| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 44 |
10.4%
|
| 2 | the same as usual | 274 |
64.5%
|
| 3 | less than usual | 100 |
23.5%
|
| 4 | no income | 7 |
1.6%
|
| Sysmiss | 2395 |