Region
Alabama
2
Chicago
2
Chicago (Ill.)
1
Chile
1
Christchurch
1
Cuba
1
Detroit
1
Illinois
2
Michigan
1
Mississippi
3
Montréal
1
Netherlands
1
New York
3
New York (N.Y.)
2
New York (State)
3
New Zealand
1
Nicaragua
1
Oregon
1
Québec
1
Rock Island Arsenal (Ill.)
1
Soviet Union
1
United States
38
Washington
1