| Value | Category |
|---|---|
| 0 | Did not work |
| 1 | Prof., Tech., Manag. |
| 2 | Clerical |
| 3 | Sales |
| 4 | Agric-self employed |
| 5 | Agric-employee |
| 6 | Household & domestic |
| 7 | Services |
| 8 | Skilled manual |
| 9 | Unskilled manual |
| 96 | Other |
| 97 | None (workers not reporting any occupation, including housewives, students, unemployed and retired) |
| 98 | Don't know |