| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 33 |
4.5%
|
| 2 | the same as usual | 578 |
79.3%
|
| 3 | less than usual | 107 |
14.7%
|
| 4 | no income | 11 |
1.5%
|
| Sysmiss | 2091 |