Region
Japan --
28
Japan
17
Asia, Southeastern
5
Asia, Southeastern --
4
United States
4
China
3
China --
3
East Asia
3
United States --
3
East Asia --
2
Asia, Southeastern - --
1
Australia
1
Australia --
1
East Asia - --
1
Great Britain
1
Great Britain --
1
Japan - --
1
Korea (North)
1
Korea (North) --
1
United states --
1
World politics --
1