Región
China
Japan
4
Soviet Union
4
Asia
3
East Asia
3
Latin America
3
Russia
3
Russia (Federation)
3
Taiwan
3
United States
3
América Latina
2
Tibet Autonomous Region
2
Africa
1
Angola
1
China, Southwest
1
Costa Rica
1
Ecuador
1
Europa
1
Europe
1
Foreign countries
1
Great Britain
1
Manchuria
1
Manchuria (China)
1
Pacific Area
1
Shandong Sheng (China)
1
Taiwán
1
Tibet
1
Tibet Autonomous Region (China)
1
Vietnam
1