Region
China
48
Germany
19
Spain
10
Soviet Union
8
United States
6
Chine
5
Italy
4
France
2
Russia
2
Albania
1
Austria
1
Berlin (Germany)
1
Communist countries
1
Cuba
1
Estonia
1
Finland
1
Germany (East)
1
Great Britain
1
Guangzhou
1
Japan
1
Korea (North)
1
Paris
1
Sowjetunion
1
URSS
1
Ukraine
1
Yan'an Diqu
1