Region
Japan --
640
Japan
545
United States
117
United States --
109
Asia
66
Asia --
61
China --
61
East Asia --
58
China
48
East Asia
43
Asia, Southeastern --
38
Asia, Southeastern
37
Pacific Area
24
Pacific Area --
23
Malaysia
20
Southeast Asia
18
Europe
16
Europe --
16
Korea (South)
13
Korea (South) --
13
Malaysia --
11
Southeast Asia --
11
Soviet Union --
10
Soviet Union
8
ASEAN countries
7
ASEAN countries --
7
Australia --
7
European Economic Community countries --
6
Foreign countries
6
India --
6
Indonesia
6
Singapore
6
Taiwan
6
United states --
6
Australia
5
Developing countries
5
Developing countries --
5
Hiroshima-shi (Japan) --
5
Indonesia --
5
Korea
5
Korea --
5
Taiwan --
5
Tokyo
5
ASEAN
4
Africa --
4
Germany
4
Great Britain
4
Great Britain --
4
India
4
Korea (North) --
4
more ...