- Czechoslovakia8,295
- Yugoslavia4,545
- Hungary4,308
- USSR4,076
- Poland3,256
- Romania1,407
- Germany (East)1,225
- China1,150
- Bulgaria1,098
- Albania1,058
- Italy463
- Soviet Union254
- France212
- Spain161
- Vietnam141
- Cuba94
- Lithuanian S.S.R.90
- Japan74
- Korea (North)71
- Austria68