
New Caledonia
1
Russia
1
Russia (Federation)
1
Saint Vincent and the Grenadines
1
Soviet Union
1
West (U.S.)
1