| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 33 |
8.5%
|
| 2 | the same as usual | 302 |
78.2%
|
| 3 | less than usual | 38 |
9.8%
|
| 4 | no income | 13 |
3.4%
|
| Sysmiss | 2434 |