| Value | Category | Cases | |
|---|---|---|---|
| 1 | Do not know | 33 |
82.5%
|
| 2 | Old age allowances | 2 |
5%
|
| 3 | Industry | 1 |
2.5%
|
| 4 | Agriculture | 4 |
10%
|
| Sysmiss | 5960 |