| Value | Category | Cases | |
|---|---|---|---|
| 71 | Lao | 1 |
2.2%
|
| 72 | Campuchea | 7 |
15.2%
|
| 73 | Thailand | 0 |
0%
|
| 74 | China | 0 |
0%
|
| 75 | Hongkong | 2 |
4.3%
|
| 76 | Australia | 2 |
4.3%
|
| 77 | France | 2 |
4.3%
|
| 78 | Western Europe | 4 |
8.7%
|
| 79 | Old USSR | 8 |
17.4%
|
| 80 | Eastern Europe | 8 |
17.4%
|
| 81 | USA | 9 |
19.6%
|
| 82 | Canada | 1 |
2.2%
|
| 83 | Other | 2 |
4.3%
|
| Sysmiss | 2514 |