Region
United States
384
Russia (Federation)
55
Canada
53
China
32
Great Britain
32
New York (State)
30
Massachusetts
26
Southern States
26
California
23
India
21
Italy
21
Illinois
20
Iowa
19
Soviet Union
19
France
18
North Carolina
18
Texas
18
Europe
17
Latin America
17
Michigan
17
Russia
17
Indiana
16
Maine
16
Arkansas
15
Japan
15
Ohio
15
Tennessee
15
Africa
14
Pennsylvania
14
America
13
Kansas
13
Nigeria
13
Germany
12
Oklahoma
12
Virginia
12
Brazil
11
Wisconsin
11
Colorado
10
Connecticut
10
Georgia
10
Kentucky
10
Minnesota
10
Florida
9
Indonesia
9
Louisiana
9
Missouri
9
Asia
8
Australia
8
Idaho
8
Maryland
8
more ...