| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 45 |
4.3%
|
| 2 | the same as usual | 837 |
79.9%
|
| 3 | less than usual | 113 |
10.8%
|
| 4 | no income | 53 |
5.1%
|
| Sysmiss | 1772 |