| Value | Category |
|---|---|
| 1 | Apprenticeship |
| 2 | Farming or hunting or fishing at own account |
| 3 | Salaried labour or labour paid in kind |
| 4 | Run a non-farm business |
| 5 | Help in any kind of non-farm business |
| 2147483622 | Don't know |
| 2147483623 | Refused to respond |
| 2147483647 | Not administered |
| 11 | .Z |