| Value | Category |
|---|---|
| 0 | |
| 1 | Proprietary (Male) |
| 2 | Proprietary(Female) |
| 3 | Partnership with members of the same household |
| 4 | Partnership between members not all from the same household |
| 5 | Co-operative society |
| 6 | Limited company (outside public sector) |
| 7 | |
| 9 | Others |
| Sysmiss |