| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 7 |
21.9%
|
| 2 | Weeks | 3 |
9.4%
|
| 3 | Month | 19 |
59.4%
|
| 4 | Year | 3 |
9.4%
|
| Sysmiss | 710 |