- Czechoslovakia13,052
- Poland8,726
- Hungary5,717
- Yugoslavia4,593
- USSR4,076
- Germany (East)3,739
- Romania2,726
- Bulgaria2,381
- Albania1,996
- China1,169
- Soviet Union931
- Italy495
- Germany (West)278
- France247
- Germany242
- Spain162
- Austria150
- Vietnam141
- Lithuanian S.S.R.140
- Cuba96