| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher than usual | 15 |
5%
|
| 2 | The same as usual | 98 |
32.5%
|
| 3 | Less than usual | 150 |
49.7%
|
| 4 | No income | 39 |
12.9%
|
| Sysmiss | 1820 |