| Value | Category |
|---|---|
| 1 | paid employment |
| 2 | work on own agricultural holding |
| 3 | work in own business outside private agriculture |
| 4 | retirement pay |
| 5 | disability pension |
| 6 | unemployment benefit |
| 7 | pre-retirement allowance |
| 8 | other social allowance |
| 9 | other non-earning source |
| 10 | provided for by other person |
| Sysmiss |