| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 255 |
18.4%
|
| 2 | the same as usual | 435 |
31.4%
|
| 3 | less than usual | 318 |
22.9%
|
| 4 | no income | 378 |
27.3%
|
| Sysmiss | 1285 |