| Value | Category |
|---|---|
| 0 | Not working |
| 5 | Profession |
| 10 | Director or director's assistants |
| 15 | Administrative personnel |
| 20 | Commerce, vendors |
| 25 | Military, govt.services |
| 30 | Manual workers |
| 35 | Farming, forestry, fishing |
| 56 | Other activities not classified elsewhere |
| 57 | Profession not specified |
| 60 | Agriculture |