| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 52 |
10.6%
|
| 2 | the same as usual | 206 |
42.1%
|
| 3 | less than usual | 200 |
40.9%
|
| 4 | no income | 31 |
6.3%
|
| Sysmiss | 2393 |