| Value | Category | Cases | |
|---|---|---|---|
| 1 | Decreased by less than half of the usual income | 28 |
22.6%
|
| 2 | Decreased by about half of the usual income | 50 |
40.3%
|
| 3 | Decreased by more than half of the usual income | 46 |
37.1%
|
| Sysmiss | 1681 |