Subject Region
United States
4,337
Russia (Federation)
66
France
63
Mexico
49
Washington (D.C.)
39
South Africa
32
Soviet Union
30
Florida
27
Great Britain
25
New York (State)
24
Illinois
22
Southern States
21
Virginia
21
Argentina
19
China
18
Brazil
17
Confederate States of America
17
Iran
17
Latin America
17
Canada
16
Indiana
16
Cuba
14
Ohio
14
Chile
12
Colombia
12
Taiwan
12
Venezuela
12
Egypt
11
Massachusetts
11
Yugoslavia
11
Burkina Faso
10
Vietnam
10
Europe
9
Germany
9
New York (N.Y.)
9
Texas
9
Ireland
8
Israel
8
Kentucky
8
New Jersey
8
Pennsylvania
8
Russia
8
Ukraine
8
Bolivia
7
California
7
Czechoslovakia
7
Indonesia
7
Middle East
7
Paraguay
7
Peru
7
more ...