Àmbit geogràfic
Nigeria
6
North Carolina
6
United States
5
Louisiana
4
Indiana
3
Iowa
3
Alabama
2
Arkansas
2
Delaware
2
Illinois
2
Massachusetts
2
Michigan
2
Minnesota
2
Mississippi
2
Missouri
2
South Dakota
2
Tanzania
2
Tennessee
2
Virginia
2
Zanzibar
2
Antigua
1
Antigua and Barbuda
1
Arizona
1
Barbados
1
Boston
1
California
1
Confederate States of America
1
Georgia
1
Honduras
1
Idaho
1
Lesotho
1
Montana
1
New Hampshire
1
New Jersey
1
New Mexico
1
North Dakota
1
Ohio
1
Oregon
1
Pennsylvania
1
Puerto Rico
1
South Carolina
1
Swaziland
1
Uganda
1
Vermont
1
West Virginia
1
Wyoming
1
Zambia
1