Region
United States
1,228
Europe
85
Soviet Union
82
China
64
Mexico
59
Canada
53
Latin America
53
Middle East
51
Nicaragua
46
Iraq
40
Great Britain
36
Iran
33
Developing countries
32
Vietnam
31
Cuba
30
Japan
30
Africa
27
Germany
27
Russia (Federation)
26
Middle East Region
24
India
23
Germany (West)
22
Pakistan
21
Afghanistan
19
France
19
Philippines
19
Taiwan
18
Israel
17
North America
17
Panama
17
Saint Lawrence Seaway
16
Turkey
16
Hungary
15
Central America
14
Colombia
14
Saint Lawrence River
14
Asia
13
Belgium
13
Haiti
13
Italy
13
Korea (North)
13
Communist countries
12
Egypt
11
Europe, Eastern
11
Spain
11
Switzerland
11
Denmark
10
Lebanon
10
Sudan
10
Australia
9
more ...