Region
Africa, Southern
1
Africa, West
1
Arab countries
1
Athens
2
Barbados
1
Boston
1
Canada
2
Central America
5
China
1
Colorado
1
England
1
English-speaking countries
3
Great Britain
5
Greece
4
India
1
Israel
1
Latin America
3
Massachusetts
2
Mexico
5
North America
2
North Carolina
1
Pennsylvania
2
Philadelphia
1
Québec (Province)
2
Salem
1
Salem (Mass.)
1
Spain
1
Sweden
1
United States
26
West Indies, British
2