Region
United States
Great Britain
273
Canada
181
Soviet Union
146
West (U.S.)
144
Europe
112
Japan
111
China
107
Southern States
104
Mexico
79
New York (State)
77
California
74
Latin America
70
Confederate States of America
66
America
60
North America
60
France
59
Vietnam
54
Germany
53
New York
51
Russia
46
Cuba
45
Washington (D.C.)
39
Massachusetts
35
Illinois
34
Virginia
33
England
29
Central America
28
Middle East
28
Southwest, New
27
Africa
26
Colorado
26
Asia
25
Developing countries
24
Pennsylvania
23
Italy
22
Israel
21
New York (N.Y.)
21
Philippines
21
Texas
21
East Asia
20
Asia, Eastern
19
Georgia
19
Alabama
17
Iran
17
Louisiana
17
India
16
Los Angeles
16
Missouri
16
New Mexico
16
more ...