| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher than usual | 581 |
38.9%
|
| 2 | The same as usual | 415 |
27.8%
|
| 3 | Less than usual | 430 |
28.8%
|
| 4 | No income | 68 |
4.6%
|
| Sysmiss | 4719 |