| Value | Category | 
|---|---|
| 1 | Independent entrepreneur | 
| 3 | Farmer/dekhkan | 
| 4 | Specialist/employee with higher education | 
| 5 | Specialist/employee with secondary or secondary vocational | 
| 6 | Worker, works superintendent, team-leader | 
| 8 | Pupil, student | 
| 9 | Not working pensioner | 
| 10 | Housewife or was in maternity leave | 
| 11 | Unemployed | 
| 18 | Chauffeur | 
| 19 | Doctor | 
| 99 | DK/NR | 
| Sysmiss |