| Value | Category | Cases | |
|---|---|---|---|
| 1 | higher than usual | 43 |
12.6%
|
| 2 | the same as usual | 176 |
51.5%
|
| 3 | less than usual | 95 |
27.8%
|
| 4 | no income/stop | 28 |
8.2%
|
| Sysmiss | 2161 |