Region
Alaska
1
California
3
Chicago
1
Connecticut
1
Developing countries
1
Europe
2
France
3
Germany
3
Great Britain
4
Illinois
1
Israel
1
Massachusetts
2
Mississippi
1
New Haven
1
Rosebud Indian Reservation (S.D.)
2
South Dakota
2
Southern States
2
Sweden
2
Todd County (S.D.)
2
United States
225
Waltham
2
Washington (D.C.)
1