| Value | Category |
|---|---|
| 0 | |
| 1 | proprietory(male) |
| 2 | proprietory(female) |
| 3 | partnership with members of the same household |
| 4 | partnership between members not all from the same household |
| 5 | co-operative society |
| 6 | public sector |
| 7 | limited company (outside public sector) |
| 8 | |
| 9 | others |