| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 109 |
17.4%
|
| 2 | the same as usual | 215 |
34.2%
|
| 3 | less than usual | 283 |
45.1%
|
| 4 | no income | 21 |
3.3%
|
| Sysmiss | 2254 |