| Value | Category |
|---|---|
| -9 | Don't know |
| -7 | Legal skip |
| -6 | Unfinished questionnaire |
| -3 | Interviewer error |
| 1 | state administration (including military) |
| 2 | state-owned enterprise or joint state/private enterprise |
| 3 | paid public works |
| 4 | an individual |
| 5 | domestic private firm, including agricultural firm |
| 6 | foreign firm |
| 7 | cooperative firm |
| 8 | ngo, or international, political, humanitarian organization |
| 9 | other |
| Sysmiss |