| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 36 |
5.9%
|
| 2 | the same as usual | 484 |
79.9%
|
| 3 | less than usual | 76 |
12.5%
|
| 4 | no income | 10 |
1.7%
|
| Sysmiss | 2214 |