Oblast
Africa
4
Africa, North
1
Asia
2
Caribbean Area
1
China
7
East Asia
6
Europe
2
Europe, Central
1
Europe, Eastern
1
European Union countries
6
Germany
1
Germany (West)
1
Great Britain
1
India
3
Japan
3
Latin America
4
Middle East
2
Pacific Area
2
Poland
1
Russian Far East (Russia)
1
Silk Road
1
South Africa
1
Soviet Union
1
United States
5