| Value | Category | Cases | |
|---|---|---|---|
| 1 | up to 2 weeks | 31 |
55.4%
|
| 2 | up to 1 month | 9 |
16.1%
|
| 3 | 1 month | 1 |
1.8%
|
| 4 | More than one month | 15 |
26.8%
|
| Sysmiss | 18440 |