| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Higher than usual | 39 |
47%
|
| 2 | 2. The same as usual | 24 |
28.9%
|
| 3 | 3. Less than usual | 19 |
22.9%
|
| 4 | 4. No income | 1 |
1.2%
|
| Sysmiss | 411 |