| Value | Category | Cases | |
|---|---|---|---|
| 1 | For a specified period of time | 169 |
8.8%
|
| 2 | Until the date a task is completed | 54 |
2.8%
|
| 3 | Permanent or until retirement | 862 |
44.7%
|
| 4 | Ongoing with no specified end date | 842 |
43.7%
|
| Sysmiss | 44912 |