| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher than usual | 48 |
4.9%
|
| 2 | The same as usual | 199 |
20.3%
|
| 3 | Less than usual | 533 |
54.4%
|
| 4 | No income | 199 |
20.3%
|
| Sysmiss | 8469 |